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  • 1
    Electronic Resource
    Electronic Resource
    Biosynthesis of a monoene and a conjugated diene sex pheromone component of the lightbrown apple moth by Δ11 desaturation (1990)
    Springer
    Cellular and molecular life sciences 46 (1990), S. 269-273 
    Details
    ISSN: 1420-9071
    Keywords: Sex pheromone ; biosynthesis ; Lepidoptera ; Epiphyas postvittana ; deuterium-labelling ; (E)-11-tetradecenyl acetate ; (E,E)-9,11-tetradecadienyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Fatty acyl moieties present in the female sex pheromone gland of the lightbrown apple moth,Epiphyas postvittana, include the analogues of the two sex pheromone components, (E)-11-tetradecenyl acetate and (E,E)-9,11-tetradecadienyl acetate. Application of deuterium-labelled fatty acids followed by analysis by gas chromatographymass spectrometry showed that biosynthesis of the two pheromone components involved initial Δ11-desaturation of myristic and palmitic acids respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951762
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  • 2
    Electronic Resource
    Electronic Resource
    Specificity of male response to multicomponent pheromones in noctuid mothsTrichoplusia ni andPseudoplusia includens (1988)
    Springer
    Journal of chemical ecology 14 (1988), S. 47-57 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; Lepidoptera ; Noctuidae ; Pseudoplusia includens ; Trichoplusia ni ; multicomponent pheromone blends ; sustained-flight tunnel ; behavioral thresholds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The response of male cabbage looper (CL) and soybean iooper (SBL) moths was observed in the flight tunnel and measured in field tests to the six-component CL pheromone, the five-component SBL pheromone, and toZ7–12: OAc, the major component common to each pheromone. In both the flight tunnel and the field, male CL exhibited significantly greater levels of response to their six-component blend than toZ7–12: OAc alone. A low level of cross-attraction of male CL to the SBL pheromone was observed in both the flight tunnel and the field, but it was quantitatively and qualitatively similar to their response toZ7–12: OAc alone. Thus the minor components of the SBL blend did not appear to disrupt the flight behavior of male CL. With respect to SBL, in the flight tunnel males also exhibited a greater level of response to the five-component blend compared toZ7–12: OAc, but in the field their response was not significantly different to either treatment. There was also a low level of cross-attraction of male SBL to the CL blend, but this appeared to involve a significant arrestment effect on the upwind flight of males, as well as a difference in male sensitivity to the blend of components compared withZ7–12: OAc alone. The observed arrestment effect may have been due to male perception of one or more minor components of the CL pheromone. The results show that the multicomponent pheromones of these species function effectively as specific mating signals and that discrimination of odor quality by male moths can occur as the result of minor components affecting male sensitivity or their upwind flight response to the pheromone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01022530
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  • 3
    Electronic Resource
    Electronic Resource
    Threshold hypothesis for pheromone perception (1978)
    Springer
    Journal of chemical ecology 4 (1978), S. 685-699 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; bioassays ; redbanded leafroller ; Argyrotaenia velutinana ; omnivorous leafroller ; Platynota stultana ; pink bollworm ; Pectinophora gossypiella ; behavioral thresholds ; disruption ; sex attractant trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Field results have shown that male moths of some species are not always trapped by the ratio of pheromone components produced by the female moths. For cases involving a binary mixture of geometrical or positional isomers, this phenomenon may be explained by use of a threshold diagram in which the isomer ratio in the mixture is plotted against release rate (concentration). In this diagram an “attraction area” is bounded by the threshold for flight activation over the full range of binary mixtures and by the threshold for alteration of in-flight behavior (disorientation) by each pheromone component. A low release rate of the natural mixture may fall within this “attraction area,” or a high release rate of mixtures in certain other ratios may fall within this area and would be expected to attract male moths. This hypothesis has been used to explain heretofore anomalous trapping data with some moth species, and it can be useful in future studies on defining pheromone blends, species specificity, and potentially disruptive mixtures for insect control.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990279
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  • 4
    Electronic Resource
    Electronic Resource
    Sex pheromone of the chokecherry leafroller moth,Sparganothis directana (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 487-498 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; Sparganothis directana ; chokecherry leaf-roller moth ; (E)-9,11-dodecadienyl acetate ; (Z)-9,11-dodecadienyl acetate ; (E)-11-tetradecenyl acetate ; (Z)-11-tetradecenyl acetate ; (E)-9-dodecenyl acetate ; (Z)-9-dodecenyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract (E)-9,11-Dodecadienyl acetate and (Z)-9,11-dodecadienyl acetate in conjunction with (E)-11-tetradecenyl acetate and (Z)-11-tetradecenyl acetate were found to comprise the sex pheromone ofSparganothis directana, based on chemical analysis, electroantennogram tests, and field trapping. (E)-9-Dodecenyl acetate and (Z)-9-dodecenyl acetate were also found in gland extracts but did not influence trap catches. The relative amounts of these compounds in the gland were 35∶2∶19∶28∶ 10∶6, in the order named. Only (E)-9,1 1-dodecadienyl acetate, (E)-11-tetradecenyl acetate, and (Z)-11-tetradecenyl acetate were required for attraction of males to traps, dispensed in the relative amounts 50∶12∶38, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402925
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  • 5
    Electronic Resource
    Electronic Resource
    Pheromone-blend discrimination by European corn borer moths with inter-race and inter-sex antennal transplants (1999)
    Springer
    Journal of comparative physiology 184 (1999), S. 273-278 
    Details
    ISSN: 1432-1351
