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  • Lepidoptera  (23)
  • Springer  (23)
  • Periodicals Archive Online (PAO)
  • 1980-1984  (23)
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  • Springer  (23)
  • Periodicals Archive Online (PAO)
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  • 1
    Digitale Medien
    Digitale Medien
    Repellency of pheromones released by females of Heliothis armigera and H. zea to females of both species (1981)
    Springer
    Entomologia experimentalis et applicata 30 (1981), S. 123-127 
    Details
    ISSN: 1570-7458
    Schlagwort(e): Sex Pheromones ; Repellent ; Heliothis armigera ; Heliothis zea ; Lepidoptera ; Noctuidae ; cotton bollworm ; corn earworm
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Beschreibung / Inhaltsverzeichnis: Résumé L'examen en olfactomètre a porté sur les réactions face à d'autres femelles de la même espèce, de femelles vierges ou ayant copulé d'Heliothis armigera Hübner et H. zea Boddie. Le lot comprenait 8 femelles, vierges ou ayant copulé en présence d'une femelle vierge ou ayant copulé. Les 4 combinaisons possibles de femelles vierges et de femelles ayant copulé ont été examinées avec 12 répétitions pour chaque espèce. Un extrait de l'extrémité de l'abdomen de femelles vierges d'une espèce a été présenté aux femelles de l'autre espèce pour examiner les possibilités de réactions interspécifiques aux phéromones. Pour chaque espèce, les réactions interspécifiques de répulsion entre femelles ont été hautement significatives par rapport aux témoins, à l'exception toutefois des réactions de femelle ayant copulé face à des femelles ayant elles aussi copulé. Les répulsions moyennes chez H. armigera et H. zea pour les 8 femelles de chaque expérience ont été: a) vierges en présence d'une vierge: 7,33 et 7,66; b) vierges en présence d'une femelles ayant copulé: 5,76 et 5,58; c) femelles ayant copulé en présence d'une vierge: 4,67 et 4,83. Les différences sont hautement significatives entre chaque paire de moyennes et entre chaque paire et le lot témoin; 3,17; 3,17; 3,42; 4,00 pour H. armigera; 3,17; 3,50; 2,83 et 3,75 pour H. zea. Les femelles vierges des deux espèces, H. armigera et H. zea ont présenté une réaction de répulsion en présence d'un extrait de l'abdomen de l'autre espèce; les répulsions moyennes étant respectivement 5,53 et 5,33 contre 3,83 et 3,58 pour le lot trémoin. On peut en conclure que ces répulsions doivent entraîner une tendance à la répartition uniforme.
    Notizen: Abstract An olfactometer was used to determine the effect of pheromones released by females of the bollworms Heliothis armigera (Hübner) and H. zea (Boddie) on females of the same species. Four combinations of virgin and mated females were tested for repellency of one to the other. Evidence is presented that females of the two bollworms were repelled by females of the same species. In addition, extracts of virgin female abdomens of each species repelled virgin females of the other species.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00300876
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  • 2
    Digitale Medien
    Digitale Medien
    Sex attractant for three species of the genusOncocnemis: O. chandleri (Grt.),O. cibalis (Grt.), andO. mackiei (B. & Benj.) (Lepidoptera: Noctuidae) (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 1701-1706 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Lepidoptera ; Noctuidae ; Oncocnemis chandleri ; Oncocnemis cibalis ; Oncocnemis mackiei ; (5E7Z)-5 ; 7-dodecadienyl acetate ; (Z)-7-dodecenyl acetate ; sex attractant
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Oncocnemis chandleri, O. cibalis, andO. mackiei were attracted to chemically baited traps in the field. In all three cases, (5E,7Z)-dodecadienyl acetate was a key component for attraction. Attraction ofO. chandleri to traps baited with the (5E,7Z)-dodecadienyl acetate was inhibited by addition of (Z)-7-dodecenyl acetate.O. cibalis required both (5E,7Z)-dodecadienyl acetate and (Z)-7-dodecenyl acetate for attraction. Electroantennogram responses for the three species are also reported.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987356
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  • 3
    Digitale Medien
    Digitale Medien
