Responses of Diabrotica lemniscata and D. longicornis (Coleoptera

Chrysomelidae) to Stereoisomers of 8-methyl-2-decyl-propanoate and Studies on the Pheromone of D. longicornis

J. L. Krysan, P. H. Wilkin, James Homer Tumlinson, III, P. E. Sonnet, R. L. Carney, P. L. Guss

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The four stereoisomers of 8-methyl-2-decyl-propanoate (MDP) were tested in the field for attractiveness to Diabrotica longicornis (Say) and D. lemniscata LeConte. Males of both species were attracted to the (2S,8R) isomer, and D. lemniscata was weakly attracted to the (2R,8R) isomer. Tests of the response of D. longicornis to combinations of isomers revealed that the (2R,8R) isomer significantly reduced catch at traps baited with (2S,8R); the other two isomers were without detectable effect. Sex pheromones were collected from virgin female D. virgifera virgifera LeConte and D. longicornis. When used as bait in traps in the presence of males of D. v. virgifera and D. longicornis, the material from D. v. virgifera attracted only conspecific males; that from D. longicornis attracted males of both species. According to electroantennographic monitoring of gas chromatographic effluent with D. longicornis males, a substance obtained from the extracts of filter papers that had been contaminated with secretions from virgin female D. longicornis had retention times coincident with MDP on four gas chromatographic liquid phases.

Original languageEnglish (US)
Pages (from-to)742-746
Number of pages5
JournalAnnals of the Entomological Society of America
Volume79
Issue number3
DOIs
StatePublished - May 1 1986

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Diabrotica longicornis
Diabrotica
stereoisomers
Chrysomelidae
pheromones
Coleoptera
isomers
virgin females
gases
bait traps
sex pheromones
effluents
traps
secretion

All Science Journal Classification (ASJC) codes

  • Insect Science

Cite this

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title = "Responses of Diabrotica lemniscata and D. longicornis (Coleoptera: Chrysomelidae) to Stereoisomers of 8-methyl-2-decyl-propanoate and Studies on the Pheromone of D. longicornis",
abstract = "The four stereoisomers of 8-methyl-2-decyl-propanoate (MDP) were tested in the field for attractiveness to Diabrotica longicornis (Say) and D. lemniscata LeConte. Males of both species were attracted to the (2S,8R) isomer, and D. lemniscata was weakly attracted to the (2R,8R) isomer. Tests of the response of D. longicornis to combinations of isomers revealed that the (2R,8R) isomer significantly reduced catch at traps baited with (2S,8R); the other two isomers were without detectable effect. Sex pheromones were collected from virgin female D. virgifera virgifera LeConte and D. longicornis. When used as bait in traps in the presence of males of D. v. virgifera and D. longicornis, the material from D. v. virgifera attracted only conspecific males; that from D. longicornis attracted males of both species. According to electroantennographic monitoring of gas chromatographic effluent with D. longicornis males, a substance obtained from the extracts of filter papers that had been contaminated with secretions from virgin female D. longicornis had retention times coincident with MDP on four gas chromatographic liquid phases.",
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Responses of Diabrotica lemniscata and D. longicornis (Coleoptera : Chrysomelidae) to Stereoisomers of 8-methyl-2-decyl-propanoate and Studies on the Pheromone of D. longicornis. / Krysan, J. L.; Wilkin, P. H.; Tumlinson, III, James Homer; Sonnet, P. E.; Carney, R. L.; Guss, P. L.

In: Annals of the Entomological Society of America, Vol. 79, No. 3, 01.05.1986, p. 742-746.

Research output: Contribution to journalArticle

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AU - Guss, P. L.

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