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Feeding behaviour of Bactrocera cacuminata (Hering) (Diptera: Tephritidae) on methyl eugenol: a laboratory assay by S Raghu; Amy E Lawson is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Feeding behaviour of Bactrocera cacuminata (Hering) (Diptera: Tephritidae) on methyl eugenol: a laboratory assay about?

**Abstract** Many dacine (Diptera: Tephritidae) species are attracted to one of two chemical substances, 4‐allyl‐1,2‐dimethoxybenzene (methyl eugenol (ME)) or 4‐(__p__‐hydroxyphenyl)‐2‐butanone (cue lure). Despite the fact that these chemicals or analogs occur naturally, their significance in the biology/ecology of the Dacinae has seldom been examined. In this study, we examine the patterns in feeding behaviour of __Bactrocera cacuminata__ (Hering), a monophagous non‐pest fruit fly, on ME. Based on a laboratory assay, we found that males of this species fed on ME multiple times within a single day and on multiple days. The pattern of repeat feeding was not related to time since previous feeding or duration of prior feeding. Our results contrast those obtained on a similar study on a related polyphagous species (__Bactrocera dorsalis__ (Hendel)). We discuss the implications of our findings with a view to explaining the functional significance of dacine response to these plant‐derived chemicals.

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Author

S Raghu; Amy E Lawson

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 1326-6756)

Published

2003

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)