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  • Lepidoptera  (15)
  • Springer  (15)
  • 1985-1989  (15)
  • 1980-1984
  • 1940-1944
  • 1987  (15)
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  • Springer  (15)
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  • 1985-1989  (15)
  • 1980-1984
  • 1940-1944
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  • 1
    Electronic Resource
    Electronic Resource
    A pheromone mimic: disruption of mating communication in the navel orangeworm, Amyelois transitella, with Z,Z-1,12,14-heptadecatriene (1987)
    Springer
    Entomologia experimentalis et applicata 44 (1987), S. 249-255 
    Details
    ISSN: 1570-7458
    Keywords: Lepidoptera ; Pyralidae ; navel orangeworm ; Amyelois transitella ; pheromone mimic ; mating disruption ; Z,Z-1,12,14-heptadecatriene ; Z,Z-11,13-hexadecadienal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé Le Z-Z-1,12,14-heptacécatriène, qui mime l'aldéhyde Z-Z-11,13-hexadécadénial, principal composé de la phéromone de A. transitella Walker, a été essayé pour interrompre les accouplements dans la nature. Un conditionnement avec plastique stratifié a mieux dispersé le triène que la présentation en capsules de polyéthylène. Comme dans le cas des autres produits examinés précédemment, ce triène a interrompu l'attraction sexuelle (réduction du nombre de mâles capturés dans les pièges, réduction du nombre d'accouplements) de A. transitella dans les vergers d'amandiers, pendant moins longtemps que l'aldéhyde. Placé dans des pièges contenant des femelles vierges, il est efficace comme l'aldehyde pendant 5 semaines, pendant 3 semaines lorsqu'il est placé autour des pièges et pendant 13 jours quand il est utilisé dans des parcelles de 9 arbres. Des essais ultérieurs avec d'autres présentations et des quantités plus élevées de triène devraient montrer si ce produit peut être utilisé pour l'interruption des accouplements. Les analogues de phéromones ont généralement une plus grande stabilité et un coût de synthèse moins élevé que les aldéhydes.
    Notes: Abstract A novel olefinic analog, Z,Z-1,12,14-heptadecatriene, was synthesized from Z,Z-11,13-hexadecadienal, a major pheromone component of the navel orangeworm, Amyelois transitella (Walker) (Lepidoptera: Pyralidae), and evaluated as a potential disruptant of mating communication in commercial almond orchards. The effectiveness of the triene as a disruptant was compared to that of the aldehyde by evaluating the reduction in captures of feral males in female-baited traps and the reduction in mating success for females. The triene was highly effective in bringing about reductions in male captures in traps in all tests relative to controls. This effectiveness lasted as long as 5 weeks in one test and was influenced by type of dispenser, release rate and proximity of dispensers to female-baited traps. In none of the tests did the triene outperform the aldehyde in reducing male captures. The results of mating success tests showed the triene to be ineffective relative to controls (26% reduction) while the aldehyde yielded 100% reductions in matings during a 6-day period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00369186
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  • 2
    Electronic Resource
    Electronic Resource
    Hickory shuckworm Cydia caryana: electroantennogram and flight tunnel studies of potential sex pheromone components (1987)
    Springer
    Entomologia experimentalis et applicata 44 (1987), S. 23-30 
    Details
    ISSN: 1570-7458
    Keywords: Lepidoptera ; Tortricidae ; Olethreutinae ; Cydia caryana ; sex pheromone ; electroantennogram ; flight tunnel ; behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé Les réponses olfactives antennaires de Cydia caryana, mesurées par électroantennogrammes (EAG), aux alcools et acétates à carbones monounsaturés en positions 12 et 14, ont montré que le système conjugué de double liaison, (E)-8-, (E)-10- du dodecadien-1-ol acétate constitue un composé chimique strutural critique de la phéromone sexuelle de C. caryana. De plus, les acétates: (E)-8-dodecen-1-ol,(Z)-8-dodecen-1-ol,(Z)-9-dodecen-1-ol, et le (Z)-12-tetradecen-1-ol, se sont révélés en AEG comme des composés secondaires de la phéromone. L'étude par AEG de la relation dose-réponse a conduit à l'hypothèse de deux catégories de populations de récepteurs de phéromones. L'analyse comportementale des résponses des papillons mâles dans le tunnel de vol aux composés qui ont provoqués les plus forts AEG, on fait estimer que les acétates (E,E)-8,10-dodécadien-1-ol et (Z)-9-dodecen-1-ol ressemblent (ou sont) les constituants de la phéromone sexuelle de C. caryana; tandis que les (Z)-8-dodecen-1-ol et (E)-10-dodecen-1-ol sont, soit des paraphéromones, soit des constituants mineurs de la phéromone. La signification biologique du (Z)-12-tétradécen-1-ol a été difficile à interprêter avec les expériences en tunnel de vol.
