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  • pheromone  (40)
  • Springer  (40)
  • International Union of Crystallography
  • PANGAEA
  • 2000-2004  (1)
  • 1990-1994  (24)
  • 1975-1979  (15)
  • 1960-1964
  • 1945-1949
  • 1935-1939
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Keywords
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  • Springer  (40)
  • International Union of Crystallography
  • PANGAEA
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Analysis, synthesis, formulation, and field testing of three major components of male mediterranean fruit fly pheromone (1991)
    Springer
    Journal of chemical ecology 17 (1991), S. 1925-1940 
    Details
    ISSN: 1573-1561
    Keywords: Insecta ; Diptera ; Tephritidae ; Mediterranean fruit fly ; pheromone ; attractant ; Ceratitis capitata ; ethyl-(E)-3-octenoate ; geranyl acetate ; (E,E)-α-farnesene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Three major components, ethyi-(E)-3-octenoate, geranyl acetate, and (E,E)-α-farnesene, emitted as volatiles by laboratory-reared and wild male medflies were collected and analyzed qualitatively and quantitatively. Peak emission of these compounds occurred during the third to fifth hours of the photophase and differences were observed in the ratios of the three components emitted by male laboratory-reared and wild flies. These three compounds were synthesized, and a method was developed to formulate a synthetic blend that released the compounds in a ratio similar to that emitted by wild male medflies. Attractiveness of the blend to female medflies was demonstrated under field conditions by comparing trap catches. Black spherical traps, baited with the synthetic blend to release 1.6 male equivalents, caught significantly more females than blank traps and traps from which the blend released was 0.3, 3.2 or 6.4 male equivalents.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00993739
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  • 2
    Electronic Resource
    Electronic Resource
    Female pheromone in the black molly fish (Mollinenesia latipinna): A possible metabolic correlate (1977)
    Springer
    Journal of chemical ecology 3 (1977), S. 207-217 
    Details
    ISSN: 1573-1561
    Keywords: Black molly fish ; Mollinenesia latipinna ; pheromone ; thyroxine ; thiouracil ; general activity stimulus ; social contact
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The female black mollyMollinenesia latipinna emits a water-borne pheromone which increases general activity and social contacts among males. Two hormones, thyroxine and thiouracil, administered to the females increase these behaviors in males. Apparently the hormones do not functionally compete in this species, and both seem to elevate the emission of the male stimulant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994147
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  • 3
    Electronic Resource
    Electronic Resource
    Quantitative estimates of the western pine beetle attractive pheromone components,exo-brevicomin, frontalin, and myrcene in nature (1979)
    Springer
    Journal of chemical ecology 5 (1979), S. 397-414 
    Details
    ISSN: 1573-1561
    Keywords: Dendroctonus brevicomis ; exo-brevicomin ; frontalin ; myrcene ; attractant ; pheromone ; pheromone production ; pest management ; bark beetle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Three parameters are described for estimating the natural occurrence of chemically defined insect pheromones: (1) the rate and duration of release by the insect, (2) the density of the pheromone-emitting insect population in both time and space, and (3) dispersal and degradation rates of the chemicals. Each of these parameters, except dispersal, was estimated for a population ofDendroctonus brevicomis LeC, and its three component attractive pheromones. A single generation of 610,000 beetles, believed to comprise the entire population in a 65-km2 forest, was estimated to have released 0.78, 3.7, and 370.5 g of frontalin,exo-brevicomin, and myrcene, respectively, within a 30-day period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987925
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  • 4
    Electronic Resource
    Electronic Resource
    Trapping the western pine beetle at and near a source of synthetic attractive pheromone Effects of trap size and position (1979)
    Springer
    Journal of chemical ecology 5 (1979), S. 519-531 
    Details
    ISSN: 1573-1561
