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Published on: February 14, 2013
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Host-marking pheromones in lepidoptera, with special reference to twoPieris spp
1Department of Entomology, Agricultural University, P.O.B. 8031, Wageningen, The Netherlands.
Journal of Chemical Ecology
|November 23, 2013
Summary
Female insects avoid laying eggs near existing ones, using visual and chemical cues. Oviposition-deterring pheromones (ODP) in species like Pieris brassicae are key, offering potential for pest control strategies.
Area of Science:
- Entomology
- Chemical Ecology
- Insect Behavior
Background:
- Adult female insects often avoid ovipositing near conspecific eggs.
- This egg-avoidance behavior is influenced by visual cues and chemical host markers.
Purpose of the Study:
- To investigate the oviposition-deterring pheromones (ODP) in two pierid butterfly species, Pieris brassicae and Pieris rapae.
- To understand the chemical and behavioral aspects of ODP in lepidopteran species.
Main Methods:
- Detailed laboratory and field studies were conducted.
- Analysis of chemical components (volatile and nonvolatile) in female accessory glands.
- Assessing the perception of ODP by antennal and tarsal receptors.
Main Results:
- ODPs are likely produced in female accessory glands and comprise both volatile and nonvolatile elements.
- These pheromones are detected by generalist receptors on antennae and tarsi.
- ODP from P. brassicae influences oviposition in P. rapae, and vice versa.
Conclusions:
- ODPs play a significant role in regulating insect egg-laying behavior.
- ODPs demonstrate potential for developing novel insect pest control strategies.
- Further research on field conditions and oviposition behavior in the presence of ODP is necessary.