    Attraction of male spruce budworm moths,Choristoneura fumiferana (Clemens), to pheromone-baited traps in small-tree thinnings (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 125-133 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Spruce budworm ; Choristoneura fumiferana ; Lepidoptera ; Tortricidae ; sex pheromone ; small-tree thinnings ; temperature ; precipitation ; wind ; attraction distance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Mean catches of spruce budworm,Choristoneura fumiferana (Clemens), moths were not significantly different among four small-tree thinning treatments of young spruce-fir-hemlock regeneration. Significant inverse relationships were found between trap catches and distances to nearby spruce-fir-hemlock overstory. Prevailing wind directions indicated that moths were attracted anemotactically to upwind pheromone sources. No definite trends were detected between catches and temperature or precipitation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987649
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  • 4
    Digitale Medien
    Digitale Medien
    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
    Schlagwort(e): 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
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987669
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  • 5
    Digitale Medien
    Digitale Medien
    Synthesis of sex pheromone components of the forest tent caterpillar,Malacosoma disstria (Hübner) and of the western tent caterpillar,Malacosoma californicum (Packard) (1981)
    Springer
    Journal of chemical ecology 7 (1981), S. 159-164 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Synthesis ; isomers ; 5,7-dodecadienal ; sex pheromone ; Malacosoma disstria ; Malacosoma californicum ; Lepidoptera ; Lasiocampidae
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract All four geometrical isomers of 5,7-dodecadien-1-ol have been stereoselectively synthesized by using Wittig condensation reactions. (5 Z,7E)-5,7-Dodecadien-1-ol and its corresponding aldehyde are components of the sex pheromone of the forest tent caterpillar. (5 E,7 Z)-5,7-Dodecadienal is a component of the pheromone of the western tent caterpillar. These compounds have been successfully tested in the field.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00988643
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  • 6
    Digitale Medien
    Digitale Medien
    Sex pheromone components of fall cankerworm moth,Alsophila pometaria (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 1579-1596 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Alsophila pometaria(Harris) ; fall cankerworm ; Lepidoptera ; Geometridae ; sex pheromone ; (Z,Z,Z,E)-3,6,9,11-nonadecatetraene ; (Z,Z,Z,Z)-3,6,9,11-nonadecatetraene ; (Z,Z,Z)-3,6,9-nonadecatriene ; synthesis ; hydrocarbons
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract (Z,Z,Z,E)-3,6,9,11-Nonadecatetraene and (Z,Z,Z,Z)-3,6,9,11-nonadecatetraene, sex pheromone components ofAlsophila pometaria, were synthesized by stereoselective Wittig reactions and found to be spectroscopically and chromatographically identical to isolated natural material. Flight-tunnel bioassays and field-trapping experiments confirmed that the two tetraenes together with (Z,Z,Z)-3,6,9-nonadecatriene are sex pheromone components. While traps baited with either tetraene individually captured conspecific males in field-trapping experiments, addition of the triene, which captured no males by itself, to either tetraene resulted in synergistic responses.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00988426
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  • 7
    Digitale Medien
    Digitale Medien
    Novel sex pheromone components from the fall cankerworm moth,Alsophila pometaria (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 463-473 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Alsophila pometaria (Harris) ; fall cankerworm ; Lepidoptera ; Geometridae ; sex pheromone ; (Z,Z,Z)-3,6,9-nonadecatriene ; (Z,Z,Z,E)-3,6,9,11-nonadecatetraene ; (Z,Z,Z,Z)-3,6,9,11-nonadecatetraene
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract A sex pheromone extract from fall cankerworm moths,Alsophila pometaria, attracted conspecific males in field tests. Four EAG-active components were isolated from the extract and identified by GC-MS, highfield PMR spectroscopy, and microchemical techniques asn-nonadecane (I), (Z,Z,Z)-3,6,9-nonadecatriene (II), (Z,Z,Z,E)-3,6,9,11-nonadecatetraene (III), and (Z,Z,Z,Z)-3,6,9,11-nonadecatetrane (IV). Studies of the behavioral responses of male moths in a flight tunnel to the isolated components showed II, III, and IV were the major components of the sex pheromone. No sex pheromone behavioral responses were observed for I.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00988092
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  • 8