    Keywords: Key wordsOstrinia nubilalis ; Sustained-flight tunnel ; Antennal imaginal disks ; Macroglomerular complex ; Sex pheromone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Transplantation of larval antennal imaginal disks between the pheromone races of the European corn borer moth produced males and females of one race with male antennal phenotypes of the race using the opposite pheromone blend. All of the adults with transplanted antennal disks that exhibited a pheromone-mediated response in the flight tunnel did so with the pheromone blend of the recipient's race, even though the respective males and females possessed male antennae of the opposite race. Our results support the conclusion that male antennal response type is not a determining factor in pheromone-blend discrimination in male moths.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003590050325
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  • 6
    Electronic Resource
    Electronic Resource
    Male moth sensitivity to multicomponent pheromones: Critical role of female-released blend in determining the functional role of components and active space of the pheromone (1986)
    Springer
    Journal of chemical ecology 12 (1986), S. 659-668 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; active space ; Trichopulsia ni ; Lepidoptera ; Noctuidae ; Argyrotaenia velutinana ; Grapholita molesta ; Tortricidae ; multicomponent pheromones ; sustained-flight tunnel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In the present study male redbanded leafroller (Argyrotaenia velutinana), cabbage looper (Trichoplusia ni), and Oriental fruit moths, (Grapholita molesta), were tested in a flight tunnel to (1) the major pheromone component, (2) theZ/E pheromone component mixtures for Oriental fruit moth and redbanded leafroller, (3) and the female-released blends, over a series of dosages. Experiments were designed to test the hypothesis that male response downwind of a female is initiated by the major component and that minor components function only to elicit behaviors close to the female during close-range approach and courtship. The results did not support this hypothesis, but rather showed that males initiated upwind flight in significantly higher percentages to the complete blends of components, at all dosages, compared to single components or partial blends. Addition of minor components also signficantly enhanced male perception of the major component at lower dosages, resulting in completed flights to dosages of the major component that alone did not elicit any upwind flight. Our results support the concept that minor components function to enhance male sensitivity to the pheromone, and the specificity of the signal. Our results also support the hypothesis that the active space of the pheromone is a function of the upper and lower concentration thresholds for the blend of components, and not simply for the major component.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012100
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  • 7
    Electronic Resource
    Electronic Resource
    Identification of the sex pheromone of the yellow scale (1979)
    Springer
    Journal of chemical ecology 5 (1979), S. 27-33 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; yellow scale ; Aonidiella citrina ; Homoptera ; Diaspididae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The sex pheromone of the yellow scale,Aonidiella citrina (Coquillett), was isolated from airborne collections and found to be (E)-3,9-dimethyl-6-isopropyl-5,8-decadien-1-yl acetate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987685
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  • 8
    Electronic Resource
    Electronic Resource
    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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  • 9
    Electronic Resource
    Electronic Resource
    Sex pheromone components of the obliquebanded leafroller moth,Choristoneura rosaceana (1979)
    Springer
    Journal of chemical ecology 5 (1979), S. 3-11 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; sex attractant ; Choristoneura rosaceana ; Lepidoptera ; Tortricidae ; obliquebanded leafroller ; (Z)-11-tetradecen-1-yl acetate ; (E)-11-tetradecen-1-yl acetate ; (Z)-11-tetradecen-1-ol ; (E)-11-− tetradecen-1-ol ; (Z)-11-tetradecenal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Previously, (Z)-11-tetradecen-1-yl acetate was reported as the sex pheromone of the obliquebanded leafroller,Choristoneura rosaceana (Harris). A mixture of 92% (Z)-11-tetradecen-1-yl acetate and 8% (E)-tetradecen-1-yl acetate has been reported as an attractant for this insect. (E)-11-tetradecen-1-yl acetate and (Z)-11-tetradecen-1-ol have now been isolated and identified from female tip extracts and shown to be behaviorally active; in addition, there is some evidence for the presence of (E)-11-tetradecen-1-ol in these extracts. TheZ∶E ratio for both the acetates and the alcohols in these tip extracts was about 98∶2; the proportion of alcohols was rather variable, but the acetates always predominated. Maximum trap catches fn the field during the course of this study were obtained with 5 mg of 95∶5 (Z)∶(E)-11-tetradecen-1-yl acetates containing 0.5–10% (Z)-11-tetradecen-1-ol (approx. 1%Eisomer) in polyethylene caps. No evidence was found for the presence of (Z)-11-tetradecenal in female tip extracts, and this compound was found to be ineffective in increasing trap catches.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987683
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  • 10
    Electronic Resource
    Electronic Resource
    Identification of unique pheromone components for soybean looper mothPseudoplusia includens (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 1351-1360 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; Lepidoptera ; Noctuidae ; Pseudoplusia includens ; sustained-flight tunnel ; (Z)-7-dodecenyl acetate ; dodecyl acetate ; 11-dodecenyl acetate ; (Z)-7-dodecenyl propionate ; (Z)-7-dodecenyl butanoate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Analysis of sex pheromone glands from individual female soybean looper moths showed that in addition to the previously identified main component (Z)-7-dodecenyl acetate, the compounds dodecyl acetate, 11-dodecenyl acetate, (Z)-7-dodecenyl propionate, and (Z)-7-dodecenyl butanoate were also produced. Two of the components, 12∶OAc and 11–12∶OAc, were not detected in a single analysis of female effluvium. Flight-tunnel tests showed that the five-component and three-component blends were equal to each other and to a female extract (〉 80% source contacts) and that the mixtures were superior toZ7–12∶OAc alone. Field tests indicated that the five-component blend was significantly more attractive thanZ7–12∶OAc alone at a dosage of 1 mg, but that the blend was only slightly better at 3 mg.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012282
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