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  • Coleoptera
  • Lepidoptera
  • Springer  (26)
  • Annual Reviews
  • Nature Publishing Group
  • 2005-2009
  • 1990-1994
  • 1980-1984  (26)
  • 1980  (26)
Collection
Keywords
Publisher
  • Springer  (26)
  • Annual Reviews
  • Nature Publishing Group
Years
  • 2005-2009
  • 1990-1994
  • 1980-1984  (26)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Air permeation tests with orfralure for reduction in trap catch of oriental fruit moths (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 185-192 
    Details
    ISSN: 1573-1561
    Keywords: Oriental fruit moth ; orfralure ; sex pheromone ; traps ; air permeation with pheromone ; Lepidoptera ; Olethreutinae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Orfralure [93% (Z), 7% (E)-8-dodecen-1-ol acetate], the synthetic pheromone of the oriental fruit moth,Grapholitha molesta (Busck), was released into the air of orchard test plots either by hanging plastic laminated dispensers on trees or by aerial dispersal of microcapsules containing a solution of the lure. Trap catch was reduced 95% or more with the most effective formulations, but consistently higher reductions were produced by the dispensers. In tests as long as 28 weeks with dispensers, a single retreatment at midseason maintained an effective concentration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987537
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  • 2
    Electronic Resource
    Electronic Resource
    Multifunctionality of douglas-fir beetle pheromone 3,2-mch confirmed with solvent dibutyl phthalate (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 193-201 
    Details
    ISSN: 1573-1561
    Keywords: Coleoptera ; Scolytidae ; Dendroctonus pseudotsugae ; pheromone ; multifunctionality ; 3-methylcyclohex-2-en-l-one ; diluent ; dibutyl phthalate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Previous field and laboratory tests withDendroctonus pseudotsugae showing increased attractancy and chirp evocation by very low concentrations of the pheromone 3-methylcyclohex-2-en-1-one (3,2-MCH) dissolved in ethanol with known attractants were repeated with a different diluent, dibutyl phthalate (DBP). Other workers had speculated that the solvent ethanol was actually the synergist. Beetle response was essentially identical with both solvents, confirming the concentration-dependent multifunctionality of 3,2-MCH in Douglas-fir beetle behavior. Contradictions in available data with ethanol indicate unanswered questions about its effect withDendroctonus attractants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987538
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  • 3
    Electronic Resource
    Electronic Resource
    Responses of some olfactory receptors of the eastern tent caterpillar (Malacosoma americanum) to leaves (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 213-220 
    Details
    ISSN: 1573-1561
    Keywords: Olfactory receptors ; chemoreception ; Lepidoptera ; Lasio-campidae ; plant volatiles ; tent caterpillars ; Malacosoma americanum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Volatile constituents of leaves of acceptable and unacceptable plants evoke multiunit responses from the antennal olfactory sensilla of larvae of the eastern tent caterpillar. Electrophysiological investigation of the activities of three of the sixteen antennal olfactory receptors revealed that different combinations of the three responded to the various plants. In those instances where the same combination responded to more than one species of plant, the ratios of responses measured as frequency of action potentials were often different. Thus, discrimination of different plants theoretically could be based upon the absolute number of cells responding and/or the ratios of frequencies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987540
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  • 4
    Electronic Resource
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    Enantiomer-based specificity in pheromone communication by two sympatricGnathoirichus species (Coleoptera: Scolytidae) (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 445-456 
    Details
    ISSN: 1573-1561
