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1

Digitale Medien

Components of female sex pheromone of spotted bollworm,Earias vittella F. (Lepidoptera: Noctuidae): Identification and field evaluation in Pakistan (1988)

Cork, A. ; Chamberlain, D. J. ; Beevor, P. S. ; [weitere]

Springer

Journal of chemical ecology 14 (1988), S. 929-945

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ISSN: 1573-1561

Schlagwort(e): Spotted bollworm ; Earias vittella ; spiny bollworm ; Earias insulana ; Lepidoptera ; Noctuidae ; gas chromatography ; electroantennography ; pheromone traps ; hexadecanal ; (Z)-11-hexadecenal ; (E,E)-10,12-hexadecadienal ; (Z,E)-10,12-hexadecadienal ; (E,Z)-10,12-hexadecadienal ; octadecanal ; (Z)-11-octadecenal ; (E,E)-10,12-hexadecadien-1-ol

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Abstract Ovipositor washings from virgin femaleEarias vittella (F.) (Lepidoptera: Noctuidae) moths were examined by gas chromatography (GC) linked to electroantennography (EAG). Six components were detected by the male moth. These were identified by comparison of their retention times with those of a range of synthetic standards on fused silica capillary GC columns as hexadecanal, (Z)-11-hexadecenal, (E,E)-10,12-hexadecadienal, octadecanal, (Z)-11-octadecenal, and (E,E)-10,12-hexadecadien-1-ol in 1∶2∶10∶2∶4∶1 ratio. Field testing in Pakistan showed that a 2∶10∶2 mixture of (Z)-11-hexadecenal, (E,E)-10,12-hexadecadienal, and (Z)-11-octadecenal was as attractive to maleE. vittella moths as the six-component mixture and equal in attractiveness to a virgin female moth. Omitting (Z)-11-hexadecenal or (Z)-11-octadecenal greatly reduced this attractiveness. It was found that synthetic lures must be protected from sunlight to prevent loss of attractiveness caused by isomerization of the conjugated diene aldehyde, and addition of (E,Z)-10,12-hexadecadienal, one of the products of isomerization, was shown to reduce attractiveness significantly. During this work, a 10∶1 mixture of (E,E)-10, 12-hexadecadienal and (Z)-11-hexadecenal was shown to be as attractive toE. insulana (Boisd.) male moths as a virgin female moth, and the attractiveness of this mixture was further increased by addition of (E,Z)-10,12-hexadecadienal.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01018784

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2

Digitale Medien

A pheromone mimic: disruption of mating communication in the navel orangeworm, Amyelois transitella, with Z,Z-1,12,14-heptadecatriene (1987)

Curtis, C. E. ; Clark, J. D. ; Carlson, D. A. ; [weitere]

Springer

Entomologia experimentalis et applicata 44 (1987), S. 249-255

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ISSN: 1570-7458

Schlagwort(e): Lepidoptera ; Pyralidae ; navel orangeworm ; Amyelois transitella ; pheromone mimic ; mating disruption ; Z,Z-1,12,14-heptadecatriene ; Z,Z-11,13-hexadecadienal

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Beschreibung / Inhaltsverzeichnis: 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.

Notizen: 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00369186

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3

Digitale Medien

Acyl fluorides as reactive mimics of aldehyde pheromones: hyperactivation and aphrodisiac inHeliothis virescens (1986)

Prestwich, G. D. ; Carvalho, J. F. ; Ding, Y. -S. ; [weitere]

Springer

Cellular and molecular life sciences 42 (1986), S. 964-966

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ISSN: 1420-9071

Schlagwort(e): Acid fluoride ; aldehyde ; mating disruption ; pheromone analogs ; Heliothis ; Lepidoptera ; fluorination

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Summary Substitution of fluorine for the aldehydic hydrogen provides behaviorally active, chemically reactive pheromone mimics. In male moths of the tobacco budwormHeliothis virescens, Z9–14:Acf and Z11–16:Acf cause hyperactivity and irreversible extension of the genitalia in over 80% of treated moths. In addition, a combination of the two components leads to 10–50% of the pairs involving one treated partner becoming locked in copula.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01941782

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4

Digitale Medien

Arylpyridyl-thiosemicarbazones: A new class of anti-juvenile hormones active against Lepidoptera (1989)

Barton, A. E. ; Wing, K. D. ; Le, D. P. ; [weitere]

Springer

Cellular and molecular life sciences 45 (1989), S. 580-583

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ISSN: 1420-9071

Schlagwort(e): Thiosemicarbazones ; anti-juvenile hormone ; insect growth regulator ; Lepidoptera ; juvenile hormone biosynthesis inhibitor

