Neonate codling moth larvae (Lepidoptera: Tortricidae) orient anemotactically to odor of immature apple fruit

P. J. Landolt, R. W. Hofstetter, P. S. Chapman

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Neonate codling moth larvae, Cydia pomonella (L.) responded positively to the odor of immature apples in an enclosed arena bioassay, in a Y-tube olfactometer, and in a straight tube olfactometer. In the arena bioassay, larvae contacted paper strips treated with apple odor. In the Y-tube olfactometer, larvae moved upwind and into the olfactometer arm carrying apple odor. In the straight tube olfactometer, larvae moved farther upwind per unit time in response to apple odor. Larval orientation to apple odor appeared to involve both an increase in forward speed (orthokinesis) and turning into airflow with increased odor concentrations (chemotaxis).

Original languageEnglish (US)
Pages (from-to)140-149
Number of pages10
JournalPan-Pacific Entomologist
Volume74
Issue number3
StatePublished - Jul 1 1998
Externally publishedYes

Keywords

  • Attraction
  • Codling moth
  • Host-finding
  • Insecta
  • Tortricidae

ASJC Scopus subject areas

  • Insect Science

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