    Keywords: Gnathotrichus retusus ; G. sulcatus ; Coleoptera ; Scolytidae ; ambrosia beetle ; aggregation pheromone ; 6-methyl-5-hepten-2-ol ; sulcatol ; reproductive isolation ; enantiomers ; chiral compounds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The aggregation pheromone ofGnathotrichus retusus was isolated and identified as (S)-(+)-sulcatol (6-methyl-5-hepten-2-ol). In laboratory and field experiments,G. retusus responded to (S)-(+)-sulcatol, but not to (±)-sulcatol, which was attractive to the sympatric species,G. sulcatus. G. sulcatus did not respond to optically pure (S)-(+)-sulcatol, but began to respond when ⩾ 1% (R)-(−)-sulcatol was present in an enantiomeric mixture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402921
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  • 5
    Electronic Resource
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    Sex pheromone of the armyworm,Pseudaletia unipuncta (Haworth) (Lepidoptera: Noctuidae) (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 565-572 
    Details
    ISSN: 1573-1561
    Keywords: Armyworm ; Mythimna unipuncta ; Pseudaletia unipuncta ; Leucania unipuncta ; Cirphis unipuncta ; Lepidoptera ; sex pheromone ; sex attractant ; (Z)-11-hexadecen-1-ol acetate ; (Z)-9-hexadecen-1-ol acetate ; hexadecan-1-ol acetate ; (Z)-11-hexadecen-1-ol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract (Z)-11-Hexadecen-1-ol acetate (Z11–16∶Ac) free of theE isomer (〈1%), hexadecan-1-ol acetate (16∶ Ac), and a hexadecen-1-ol [the (Z)-11 isomer based on the retention time on a Carbowax capillary column] were identified in extracts of the sex pheromone glands of adult virgin female armyworms,Pseudaletia unipuncta. Also, gas Chromatographic retention times on polar and nonpolar columns indicated the possible presence of (Z)-9-hexadecen-1-ol acetate (Z9–16∶Ac). The ratioZ11–16∶Ac/16∶Ac/Z11–16∶OH/Z9–16∶Ac was 1∶0.15∶0.13∶0.02. Infield testsZ11–16∶ Ac was attractive alone, and the addition ofZ9–16∶Ac,Zll–16 ∶ OH, or 16 ∶ Ac singly or in combination in ratios found in the gland did not increase trap capture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987668
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  • 6
    Electronic Resource
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    Estimating western pine beetle-caused tree mortality for evaluating an attractive pheromone treatment (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 853-866 
    Details
    ISSN: 1573-1561
    Keywords: Ponderosa pine mortality ; Dendroctonus brevicomis ; Coleoptera ; Scolytidae ; aerial photography ; detection ; estimation ; sampling ; mapping ; attractive pheromones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Sequential aerial photography was used to detect ponderosa pine trees killed by successive generations of the western pine beetle (WPB),Dendroctonus brevicomis Lec., over a three-year period during a study to evaluate the effectiveness of attractive pheromones for the suppression and survey of WPB. The total number of WPB-killed trees were estimated for each generation, using probability-proportional-to-size sampling procedures. Infested trees at the beginning of the suppression treatment totaled 283. Attacks by three successive WPB generations in 1970 killed 90,83, and 91 trees, respectively. The first generation in 1971 killed 47 trees and the two subsequent generations combined killed a total of 49 trees. During the suppression treatment, tree mortality was concentrated into the suppression plots in comparison to the check plots and the surrounding area. By 1972, tree mortality distribution returned to its original pattern, but at one-tenth the original level, as shown by maps. Recommendations suggest ways to improve the use of aerial photography for studies of WPB-caused tree mortality and population dynamics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990469
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  • 7
    Electronic Resource
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    Fine structure of the compound eyes and interfacetal mechanoreceptors of Cicindela tranquebarica Herbst (Coleoptera: Cicindelidae) (1980)
    Springer
    Cell & tissue research 206 (1980), S. 123-138 
    Details
    ISSN: 1432-0878
