Electrophysiological methods were used to test the visual sensitivity of European grapevine moth, Lobesia botrana (Lepidoptera: Tortricidae) to wavelengths ranging from 300 to 700 nm. For male and females tested, a main, peak response occurred in the 460-540 nm range (blue-green wavelengths) with females having a generally lower response to wavelengths in that range. A second smaller peak was observed for both sexes at the 340-420 nm range. A general linear model indicated that males, virgin females, and mated females did not react differently to changes in wavelength. No moths showed any obvious sensitivity to wavelengths between 580 and 700 nm. Based on our retinal recording data we suggest that UV light traps (≤480 nm) could be utilized alongside pheromone traps when monitoring L. botrana in high risk areas.

Crook, D.J.; Chiesa, S.G.; Warden, M.L.; Nadel, H.; Ioriatti, C.; Furtado, M. (2022-08-21). Electrophysiologically determined spectral responses in Lobesia botrana (Lepidoptera: Tortricidae). JOURNAL OF ECONOMIC ENTOMOLOGY, 115 (5): 1499-1504. doi: 10.1093/jee/toac124 handle: http://hdl.handle.net/10449/76837

Electrophysiologically determined spectral responses in Lobesia botrana (Lepidoptera: Tortricidae)

Chiesa, Serena G.;Ioriatti, Claudio;
2022

Abstract

Electrophysiological methods were used to test the visual sensitivity of European grapevine moth, Lobesia botrana (Lepidoptera: Tortricidae) to wavelengths ranging from 300 to 700 nm. For male and females tested, a main, peak response occurred in the 460-540 nm range (blue-green wavelengths) with females having a generally lower response to wavelengths in that range. A second smaller peak was observed for both sexes at the 340-420 nm range. A general linear model indicated that males, virgin females, and mated females did not react differently to changes in wavelength. No moths showed any obvious sensitivity to wavelengths between 580 and 700 nm. Based on our retinal recording data we suggest that UV light traps (≤480 nm) could be utilized alongside pheromone traps when monitoring L. botrana in high risk areas.
(ERG)
European grapevine moth
Electroretinogram
Spectral sensitivity
Settore AGR/11 - ENTOMOLOGIA GENERALE E APPLICATA
Crook, D.J.; Chiesa, S.G.; Warden, M.L.; Nadel, H.; Ioriatti, C.; Furtado, M. (2022-08-21). Electrophysiologically determined spectral responses in Lobesia botrana (Lepidoptera: Tortricidae). JOURNAL OF ECONOMIC ENTOMOLOGY, 115 (5): 1499-1504. doi: 10.1093/jee/toac124 handle: http://hdl.handle.net/10449/76837
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