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Summary A new class of anti-juvenile hormone agents is described. Active anti-juvenile hormone compounds were either diazine thiosemicarbazones or aryl substituted pyridyl thiosemicarbazones, synthesized from substituted benzaldehydes. While many analogs in these classes showed feeding and growth inhibition in a variety of insects, a select group caused formation of precocious pupal characteristics inAgrotis ipsilon (black cutworm) andHeliothis virescens (tobacco budworm) and black cuticle and precocious pupae inManduca sexta (tobacco hornworm). They were active only by diet incorporation. The symptoms of precocious development could be reversed by co-administration of a juvenoid. One of the active compounds was shown to inhibit juvenile hormone biosynthesis in vitro by corpora allata of the cockroachDiploptera punctata. However, none of the compounds were active inhibitors of purified chicken liver prenyl transferase.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01990513

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5

Digitale Medien

Field trapping of threeEpinotia species with (Z,Z)-7,9-dodecadienyl acetate (Lepidoptera: Tortricidae) (1985)

Reed, D. W. ; Chisholm, M. D.

Springer

Journal of chemical ecology 11 (1985), S. 1389-1398

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ISSN: 1573-1561

Schlagwort(e): (Z,Z)-7,9-Dodecadienyl acetate ; (Z,Z)-7,9-dodecadien-1-ol ; Epinotia silvertoniensis ; Epinotia criddleana ; Epinotia sp. ; Lepidoptera ; Tortricidae ; sex attractant

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Abstract Field survey of the geometrical isomers of 7,9-dodecadienyl alcohol, acetate, and aldehyde has resulted in attractants and inhibitors for three species of tortricid moths.Epinotia silvertoniensis and an undescribedEpinotia sp. were all attracted to (Z,Z)-7,9-dodecadienyl acetate. AnotherEpinotia sp. was attracted to (Z,Z)-7,9-dodecadienyl acetate and (Z,Z)-7,9-dodecadien-1-ol. Electroantennogram data and inhibition patterns for one of theEpinotia sp. are also reported. In addition,E. criddleana was attracted to lures containing (E)-9-dodecenyl acetate.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01012139

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6

Digitale Medien

Attraction of tortricid moths of subfamily olethreutinae to field traps baited with dodecadienes (1985)

Chisholm, M. D. ; Reed, D. W. ; Underhill, E. W. ; [weitere]

Springer

Journal of chemical ecology 11 (1985), S. 217-230

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ISSN: 1573-1561

Schlagwort(e): Sex attractant ; Lepidoptera ; Tortricidae ; Olethreutinae ; 8,10-dodecadienes ; 7,9-dodecadienes ; field trapping

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Abstract All four geometrical isomers of 7,9- and 8,10-dodecadienes with acetate, alcohol, and aldehyde functional groups were synthesized and field tested. The field survey produced sex attractant lures for 14 insect species. Species in the generaCydia, Grapholita, Eucosma, Pelochrista, Petrova, Phenta, Hedya, and Pseudosciaphila were captured. Defined lures were developed for some of the species captured. Gas chromatographie retention times for all geometrical isomers of 7,9- and 8,10-dodecadienes with acetate, alcohol, and aldehyde functional groups are reported. A study of the isomerization of 8,10-dodecadienyl acetates and aldehydes impregnated in rubber septa is reported.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00988204

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7

Digitale Medien

Components of female sex pheromone of cocoa pod borer moth,Conopomorpha cramerella (1986)

Beevor, P. S. ; Cork, A. ; Hall, D. R. ; [weitere]

Springer

Journal of chemical ecology 12 (1986), S. 1-23

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ISSN: 1573-1561

Schlagwort(e): Cocoa pod borer ; Conopomorpha cramerella ; Acrocercops cramerella ; Lepidoptera ; Gracillariidae ; sex pheromone ; sex attractant ; 4,6,10-hexadecatrienyl acetate ; 4,6,10-hexadecatrien-1-ol

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Abstract The cocoa pod borer,Conopomorpha cramerella (Snellen) (Lepidoptera: Gracillariidae), is the most serious pest of cocoa in Southeast Asia. Analyses of ovipositor washings and entrained volatiles from virgin female moths by gas chromatography (GC) linked to electroantennography (EAG), and comparison of EAG responses from the male moth to synthetic compounds indicated the presence of theE,Z,Z andE,E,Z isomers of 4,6,10-hexadecatrienyl acetate and the corresponding alcohols, and of hexadecyl alcohol. Amounts of pheromone produced were less than 0.1 ng/female, and no peaks for the unsaturated components were observed on GC analysis. Extensive field testing of synthetic mixtures in Sabah, East Malaysia, showed that traps baited with a polyethylene vial impregnated with 1.2 mg of a mixture of the above five components in 40∶60∶4∶6∶10 ratio caught more maleC. cramerella moths than traps baited with a virgin female moth.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01045587

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8

Digitale Medien

Attraction of moth species of Tortricidae, Gelechiidae, Geometridae, Drepanidae, Pyralidae, and Gracillariidae families to field traps baited with conjugated dienes (1985)

Reed, D. W. ; Chisholm, M. D.