    Keywords: Ultrastructure ; Sense organs ; Compound eyes ; Interfacetal mechanoreceptor ; Coleoptera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The structure of the compound eyes of adult Cicindela tranquebarica Herbst was examined by use of light, scanning, and transmission electron microscopy. Each ommatidium of these photopic eyes is eucone and has a “subcorneal layer” situated between the corneal lens and crystalline cone. A distal rhabdomere consisting only of microvilli from retinula cell seven, a more proximal, rectangular, fused rhabdom formed from six retinula cells, and a basal, eighth retinula cell with a spherical rhabdomere comprise the light sensitive portions of the ommatidium. The “subcorneal layer” consists of lamellae of endocuticular microfibrils and, in surface view, shows 11 concave polygons. Proximal extensions of the crystalline thread form inter-retinular fibres containing microtubules between retinula cells 1/2, 3/4, 5/6, and 7/1. The primary pigment cells are devoid of pigment granules, but are rich in rough endoplasmic reticulum. Proximal to each retinula cell nucleus are two basal bodies, one perpendicular to the other. The more proximal basal body extends two fibrillar feet proximally which fuse to form a horizontally-banded ciliary rootlet extending the length of the retinula peripheral to the rhabdom. Each ommatidium is surrounded by 16 secondary pigment cells. Interfacetal mechanoreceptors between some adjacent lenses each have a single bipolar neuron, with a dendritic sheath, tubular body, cilium, outer and inner sheath cells, and an axon surrounded by a neurilemma sheath cell.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00233613
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  • 8
    Electronic Resource
    Electronic Resource
    Die digitiformen Sensillen auf dem Maxillarpalpus von Coleoptera (1980)
    Springer
    Protoplasma 103 (1980), S. 55-68 
    Details
    ISSN: 1615-6102
    Keywords: Coleoptera ; Digitiform sensilla ; Sensilla structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The digitiform sensilla on the distal segment of the maxillar palps ofAgabus bipustulatus (L.) andHydrobius fuscipes (L.) were investigated by electron microscopic methods. Each sensillum is innervated by a single bipolar sensory cell. The sensilla ofHydrobius are associated with three enveloping cells, which enclose an inner and outer receptor lymph cavity. A single enveloping cell only is found in the completely differentiated sensilla ofAgabus. These sensilla do not form an outer lymph cavity. The area beneath the hair base is filled by the distal process of the enveloping cell and by extensions of epidermal cells. Only one extra-cellular space exists, which seems to be homologous to an inner receptor lymph cavity. The outer dendritic segment surrounded by a dendritic sheath runs to the tip of the hair shaft. In the hair shaft the outer dendritic segment divides into several branches. The poreless hair shaft does not rise over the surface of the cuticle, but it is positioned in a narrow shallow groove. Special socket structures or a tubular body do not exist. The digiti-form sensilla possess neither the typical feature of mechanosensitive, nor gustatory or olfactory sensilla. The functional significance of the structural divergences in the sensilla of both species and the presumed function of the sensilla are discussed referring to hygro- and thermo-receptors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01276741
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  • 9
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    Optimized conditions for sex attractant trapping of male redbacked cutworm moths,Euxoa ochrogaster (Guenée) (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 585-591 
    Details
    ISSN: 1573-1561
    Keywords: Sex attractant ; trapping ; redbacked cutworm moth ; Euxoa ochrogaster ; Lepidoptera ; Noctuidae ; (Z)-5- and (Z)-7-dodecenyl acetates
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Mixtures of (Z)-5- and (Z)-7-dodecenyl acetates in ratios 〉100∶1 are powerful, specific sex attractants for redbacked cutworm male moths. Bioactive lures were produced by admixture of these pure compounds or through syntheses involving catalytic bond shifting. Best field trapping was obtained with 200∶1 (Z)-5∶(Z)-7 ratio, at lure doses (on rubber) of 0.1–2.0 mg, using cone swivel traps with 10- to 13-mm orifices, or Pherocon® 1-CP sticky traps, at a height of 50–90 cm. The pheromone traps were more efficient than large blacklight traps and captured the various morphological forms of the moth in similar ratios.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987670
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  • 10
