Female sexual response to male rectal volatile constituents in the fruit fly, Bactrocera carambolae (Diptera

Tephritidae)

Wee Suk Ling, Keng Hong Tan

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The production of a major component, 6-oxo-1-nonanol and a minor compound, N-3-methylbutyl acetamide in the male rectal gland of Bactrocera carambolae, a fruit pest of economic importance, increased concomitant with age, and their peak production corresponded with sexual maturity. During courtship period, these endogenous components were released unchanged into the air as visible smoke by a group of 100-150 males in a glass chamber. Male emissions elicited upwind flight via zigzag anemotaxis, and attracted more conspecific virgin females than males in wind tunnel assays. When these components were assayed individually, both 6-oxo-1-nonanol and N-3-methylbutyl acetamide elicited significant female responses toward the source chemicals, although the response was less than that for live males. The results suggested that these volatile components are involved in the intraspecific communication by playing a role as sex pheromones during courtship of B. carambolae.

Original languageEnglish
Pages (from-to)365-372
Number of pages8
JournalApplied Entomology and Zoology
Volume40
Issue number2
DOIs
Publication statusPublished - 25 Aug 2005
Externally publishedYes

Fingerprint

Bactrocera carambolae
Tephritidae
fruit flies
acetamides
courtship
wind tunnels
virgin females
smoke
sex pheromones
sexual maturity
animal communication
glass
flight
pests
air
economics
fruits
assays

Keywords

  • 6-oxo-1-nonanol
  • Bactrocera carambolae
  • Male rectal gland
  • N-3-methylbutyl acetamide
  • Sexual response

ASJC Scopus subject areas

  • Insect Science

Cite this

Female sexual response to male rectal volatile constituents in the fruit fly, Bactrocera carambolae (Diptera : Tephritidae). / Suk Ling, Wee; Tan, Keng Hong.

In: Applied Entomology and Zoology, Vol. 40, No. 2, 25.08.2005, p. 365-372.

Research output: Contribution to journalArticle

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