    Notes: Abstract Electroantennogram (EAG) measurement of male Cydia caryana moth antennal olfactory response to monounsaturated 12 and 14 carbon alcohols and acetates indicated that the (E)-8-, (E)-10- conjugated double bond system of a dodecadien-1-ol acetate is a critical chemical structural component of the C. caryana sex pheromone. Additionally, EAG measurements implicated (E)-8-dodecen-1-ol acetate, (Z)-8-dodecen-1-ol acetate, (Z)-9-dodecen-1-ol acetate and (Z)-12-tetradecen-1-ol as potential minor pheromonal components. An EAG dosage-response study suggested that there were at least two heterologous populations of pheromone acceptors. Behavioral analysis of male moth response in a flight tunnel to compounds which evoked the stronger EAG responses suggested that (E,E)-8,10-dodecadien-1-ol acetate and (Z)-9-dodecen-1-ol acetate resemble or are C. caryana sex pheromonal components, while (Z)-8-dodecen-1-ol acetate and (E)-10-dodecen-1-ol acetate are either parapheromones or are minor pheromone components. Behavioral significance of (Z)-12-tetradecen-1-ol was difficult to interpret in the flight tunnel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00361305
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  • 3
    Electronic Resource
    Electronic Resource
    Influence of fertilizer on southwestern corn borer, Diatraea grandiosella, infestation and damage to field corn (1987)
    Springer
    Entomologia experimentalis et applicata 43 (1987), S. 271-274 
    Details
    ISSN: 1570-7458
    Keywords: Southwestern corn borer ; Diatraea grandiosella ; Lepidoptera ; insects and fertilizer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé Nous avons étudié les corrélations entre l'utilisation d'engrais azotés et phosphatés d'une part, l'infestation et l'alimentation de D. grandiosella sur maïs en champs d'autre part. Les formules d'engrais comparées étaient: pas d'engrais, 90 et 179 kg N/ha sans P, 45 et 90 kg P/ha sans N, et les combinaisons de ces deux teneurs en N et P. La contamination était plus élevée dans les lots ayant reçu de l'azote que dans ceux traités sans N, mais la présence d'azote n'a pas réduit le décapage des tiges et la verse dus à l'alimentatin larvaire. A l'inverse, les lots n'ayant reçu que du phosphore avaient des pourcentages plus faibles de tiges contaminées par D. grandiosella et ainsi décapées et versées, que ceux qui n'avaient pas reçu P. Il n'a pas eu de différences significatives dans les contaminations ou les dégats entre les lots ayant reçu différentes combinaisons de N et P, et les effets de ces combinaisons sur l'insecte étaient intermédiaires à ceux de N et P seuls.
    Notes: Abstract Nitrogen (N) and phosphorus (P) fertilizers have differing effects on southwestern corn borer (SWCB). Diatraea grandiosella Dyar, densities and damage to field corn, Zea mays L. Nitrogen fertilization of corn is associated with an increase in number of stalks infested and girdled by corn borers, while addition of P has the opposite effect. When combinations of N and P were applied, there were no significant differences in SWCB infestation or damage from plots receiving no fertilizer. The effect of combinations of N and P on SWCB were intermediate to either element alone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343560
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  • 4
    Electronic Resource
    Electronic Resource
    Pyrrolizidine alkaloids in overwintering monarch butterflies (Danaus plexippus) from mexico (1987)
    Springer
    Cellular and molecular life sciences 43 (1987), S. 943-946 
    Details
    ISSN: 1420-9071
    Keywords: Pyrrolizidine alkaloids ; macrocyclic diesters ; monoesters ; dihydropyrrolizines ; Lepidoptera ; Danaus plexippus ; monarch butterflies ; overwintering ; asteraceae ; Boraginaceae ; ecological chemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary North American populations of the monarch butterfly,Danaus plexippus, have been found to contain pyrrolizidine alkaloids and their N-oxides. Analytical methods (TLC, GC, and GC/MS) have been developed to isolate, quantitate, and structurally elucidate the alkaloids. Examples of at least two classes of pyrrolizidine alkaloids have been identified, the macrocyclic diesters, senecionine, integerrimine, and seneciphylline, and the monoesters, echinatine, intermedine, and lycopsamine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951680
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  • 5
    Electronic Resource
    Electronic Resource
    Identification of trail pheromone of larva of eastern tent caterpillarMalacosoma americanum (Lepidoptera: Lasiocampidae) (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 397-402 
    Details
    ISSN: 1573-1561
    Keywords: Eastern tent caterpillar ; Malacosoma americanum ; Lepidoptera ; Lasiocampidae ; larva ; trail pheromone ; recruitment ; 5β-cholestane-3,24-dione