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    Sex pheromone of the woodbine leafroller moth,Sparganothis sp. (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 797-804 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; Sparganothis ; Lepidoptera ; Tortricidae ; (E)-11-tetradecen-1-ol ; (Z)-11-tetradecen-1-ol ; (E)-11-tetradecen-1-ylacetate ; (Z)-11-tetradecen-1-ylacetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The sex pheromone of the woodbine leafroller,Sparganothis sp., includes (E)-11-tetradecen-1-ol, (Z)-11-tetradecen-1-ol, and (E)-11-tetradecen-1-yl acetate, based on chemical analysis of gland extracts, electroantennogram tests, and field trapping. Highest trap catches were obtained when these compounds were dispensed in the relative proportions observed in the female gland. (Z)-11-Tetradecen-1-yl acetate also was found in gland extracts, but significantly reduced trap catches. The saturated compounds tetradecan-1-ol and tetradecan-1-yl acetate were found in gland extracts as well, but were not tested. The amounts of these compounds per female gland were 127, 93, 17, 20, 25, and 3 ng, in the order named.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990404
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  • 11
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    Perception byTrogoderma species of chirality and methyl branching at a site far removed from a functional group in a pheromone component (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 911-917 
    Details
    ISSN: 1573-1561
    Keywords: Trogoderma species ; trogodermal ; enantiomers ; chiral center ; geometric isomers ; methyl branching ; (Z)- or (E)-14-methyl-8-hexadecenal ; dermestid beetles ; Coleoptera ; Dermestidae ; pheromone ; chemoreception ; olfaction ; (Z)-hexadecenal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Responses to enantiomers of (Z)- and (E)-trogodermal (14-methyl-8-hexadecenal) suggest that fourTrogoderma species utilize the (R)-(−) configuration at C-14. Removal of the C-14 methyl branch decreased the response. These results demonstrate the high specificity associated with the configuration at a chiral center, or the methyl branch, distant in terms of numbers of bonds from a functional group.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990475
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  • 12
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    Models for dispersal of vapors in open and confined spaces: Applications to sex pheromone trapping in a warehouse (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 929-950 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; attractance ; behavioral threshold ; Plodia interpunctella ; Indian meal moth ; Lepidoptera ; Pyralidae ; orientation ; chemical communication
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Methods are presented for mathematically determining dispersal of a vapor in still air, in turbulent air of zero average velocity, and in turbulent or laminar air currents of constant, nonzero average velocity. The methods are combined with several assumptions about insect behavior to derive an insect attraction model that predicts: (1) In a warehouse a searching insect is likely to be attracted to a calling insect if it comes within an attraction sphere, 0.4–2.5 m in radius. (2) The attraction spaces of typical sex pheromone-baited traps that emit pheromone at rates greater than 0.01 ng/sec extend beyond the boundaries of a 10 × 10 × 10-m warehouse. (3) The searching behavior of an attracted insect is likely to be altered from an extensive to an intensive pattern if it comes within an altered-behavior sphere, 6–60 cm from a calling insect or within 10 m of a trap emitting 0.76 ng/sec. (4) Pheromone does not sink unless it is emitted along with a large amount of a high-vapor pressure solvent. The model is used in support of several hypotheses, including: (1) The effect of an adsorptive surface on the vapor concentration after an extended period of emission is negligible except at positions near the surface. (2) Sex pheromone-baited traps with sources of small dimensions have greater trapping efficiency than otherwise identical traps with sources of large dimensions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990477
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  • 13
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    Influence of chemically mediated behavior on host tree colonization by four cohabiting species of bark beetles (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 395-414 
    Details
    ISSN: 1573-1561