Springer

Journal of chemical ecology 11 (1985), S. 1645-1657

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ISSN: 1573-1561

Schlagwort(e): Sex attractant ; Lepidoptera ; Tortricidae ; Gelechiidae ; Geometridae ; Drepanidae ; Pyralidae ; Gracillariidae ; conjugated diene

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Abstract Field surveys of a series of conjugated diunsaturated straight-chain primary alcohols, acetates, and aldehydes (dienes), including the 3,5-dode-cadienyl, 8,10-dodecadienyl, 3,5-tetradecadienyl, 8,10-tetradecadienyl, 9,11-tetradecadienyl, and 10,12-tetradecadienyl primary alcohols, acetates, and most aldehydes, and the related monounsaturated straight-chain primary alcohols, acetates, and aldehydes (monoenes), including the 3-dodecadienyl alcohol and acetates, attracted the following species from the title families. Diene attractants have been demonstrated for at least onePhyllonorycter sp.,Chionodes lugubrella (Fabr.),Leptostales ferruminaria (Zell.),Drepana bilineata (Pack.),Pyrausta fodinalis (Led.),Notocelia purpurissatana Heinr.,Phaneta alterana Heinr. Monoene attractants were demonstrated forHedya separatana (Kft.),Cydia fletcherana (Kft.),Barbara mappana Free.,Ancylis burgessiana (Zell.),Ancylis nubeculana Clem.,Evippe prunifoliella Cham.,Phlyctaenia coronata tertialis (Gn.), aChionodes sp., a Gelechiidae sp., and an unidentifiedPhyllonorycter sp. Replicated field experiments showed attraction-inhibition relationships for most species. Electroantennagram data are presented forLeptostales ferruminaria andDrepana bilineata.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01012118

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9

Digitale Medien

Influence of (Z)-11-hexadecen-1-ol on field performance ofHeliothis virescens pheromone in a PVC dispenser as evidenced by trap capture (1989)

Shaver, T. N. ; Hendricks, D. E. ; Lopez, J. D.

Springer

Journal of chemical ecology 15 (1989), S. 1637-1644

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ISSN: 1573-1561

Schlagwort(e): Tobacco budworm ; Heliothis virescens ; Lepidoptera ; Noctui-dae ; polyvinyl chloride ; pheromone dispensers ; pheromone blends ; (Z)-11-hexadecen-1-ol

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Abstract Field studies were conducted to determine the effect of (Z)-11-hexadecen-1-ol (Z11-16∶ OH) on capture of tobacco budworm (TBW),Heliothis virescens (F.), males when added to two-component (HV-2) and six-component (HV-6) pheromone blends dispensed from a polyvinyl chloride (PVC) substrate. Numbers of males caught in traps baited with PVC dispensers containing 0.25% Z11-16∶ OH, relative to total pheromone content, were significantly higher than numbers caught with dispensers containing noZ11-16∶ OH. Catches of TBW were also increased significantly in some tests whenZ11-16∶ OH was formulated in the bait at a 1% concentration. Catches were significantly reduced with dispensers containing 5.95%Z11-16∶ OH compared with those containing noZ11-16∶ OH. There were no differences in catch between traps baited with HV-2 vs. HV-6 or HV-2 + 0.25%Z11-16∶ OH vs. HV-6 + 0.25%Z11-16∶ OH when formulated in PVC substrate.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01012390

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10

Digitale Medien

Paternal allocation of sequestered plant pyrrolizidine alkaloid to eggs in the danaine butterfly,Danaus gilippus (1989)

Dussourd, D. E. ; Harvis, C. A. ; Meinwald, J. ; [weitere]

Springer

Cellular and molecular life sciences 45 (1989), S. 896-898

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ISSN: 1420-9071

Schlagwort(e): Lepidoptera ; pyrrolizidine alkaloid ; pheromone ; sexual selection ; nuptial gift ; egg defense

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Summary Pyrrolizidine alkaloid sequestered by adult maleDanaus gilippus from plants is transferred in large measure to the female at mating, and by the female to the eggs. The eggs, presumably, are protected as a result. The male's courtship pheromone, danaidone, derived from the sequestered alkaloid, may function to advertise the male's alkaloid-donating capacity.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01954068

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