    Keywords: Pinus ponderosa ; Dendroctonus brevicomis ; western pine beetle ; attractant ; pheromone ; behavior ; traps ; Coleoptera ; Scolytidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Western pine beetles were caught on unbaited sticky traps placed near a source ofexo-brevicomin, frontalin, and myrcene. Size of trap, distance and direction from the source of attractant, and height from the ground were varied. Significant differences in trap catch were observed in relation to each of the variables. Traps close to the source of attractant caught more beetles than traps farther from the source. Traps downwind of the source of attractant caught more beetles than did upwind traps. More males than females were trapped close to the source of attractant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987837
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  • 5
    Electronic Resource
    Electronic Resource
    Identification of sex pheromone of browntail moth,Euproctis chrysorrhoea (L.) (Lepidoptera: Lymantriidae) (1991)
    Springer
    Journal of chemical ecology 17 (1991), S. 897-910 
    Details
    ISSN: 1573-1561
    Keywords: Browntail moth ; Euproctis chrysorrhoea (L.) ; Lepidoptera ; Lymantriidae ; pheromone ; (Z,Z,Z,Z)-7,13,16,19-docosatetraen-1-ol isobutyrate ; sex attractant ; dose dependence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A unique sex attractant pheromone was isolated and identified from extracts of ovipositor tips from the female browntail moth (Lepidoptera: Lymantriidae). The pheromone compound, (Z,Z,Z,Z)-7,13,16,19-docosatetraen-1-ol isobutyrate, CH3CH2CH=CHCH2CH=CHCH2CH= CH(CH2)4CH=CH(CH2)6O2CCH(CH3)2, was identified by a combination of gas chromatography, mass spectrometry, and microreactions and was confirmed by synthesis. Traps baited with 5–50 μg of the synthetic pheromone, dispensed from rubber septa treated with an antioxidant and a UV stabilizer, gave male moth captures that were comparable to traps baited with three virgin females. Higher (250 μg) and lower (0.04–2.5 μg quantities of the synthetic pheromone on septa captured somewhat fewer males. Captures were the same for similar quantities of the natural and synthetic pheromone. Minor, inactive components in the tip extract were identified as a mixture of 7- and 8-pentacosanone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01395598
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  • 6
    Electronic Resource
    Electronic Resource
    Synthesis and field testing of 4,6,6-lineatin, the aggregation pheromone ofTrypodendron lineatum (Coleoptera: Scolytidae) (1979)
    Springer
    Journal of chemical ecology 5 (1979), S. 681-689 
    Details
    ISSN: 1573-1561
    Keywords: Trypodendron lineatum ; 4,6,6-lineatin ; 3,3,7-trimethyl-2,9-dioxatricyclo[3.3.1.04,7]nonane ; pheromone ; attractant ; tricyclic acetal ; Scolytidae ; aggregation pheromone ; ambrosia beetle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Authentic 4,6,6-lineatin (3,3,7-trimethyl-2,9-dioxatricyclo-[3.3.1.04,7]nonane) (I) was produced in low yield via three synthetic pathways. In field tests, microgram amounts of the product from all three syntheses attracted large numbers ofTrypodendron lineatum of both sexes. These results confirm that 4,6,6-lineatin (I) is a population aggregation pheromone forT. lineatum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00986553
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  • 7
    Electronic Resource
    Electronic Resource
    Has the Attraction of Predatory Coccinellids to Cornicle Droplets Constrained Aphid Alarm Signaling Behavior? (2000)
    Springer
    Journal of insect behavior 13 (2000), S. 321-329 
    Details
    ISSN: 1572-8889
    Keywords: kairomone ; searching ; predator–prey interactions ; pheromone ; E-B-farnesene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract When attacked by a predator, aphids of many species secrete cornicle droplets, containing an alarm pheromone, that results in the dispersal of nearby conspecifics. As females are parthenogenetic, alarm signaling functions to enhance the survival of clone-mates. Enigmatically, however, aphids are physically able to, but usually do not emit alarm pheromone when initially detecting a predator, but rather signal only when captured by a predator. We hypothesized that cornicle droplets may be attractive to natural enemies and result in an increased risk of predation for the signaler, thereby selecting for prudent alarm signalers. We tested this hypothesis by investigating the olfactory cues that the multicolored Asian ladybird beetle, Harmonia axyridis Pallas, uses to locate pea aphids, Acyrthosiphon pisum. In choice tests, H. axyridis were attracted to odors from pea aphid colonies, whether feeding or not feeding on a host plant leaf, but were not attracted to cornicle droplets containing alarm pheromone. Further, individual pea aphids emitting cornicle droplets were not located more often or in a shorter period of time by beetles than aphids not emitting cornicle droplets. Thus, the cost of emitting early alarm signals is not prohibitively high in regards to the attraction of predators such as H. axyridis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007754000862