    Keywords: Coleoptera ; Scolytidae ; bark beetle ; Dendrocionus ; Ips ; pheromone ; colonization ; attraction ; inhibition ; behavioral interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Chemically mediated behavioral interactions among four species of Scolytidae cohabitingPinus taeda in east Texas appear to be significant in delineating breeding areas within trees and in influencing the sequence of colonization.Dendroctonus frontalis usually arrived first and was not attracted to logs occupied by any of the threeIps species (I. avulsus, I. calligraphus, andI. grandicollis). The response ofI. avulsus to conspecific males was enhanced by the simultaneous presence of actively boring maleI. grandicollis. The response ofIps calligraphus was inhibited in areas whereI. avulsus was also present, but, in turn,I. calligraphus inhibited the response ofI. grandicollis and attractedI. avulsus. Ips grandicollis was strongly inhibited by the simultaneous presence of femaleD. frontalis or maleI. calligraphus, and in turn, maleI. grandicollis inhibitedD. frontalis. The result of this highly interactive olfactory system is that host trees are colonized very rapidly and that, in the process, disadvantageous reproductive interactions are minimized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402917
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  • 14
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    Identification of sex pheromone components of redbacked cutworm,Euxoa ochrogaster, and modification of sex attractant blend for adult males (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 573-584 
    Details
    ISSN: 1573-1561
    Keywords: Electroantennographic detector ; Euxoa ochrogaster ; Lepidoptera ; identification ; mass chromatograms ; mass spectrometry ; redbacked cutworm ; sex pheromone ; (Z)-5-dodecenyl acetate ; (Z)-7-dodecenyl acetate ; (Z)-9-dodecenyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Pheromone washes from calling female moths of redbacked cutworm,Euxoa ochrogaster (Guenée), contained the following acetates that are structurally similar to those of known lepidopteran pheromones (%): decanyl (8.7), dodecanyl (8.5), (E)-5-dodecenyl (3.3), (Z)-5-dodecenyl (76.4), (Z)-7-dodecenyl (3.1), and (Z)-9-dodecenyl (trace〈0.5%). This is the first time that (Z)-5-dodecenyl acetate has been identified as a pheromone component. Three types of specific receptor cells were found in the male antennae, and they responded to (Z)-5-decenyl acetate, (Z)-5- and (Z)-7-dodecenyl acetates, respectively. Strong electroantennographic detector responses were also recorded for these three acetates and for (Z)-5-undecenyl acetate. The evidence for the presence of (Z)-5-decenyl acetate in the pheromone washes was inconclusive. The presence of (Z)-7- and the absence of (Z)-8-dodecenyl acetates were confirmed by a special electroantennographic detector technique in which the detector antennae were from males of other species that were known to have strong responses to these acetates. This is a very useful technique. Field results show that low concentrations (0.1–1.3%) of (Z)-5-decenyl acetate were synergistic when tested in a previously reported blend, but 6% was inhibitory. Similarly, (Z)-7-dodecenyl acetate at 2% or less may be essential for the attraction of males, but in previous tests at 14% it also was inhibitory. Species-specific attractant blends for redbacked cutworm males are described.
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  • 15
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    Field responses of the western pine beetle1 and one of its predators to host- and beetle-produced compounds (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 625-641 
    Details
    ISSN: 1573-1561
    Keywords: Pinus ponderosa ; Dendroctonus brevicomis ; Temnochila chlorodia ; pheromone ; kairomone ; exo-bievicomm ; frontalin ; trans-ver-benol ; verbenone ; terpenes ; Coleoptera ; Scolytidae ; Trogositidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The responses of the western pine beetle (Dendroctonus brev-icomis LeConte) andTemnochila chlorodia (Mannerheim) to candidate attractants—exo- andendo-brevicomm, frontalin,trans-verbenol, ver-benone, and ponderosa pine turpentine and its major monoterpene components—were quantified by counts of beetles on traps baited with the various attractants, singly and in combinations released simultaneously. Combinations ofexo-brevicomin and frontalin plus a monoterpene or turpentine were the most attractive toD. brevicomis. The responses to these attractant combinations were reduced when verbenone plustrans-verbenol were present. All single compounds and binary mixtures, exceptexo-brevicomin plus frontalin, were much less attractive.exo-Brevicomin was most attractive toT. chlorodia, and this response appeared to decrease when verbenone plustrans-verbenol were present.