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Previous studies have shown that larvae of the eastern tent caterpillar (Malacosoma americanum F.) mark trails, leading from their tent to feeding sites on host trees, with a pheromone secreted from the posterior tip of the abdominal sternum. 5β-Cholestane-3,24-dione (1) has been identified as an active component of the trail. The larvae have a threshold sensitivity to the pheromone of 10−11 g/mm of trail. Several related compounds elicit the trail-following response. Two other species of tent caterpillars also responded positively to the pheromone in preliminary laboratory tests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01880088
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  • 6
    Electronic Resource
    Electronic Resource
    Attraction of sphingid moths (Lepidoptera: Sphingidae) to 10,12-hexadecadienyl aldehydes and acetates: Evidence of pheromone components (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 931-942 
    Details
    ISSN: 1573-1561
    Keywords: Attractant ; pheromone ; 10,12-hexadecadienal ; 10,12-hexadecadienyl acetate ; Smerinthus jamaicensis ; Smerinthus cerisyi ; Paonias exceactus ; Paonias myops ; Pachysphinx modesta ; Hemaris diffinis ; Proserpinus flavofasciata ; Hyles gallii ; Hyles euphorbiae ; Sphinx vashti ; Sphinx drupiferarum ; Lepidoptera ; Sphingidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A field survey of 10,12-hexadecadienyl alcohols, acetates, and aldehydes showed attraction to a wide range of sphingid moths. Data are presented showing the attraction ofSmerinthus jamaicensis, Smerinthus cerisyi, Pachysphinx modesta, Hemaris diffinis, andProserpinus flavofasciata to these compounds. Mass spectral, EAG, and EAD data show evidence for the presence of these dienes in female extracts ofS. cerisyi, Hyles gallii, andSphinx drupiferarum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020172
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  • 7
    Electronic Resource
    Electronic Resource
    Use of a sex attractant and an inhibitor for monitoring winter moth and bruce spanworm populations (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 1319-1330 
    Details
    ISSN: 1573-1561
    Keywords: Lepidoptera ; Geometridae ; Operophtera bruceata (Hulst) ; Bruce spanworm ; Operophetra brumata L. ; winter moth ; sex pheromone ; (Z,Z,Z)-1,3,6,9-nonadecatetraene ; inhibitor ; (E,Z,Z)-1,3,6,9-nonadecatetraene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A single sex pherormone component was isolated from abdominal tip extracts of female Bruce spanworm.Operophtera bruceata (Hulst). This was identified as (Z,Z,Z)-1,3,6,9-nonadecatetraene by capillary gas chromatography (GC), electroantennography, and mass spectrometry. In addition, hexane extracts of female abdominal tips from Bruce spanworm and the winter moth.O. brumata L., were analyzed by GC coupled to an electroantennographic detector (GC-EAD). The extracts ofO. bruceata andO. brumata females elicited only a single response, at the same retention time, from antennae of their conspecific and reciprocal males. In field tests conducted in Saskatchewan, traps baited with the synthetic tetraene captured Bruce spanworm males. In tests carried out on Vancouver Island, British Columbia, where the two species coexist, both Bruce spanworm and winter moth males were captured. The attractancy of lures containing the synthetic pheromone alone and in combination with several structurally related analogs was field tested at both locations. One of these, an isomer of the natural pheromone, (E,Z,Z)-1,3,6,9-nonadecatetraene, inhibited the capture of Bruce spanworm males but had no effect upon the number of winter moth males which were taken. Thus, populations of these two very similar species can be distinguished by employing traps baited with pheromone ± the inhibitor. Coneorifice Hara traps were found useful for field trapping males of both species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012279
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  • 8
    Electronic Resource
    Electronic Resource
    Sex pheromone components of three species ofSemiothisa (Geometridae), (Z,Z,Z)-3,6,9-heptadecatriene and two monoepoxydiene analogs (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 1371-1383 
    Details
    ISSN: 1573-1561