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  • 8
    Electronic Resource
    Electronic Resource
    Inter-specific avoidance of egg-associated semiochemicals in four tortricids (1993)
    Springer
    Cellular and molecular life sciences 49 (1993), S. 998-1001 
    Details
    ISSN: 1420-9071
    Keywords: Lepidoptera ; Tortricidae ; synomone ; pheromone ; behavior ; oviposition ; Lobesia botrana ; Cydia pomonella ; Cydia molesta ; Eupoecilia ambiguella ; fatty acids ; esters of fatty acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Oviposition of four tortricid pests of vineyards (the European grapevine moth and the grape berry moth) and fruit orchards (the codling moth and the oriental fruit moth) is deterred by a blend of straight chain fatty acids and esters of fatty acids that have been identified in the eggs of one of them: the European grapevine moth (EGVM)Lobesia botrana. This is the first evidence of inter-specific recognition of an egg-like signal in moths. We demonstrate that oviposition site selection is influenced by population density, avoidance of deterrent being most important when females are isolated. Inter-specific egg recognition might be an important phenomenon, especially in species competing for a common food resource. We propose the term ‘oviposition regulating synomone’ for molecules and blends that affect the inter-specific spacing of eggs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02125648
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  • 9
    Electronic Resource
    Electronic Resource
    Mutual inhibition of the attractant pheromone response by two species ofIps(Coleoptera: Scolytidae) (1975)
    Springer
    Journal of chemical ecology 1 (1975), S. 101-113 
    Details
    ISSN: 1573-1561
    Keywords: pheromone ; inhibition ; Scolytidae ; Ips ; pini ; paraconfusus ; ipsenol ; linalool
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The bark beetles,Ips pini andI. paraconfusus, are not cross-attractive in the field although they attack the same host material at the same time. Logs containing the pheromone-producing sex (males) of both species side by side attract significantly fewer beetles of each species than do males of either species alone. Ipsenol, a component of the maleI. paraconfusus pheromone, duplicates the activity of maleI. paraconfusus in inhibiting the response ofI. pini to maleI. pini. Linalool from maleI. pini also reduces the catch ofI. paraconfusus in response to maleI. paraconfusus. Simultaneous production of a specific attractant pheromone and an interspecific chemical inhibitor favors exclusive use of the host substrate by the first arriving species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987723
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  • 10
    Electronic Resource
    Electronic Resource
    Age-related response of male melon fliesDacus cucurbitae (Diptera: Tephritidae) to cue-lure (1991)
    Springer
    Journal of chemical ecology 17 (1991), S. 2481-2487 
    Details
    ISSN: 1573-1561
    Keywords: Dacus cucurbitae ; Diptera ; Tephritidae ; melon fly ; cue-lure ; age effects ; pheromone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Laboratory-reared and wild adults of the melon fly,Dacus cucurbitae Coquillett, were tested for response to cue-lure at various ages. Virgin laboratory (4, 6, 8, 10, 12, and 14 days old) and wild (10, 12, 14, 16, 18, 20, and 22 days old) flies were released into outdoor field cages and trapped from 0800 until 1600 hr. Response of males to cue-lure increased with age and corresponded with sexual maturity for each strain. Females of both strains were relatively nonresponsive to cue-lure. Failure to eradicate in past male annihilation programs againstD. cucurbitae may be explained in part by the fact that only older males, which may have already mated with gravid females, respond to cue-lure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994596
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