Evidence of an attractant from virgin females of Bephratelloides pomorum (Hymenoptera: Eurytomidae): possible role of cuticular compounds

The Annona seed borer, Bephratelloides pomorum (Hymenoptera: Eurytomidae), is the most important insect pest of soursop, Annona muricata L. The female lays eggs directly into the most recently formed seeds of developing fruit where the larvae remain feeding until pupation. When fully developed, the...

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Bibliographic Details
Published in:Pesticide Science 1998-11, Vol.54 (3), p.311-313
Main Authors: Nascimento, R.R. do, Lima, I.S. de, Mendonca, M.L. de, Silva, L.C.N. da, Duarte, A.G, Sant'Ana, A.E.G
Format: Article
Language:English
Subjects:
Annona sp
attractants
Bephratelloides pomorum
Bephratelloides sp
Biological and medical sciences
chemical analysis
Eurytomidae
Fundamental and applied biological sciences. Psychology
GC-MS
Generalities
insect control
mating behavior
Phytopathology. Animal pests. Plant and forest protection
Protozoa. Invertebrates
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Summary:The Annona seed borer, Bephratelloides pomorum (Hymenoptera: Eurytomidae), is the most important insect pest of soursop, Annona muricata L. The female lays eggs directly into the most recently formed seeds of developing fruit where the larvae remain feeding until pupation. When fully developed, the young wasps make a channel to emerge from the fruit, ready to copulate. Males are attracted to females and display a peculiar behaviour which consists of three steps: endognathion, lateral bouncing and wine vibrations. Experiments carried out in semi-field and laboratory conditions showed that males also behave similarly in the presence of filter paper impregnated with a hexane extract of the female's body, suggesting that female B. pomorum produce an attractant which enables males to find them. The hexane extracts of females, analysed by GC-MS, were shown to consist mainly of a mixture of straight- and branched-chain hydrocarbons and esters.
ISSN:0031-613X
1526-498X
1096-9063
DOI:10.1002/(SICI)1096-9063(1998110)54:3<311::AID-PS835>3.0.CO;2-Q