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標題: Action spectra of phototactic responses of the flea beetle, Phyllotreta striolata
作者: Yang, E.C.
Lee, D.W.
Wu, W.Y.
關鍵字: action spectrum;flea beetle;phototaxis;Phyllotreta striolata;color-vision;chrysomelidae;lepidoptera;coleoptera
Project: Physiological Entomology
期刊/報告no:: Physiological Entomology, Volume 28, Issue 4, Page(s) 362-367.
Adult flea beetles, Phyllotreta striolata, show a strong positive phototactic response. The action spectrum of phototaxis of dark-adapted beetles was measured with minimal required light intensity between the wavelength range of 300 nm and 600 nm. Male and female flea beetles showed identical phototacitc behaviours. The beetles were most sensitive to light with peak wavelengths between 350 nm and 430 nm in the morning. In the afternoon and evening, the sensitivity to wavelengths shorter than 430 nm decreased, but they remained most sensitive to 430 nm. These results suggest that changes in sensitivity of the photoreceptors or nervous integration influence the phototactic responses, and that the blue wavelengths are more attractive than others.
ISSN: 0307-6962
DOI: 10.1111/j.1365-3032.2003.00351.x
Appears in Collections:期刊論文

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