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    URL: http://dx.doi.org/10.1007/BF00987674
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  • 16
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    IPS pini: The basis for interpopulational differences in pheromone biology (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 677-687 
    Details
    ISSN: 1573-1561
    Keywords: Ips pini ; Coleoptera ; Scolytidae ; aggregation pheromone ; ipsdienol ; interpopulational variation ; hybrid ; genetic control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Ips pini from Idaho (ID) produce (−)-ipsdienol and respond to it in the laboratory.I. pini from New York (NY) produce (+) and (−)-ipsdienol in a 65∶35 ratio and respond much more strongly to the (+) than to the (−) enantiomer. Response byI. pini-ID to (−)-ipsdienol in the laboratory was inhibited by (+)-ipsdienol, while the field response byI. pini-NY was optimal to a 50:50 mixture of (+) and (−)-ipsdienol. This differential production and response to enantiomers of ipsdienol is sufficient to account for populational specificity observed in earlier experiments and confirmed by our current work. Reciprocal hybrids of the NY and IDI. pini populations did not differ in their patterns of attraction and response; those of both types of F1 were similar to NY beetles. Thus, it appears that (+)-ipsdienol is produced by the hybrids and is necessary for their maximum response, but this supposition was not tested. The genes controlling the pheromone biology ofI. pini are not sex linked. Since previous whole-antenna and single-cell electrophysiological data show that the receptor systems of the two populations are virtually identical, response behavior seems to be governed by the central nervous system rather than by the characteristics of the olfactory receptors.
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    URL: http://dx.doi.org/10.1007/BF00987678
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  • 17
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    Odor of a papilionid butterfly (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 867-873 
    Details
    ISSN: 1573-1561
    Keywords: Male scent ; Atrophaneura alcinous ; Lepidoptera ; Papilionidae ; benzaldehyde ; phenylacetaldehyde ; 2-phenylpropenal ; n-heptanal ; 6-methylhept-5-en-2-one ; linalool
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Benzaldehyde, phenylacetaldehyde (major component), 2-phenylpropenal,n-heptanal, 6-methylhept-5-en-2-one, and linalool were identified as compounds responsible for the male scent ofAtrophaneura alcinous alcinous. These substances were present predominantly in the wings, and the quantity of them was largest at the inner margin of the hind wing. Female wings also contained some of them in much smaller (except a few components) amounts. The relative proportion of each component exhibited manifests sexual differences.
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    URL: http://dx.doi.org/10.1007/BF00990470
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  • 18
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    Anemotactic response threshold of the Indian meal moth,Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae), to its sex pheromone (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 919-928 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; anemotaxis ; Plodia interpunctella ; Lepidoptera ; Pyralidae ; behavioral threshold ; behavioral alteration threshold ; (Z,E)-9,12-tetradecadien-1-ol acetate ; Indian meal moth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The effect of different concentrations of the sex pheromone (Z,E)-9,12-tetradecadien-1-ol acetate on the upwind anemotactic behavior of the malePlodia interpunctella (Hübner) was measured at 23 ± 1 ° C and 34 ± 1 ° C. The stimulus-response regression lines were analyzed by a new procedure that accounts both for control responses in the absence of pheromone and also for peak responses below 100% in the presence of concentrations considerably above the normal physiological levels. From the regression line for each temperature, the upwind anemotactic thresholds were calculated to be 1.34 × 106 molecules/cm3 at 23 ° C and 1.65 × 104 molecules/cm3 at 34 ° C, similar to other thresholds reported in the literature. Since departures from the two lines occurred at the highest concentrations tested, near 108 molecules/cm3, the upwind anemotactic behavior may change qualitatively above an altered-behavior threshold that is about two orders of magnitude higher than the upwind anemotactic threshold. The lower response at 23 ° C suggests that cool temperatures inhibit flight in response to pheromonal stimulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990476
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  • 19
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    Effects of verbenone andtrans-verbenol on the response ofDendroctonus brevicomis to natural and synthetic attractant in the field (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 997-1013 
    Details
    ISSN: 1573-1561
