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Electrophysiological activity of the Sirex noctilio ovipositor: You know the drill?

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Hayes, R.A., Griffiths, M.W. and Nahrung, H.F. (2015) Electrophysiological activity of the Sirex noctilio ovipositor: You know the drill? Journal of Asia-Pacific Entomology, 18 (2). p. 165. ISSN 12268615

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Article Link: http://dx.doi.org/10.1016/j.aspen.2015.01.003


Sirex woodwasp (Sirex noctilio F: Hymenoptera: Siricidae) is a major worldwide pest of pine (Pinus) species. The female woodwasp undertakes exploratory drills with the ovipositor prior to egg-laying to assess tree suitability. Previous work has shown that this behaviour is associated with assessing the osmotic pressure of the tree. Here we show that, in addition, the ovipositor is electrophysiologically active and capable of detecting ethanol and chemical components of solvent extracts of pine needles and bark. Scanning electron micrographs of the ovipositor show the presence of structures which may have a chemoreceptive function. Our research expands our knowledge of the role that the Sirex ovipositor plays in egg-laying site selection.

Item Type:Article
Business groups:Horticulture and Forestry Science
Keywords:Electrophysiology Forestry Host selection Ovipositor Woodwasp Hymenoptera Sirex Sirex noctilio Siricidae
Subjects:Science > Zoology > Invertebrates > Insects
Forestry > Research. Experimentation
Plant pests and diseases
Science > Entomology
Live Archive:18 Mar 2015 00:03
Last Modified:03 Sep 2021 16:50

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