    Digitale Medien
    Digitale Medien
    Sex pheromone of a conifer-feeding budworm,Choristoneura retiniana, Walsingham (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 153-160 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Choristoneura retiniana ; Lepidoptera ; Tortricidae ; sex pheromone ; sex attractant ; forset insects ; Tortricidae ; insect behavior ; E- andZ-11-tetradecenyl acetates ; E- andZ-11-tetradecenol
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Sex pheromone components collected from femaleChristoneura retiniana included 11-tetradecenyl acetates and alcohols. The major component wasE-11-tetradecenyl acetate (E11–14∶Ac) with a lesser amount ofZ isomer necessary to induce male response. A 92∶8 ratio ofE,Z11–14∶ Ac appeared optimal. The alcohol component was present at about 10% of the total pheromone mixture, and traps baited with acetates plus alcohol surpassed unmated females in their degree of attractiveness. Chemical analysis indicated a 9∶:1 ratio of theE — Z isomers of 11-tetradecenyl alcohol (11–14∶ol) pheromone components, although bait formulations containing a predominance of either theE orZ isomers were equally successful in field bioassays. Based on male response to traps,E- andZ11–14∶Ac (92∶8E — Z) are essential pheromone components for long-range sex attraction. The 11–14∶ ol enhanced attraction when added at 10% of the total pheromone blend.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987652
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  • 9
    Digitale Medien
    Digitale Medien
    Comparative distribution and persistence of disparlure in woodland air after aerial application of three controlled-release formulations (1981)
    Springer
    Journal of chemical ecology 7 (1981), S. 867-880 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Disparlure ; gypsy moth ; Lymantria dispar ; Lepidoptera ; Lymantriidae ; controlled release ; laminated dispensers ; hollow fibers ; microcapsules ; atmospheric permeation ; mating disruption ; air concentration
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Disparlure, the gypsy moth sex pheromone, was aerially applied to three plots, using a different controlled-release formulation-gelatin microcapsules, flakes of plastic laminates, or hollow fibers-in each plot. Disparlure concentrations in air were measured intermittently over a 34-day period after application. Measurements were made at four heights above ground: 0.3,2,5, and 10m. Wind speed and air temperature were measured concurrently. Disparlure was emitted from the microcapsules and fibers at very high levels for the first day or two; thereafter, all three formulations produced gradually decreasing aerial concentrations. After 32–34 days, concentrations in all plots ranged from 1.5% to 15.5% of those on the first day, although most of the pheromone remained in the formulations. Results suggest that the effective life of all three formulations for mating disruption by atmospheric permeation would be near 30 days under the test conditions, with fibers likely to have the shortest life. Concentrations varied diurnally throughout the experiment, with highest levels generally between 1400 and 2200 hr each day. Concentrations were highest at the 10-m height with microcapsules and at the 0.3- and 10-m heights with flakes, but were similar at all heights with fibers. Biological implications of the results are presented.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00992384
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  • 10
    Digitale Medien
    Digitale Medien
    Site of secretion of the trail marker of the eastern tent caterpillar (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 31-39 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Malacosoma americanum ; eastern tent caterpillar ; Lepidoptera ; Lasiocampidae ; trail pheromone ; pheromone secretory site ; silk trail
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract A new site of secretion of a chemical trail marker was found on the sternum at the tip of the last abdominal segment of the larva of the eastern tent caterpillarMalacosoma americanum. Larvae marked from this site by drawing their sterna along the substrate when they extended existing trails in search of food and again when they established recruitment trails to food-finds. Differences in the quantity or quality of the marker deposited by exploring and recruiting caterpillars may account for the greater activity of the recruitment trails.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00984003
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