    Keywords: Pinus ponderosa ; Dendroctonus brevicomis ; verbenone ; trans-verbenol ; tree protection ; bark beetle ; pheromones ; interruptant ; Coleoptera ; Scolytidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Verbenone andtrans-verbenol were investigated as candidate interruptants for use as tree protectants. Verbenone andtrans-verbenol, pheromones released byDendroctonus brevicomis during host colonization, reduced the trap catch ofD. brevicomis near sources of the attractant composed ofexo-brevicomm, frontalin, and myrcene. Catch reduction at some trap positions was greater at a high release rate than at a low release rate oftrans-verbenol alone and of the combination of verbenone plustrans-verbenol. Verbenone also reduced catches at traps baited with attractive bolts from trees under attack byD. brevicomis. Attempts to use verbenone to protect living trees fromD. brevicomis attack were inconclusive.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994657
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  • 20
    Electronic Resource
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    Male scent-producing structures inColias butterflies (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 13-26 
    Details
    ISSN: 1573-1561
    Keywords: Butterfly ; Colias philodice ; chemical communication ; Lepidoptera ; Pieridae ; male scent ; courtship ; sex brands
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract During successful courtship in sulfur butterflies, virgin females respond to males by assuming a stationary posture and extending the abdomen ventrally from between the hindwings, thereby permitting copulation. In the clouded sulfur,Colias philodice Godard, this response was used in a laboratory bioassay to confirm the existence of a male chemical signal demonstrated by a previous worker and to document the signal's behavioral function and source. The male scent is shown to be required, in part, to reliably elicit abdominal extension and to be emitted from a patch of cells and scales associated with the dorsal surface of the male hind wing near the wing base. Experiments also show that evaporation of the signal is reduced when the source is covered by the forewing as it is at rest and in flight. These data, coupled with other information on male chemical signals in sulfur butterflies and other Lepidoptera, suggest that in sulfurs the morphology and chemistry of the scent glands along with the behavior of the male are structured in a way that minimizes the evaporative loss of scent from the wings when the male is not courting females.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987523
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  • 21
    Electronic Resource
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    Lesser peachtree borer: Influence of pheromone concentration, isomeric blend, and experimental design on trap capture (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 361-369 
    Details
    ISSN: 1573-1561
    Keywords: Sex attractant ; sex pheromone ; lesser peachtree borer ; field test design ; Synanthedon pictipes ; clearwing moths ; Lepidoptera ; Sesiidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Trap capture data from Ohio and Wisconsin show that (E,Z)-3-13-octadecadien-1-ol acetate alone is an effective trap bait for maleSynanthedon pictipes (Grote and Robinson). Attractiveness increased by increasing attractant concentration but not by adding theZ,E geometrical isomer.S. pictipes males partitioned themselves in a linear fashion among traps baited with 10–100 μg of attractant in 10-μg increments. Furthermore, they discriminated between 50- and 100-μg baits placed in the same tree. These and other results indicate that, in clearwing experiments involving noninhibitory compounds and blend tuning, high trap density can be used successfully.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402914
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  • 22
    Electronic Resource
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    Pharmacodynamics of some individual milkweed cardenolides fed to larvae of the monarch butterfly (Danaus plexippus L.) (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 321-339 
    Details
    ISSN: 1573-1561
    Keywords: Cardenolides ; monarch butterfly ; Danaus plexippus L. ; Lepidoptera ; Danaidae ; storage ; regulation ; metabolism ; uscharidin ; calactin ; calotropin ; uzarigenin ; digitoxigenin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Adult monarch butterflies,Danaus plexippus L. (Lepidoptera: Danaidae), store only some of the cardenolides present in the larval milkweed (Asclepiadaceae) host. Feeding known doses of individual cardenolides to 4th instar monarch larvae led to more efficient larval tissue incorporation at low doses than at high ones, and favored storage of cardenolide glycosides over genins. A qualitative regulation also occurs during larval feeding; calactin and calotropin were stored as such but uscharidin was rapidly converted to a mixture of calactin and calotropin which were the forms stored by the larvae. Two genins, uzarigenin and digitoxigenin, were stored by larvae as polar cardenolide metabolites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402911
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  • 23
    Electronic Resource