    Keywords: Lepidoptera ; Geometridae ; Semiothisa signaria dispuncta ; Semiothisa bicolorata ; Semiothisa ulsterata ; Semiothisa delectata ; Semiothisa neptaria ; (Z,Z,Z)-3,6,9-heptadecatriene ; (Z,Z)-6,9-cis-3,4-epoxy-heptadecadiene ; (Z,Z)-3,9-cis-6,7-epoxy-heptadecadiene ; sex attractant ; sex pheromone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Adult males ofSemiothisa signaria dispuncta (Walker) were attracted to field traps baited with (Z,Z,Z)-3,6,9-octadecatriene and (Z,Z)-6,9-cis-3,4-epoxy-octadecadiene. However, analyses of sex pheromone gland extracts of females of this species by GC-MS and by GC in combination with an electroantennograph detector (GC-EAD) showed the pheromone to be comprised of a mixture of the next lower homologs: (Z,Z,Z)-3,6,9-heptadecatriene and (Z,Z)-6,9-cis-3,4-epoxy-heptadecadiene. Blends of these two C17 compounds were subsequently found to be more attractive to males in the field than the corresponding C18 mixtures. Sex pheromones of two otherSemiothisa species were also found to contain C17 components. (Z,Z,Z)-3,6,9-Heptadecatriene, detected by GC-EAD analysis of a female abdominal tip extract ofS. bicolorata (Fabricius), attracted conspecific males, and this attraction was significantly reduced by additions of (Z,Z)-6,9-cis-3,4-epoxyheptadecadiene, the major pheromone component ofS. signaria dispuncta, to the lure. (Z,Z)-3,9-cis-6,7-Epoxy-heptadecadiene was detected by GC-EAD analysis as the primary male antennal stimulatory component present in abdominal tip extracts ofS. ulsterata (Pearsall), and males of this species were attracted to traps baited with this epoxide. Each of these three C17 compounds constitute previously unknown lepidopteran sex pheromone components. Blends of (Z,Z, Z)-3,6,9-heptadecatriene and (Z,Z)-3,9-cis-6,7-epoxyheptadecadiene attracted males of a fourth species,S. delectata Hulst, but no females of this species were obtained to permit analysis of its sex pheromone. The occurrence of (Z,Z,Z)-3,6,9-heptadecatriene inS. neptaria (Guenee) females was indicated by GC-MS analysis of an abdominal tip extract; however, no males were attracted to any of the fielded mixtures containing this hydrocarbon.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012284
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  • 9
    Electronic Resource
    Electronic Resource
    Comparison of electroantennograms from female and male cabbage looper moths (Trichoplusia ni) of different ages and for various pheromone concentrations (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 1443-1453 
    Details
    ISSN: 1573-1561
    Keywords: Trichoplusia ni ; Lepidoptera ; Noctuidae ; (Z)-7-dodecenyl acetate ; dodecyl acetate ; pheromone ; electroantennogram ; age ; maturation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The electroantennogram (EAG) responses of both male and femaleTrichoplusia ni to two components of the female-released sex pheromone were determined over a range of concentrations of chemical and age of insect. The EAG was at a peak at a dose of 100 μg for both dodecyl acetate and (Z)-7-dodecenyl acetate (Z7–12∶OAc) for both sexes. The EAG responses varied with age of the insect. Responsiveness to both components was at a maximum at three days postemergence for males followed by a fairly rapid senescence, and for females it peaked at three days followed by a rapid senescence forZ7–12∶OAc but not for dodcecyl acetate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012290
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  • 10
    Electronic Resource
    Electronic Resource
    Identification of sex pheromone components of darksided cutworm,Euxoa messoria, and modification of sex attractant blend for adult males (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 1187-1199 
    Details
    ISSN: 1573-1561
    Keywords: Darksided cutworm ; Euxoa messoria ; Lepidoptera ; Noctuidae ; sex pheromone ; (Z)-7-hexadecenyl acetate ; (Z)-11-hexadecenyl acetate ; (Z)-11-hexadecenol ; (Z)-11-hexadecenal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Eleven “pheromone-like” compounds were identified in excised abdomen tip extracts of calling adult females of darksided cutworm,Euxoa messoria (Harris). The essential pheromone components were (Z)-7- and (Z)-11-hexadecenyl acetates in a ratio of 1∶40, which agreed with an attractant blend developed empirically by field testing the attractancies of synthetic blends. The pheromone component, (Z)-11-hexadecenol, improved the attraction of darksided cutworm males whereas the components (Z)-9-tetradecenyl acetate and (Z)-7-dodecenyl acetate inhibited their attraction. The other “pheromone-like” compounds identified in the female extracts had no obvious effect on the attraction of darksided cutworm males. Three compounds that functioned as parapheromones when substituted for (Z)-7-hexadecenyl acetate in the two-component blend were (Z)-7-pentadecenyl, (Z)-7-tetradecenyl, and (Z)-7-tridecenyl acetates. (Z)-11-hexadecenal was not detected in the female extracts, but it had a synergistic effect on the attraction of darksided cutworm moths and inhibited the attraction of male moths of a nontarget species,Helotropha reniformis (Grote). As a trap bait for monitoring purposes, we recommend a four-component blend of (Z)-7-hexadecenyl acetate, (Z)-11-hexadecenyl acetate, (Z)-11-hexadecenol, and (Z)-11-hexadecenal at 12.5, 500, 1, and 10 μg/red rubber septum dispenser containing 5 μg of antioxidant 2,6-tert-butyl-4-methyl phenol. This blend is effective under field conditions for at least six weeks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020548
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