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    Estimation of single furniture carpet beetle (Anthrenus flavipes LeConte) sex pheromone release by dose-response curve and chromatographic analysis of pentafluorobenzyl derivative of (Z)-3-decenoic acid (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 597-607 
    Details
    ISSN: 1573-1561
    Keywords: Furniture carpet beetle ; Anthrenus flavipes ; Coleoptera ; dermestid beetle ; sex pheromone ; (Z)-3-decenoic acid ; aeration apparatus ; Tenax ; gas chromatography ; pentafluorobenzyl bromide ; pheromone release rate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A single-insect aeration apparatus was designed for the study of the pheromone release rate of furniture carpet beetlesAnthrenus flavipes LeConte. Tenax® was selected as the pheromone adsorption agent. The quantity of (Z)-3-decenoic acid (A. flavipes female pheromone) produced per day was estimated by a dose-response curve and bioassay of the collected pheromone. A procedure was established to quantitatively determine the furniture carpet beetle pheromone involving pentafluoro-benzylation of (Z)-3-decenoic acid and subsequent gas chromatographic analysis utilizing flame-ionization and electron-capture detectors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987672
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  • 24
    Electronic Resource
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    A trail pheromone from silk produced by larvae of the range caterpillarHemileuca oliviae (Lepidoptera: Saturniidae) and observations on aggregation behavior (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 655-664 
    Details
    ISSN: 1573-1561
    Keywords: Range caterpillar ; Hemileuca oliviae ; Lepidoptera ; Saturniidae ; trail pheromone ; aggregation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Methylene chloride-extractable chemical(s) from range caterpillar larval silk facilitates trail-following and aggregation by early-instar larvae, but late-instar larvae are less responsive to the pheromone. Larval aggregation does not reduce water loss when larvae are exposed to low humidity, nor does aggregation prevent predation by the antFormica neoclara Emery. Grouped larvae gain weight and complete early stadia more rapidly as compared to solitary larvae. Aggregation may provide increased visibility to herbivores and increase the impact of urticating spines, thereby decreasing inadvertant predation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987676
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  • 25
    Electronic Resource
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    Dodecyl acetate, a second pheromone component of the cabbage looper moth,Trichoplusia ni (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 727-734 
    Details
    ISSN: 1573-1561
    Keywords: Dodecyl acetate ; sex pheromone ; Trichoplusia ni ; Lepidoptera ; Noctuidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Dodecyl acetate was identified as a second component of the sex pheromone ofTrichoplusia ni (Hübner). Dodecyl acetate comprised 9.6% by weight of the total pheromone [(Z)-7-dodecenyl acetate plus dodecyl acetate] extracted from glands and 7.3% by weight of the total pheromone evaporated from the surfaces of glands. Dodecyl acetate appears to function as a short-range pheromone component. Evaporation at female release rates of a 10∶90 mixture of dodecyl acetate and (Z)-7-dodecenyl acetate in the field caused a significantly greater percentage of males to land on the pheromone source, increased significantly the time they spent on the source, but decreased significantly the time they spent searching for the source when within 50 cm, as compared to (Z)-7-dodecenyl acetate alone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990397
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  • 26
    Electronic Resource
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    Selection of a polyethylene tubing formulation of (Z)-9-tetradecen-1-ol formate and its use in disrupting pheromone communication inHeliothis zea (Boddie) (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 771-779 
    Details
    ISSN: 1573-1561
    Keywords: Release rate ; polyethylene ; formulations ; controlled release ; (Z)-9-tetradecen-1-ol formate ; Heliothis zea ; Lepidoptera ; Noctuidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The release rates of (Z)-9-tetradecen-1-ol formate (Z9TDF) from four sizes of polyethylene tubing were measured periodically for 50 days by collecting the Z9TDF vapors on a polymeric adsorbent. The resulting release rate curves had shapes that were determined by the tubing's diameter and wall thickness. One tubing size that combined good longevity with adequately high release rates was tested in the field to determine whether it could disrupt pheromone communication of the corn earworm,Heliothis zea (Boddie). We observed a low percentage of disruption, but release rate measurements made concurrently showed that the tubing was releasing Z9TDF normally. In a second field test, a larger quantity of Z9TDF was released, and 87% disruption was attained for 66 days.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990401
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