Ultraviolet and violet light: attractive orientation cues for the Indian meal moth, Plodia interpunctella
Ultraviolet and violet light: attractive orientation cues for the Indian meal moth, Plodia interpunctella
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DOI：
10.1111/j.1570-7458.2009.00838.x
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发表时间：
2009-05-01
影响因子：
1.9
通讯作者：
Gries, Gerhard
中科院分区：
文献类型：
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作者：
Cowan, Thomas;Gries, Gerhard
印度谷蛾Plodia interpunctella（Hubner）（鳞翅目：螟蛾科）在暗相的黄昏时分进行长距离或觅食飞行，此时蓝光主导天空的辐照光谱。我们测试的假设，IMM使用可见的蓝色/紫色光的波长作为方向线索，触发趋光反应。在四种选择的实验室实验中，蓝光（400-475 nm）在吸引雄性和交配雌性方面比绿色（475-600 nm）、橙子（575-700 nm）或红色（590-800 nm）光显著更有效。在随后的实验中，测试发光二极管（LED）发射的峰值波长在蓝色/紫光范围内，405纳米的“紫色”LED比435，450或470纳米的“蓝色”LED在吸引男性以及处女和交配女性方面更有效。在视网膜电图记录中，405 nm波长比350 nm（UV）波长引起女性和男性眼睛的受体电位显着更强，在行为实验中，它显着增强了紫外线的吸引力。在600-700 mu W/cm（2）的紫外光或无紫外光下，IMM对405 nm LED的吸引力相等，在最大光强度下，对405 nm LED的吸引力明显强于对350 nm LED的吸引力，这表明使用紫光而不是紫外光可能成为控制IMM的几种管理策略之一。
The Indian meal moth (IMM), Plodia interpunctella (Hubner) (Lepidoptera: Pyralidae), engages in long-distance or foraging flights in the twilight hours of the scotophase when blue light dominates the irradiance spectrum of the sky. We tested the hypothesis that IMM uses wavelengths of visible blue/violet light as orientation cues that trigger phototactic responses. In four-choice laboratory experiments, blue light (400-475 nm) was significantly more effective than green (475-600 nm), orange (575-700 nm), or red (590-800 nm) light in attracting males and mated females. In subsequent experiments that tested light emitting diodes (LEDs) emitting peak wavelengths in the blue/violet-light range, the 405-nm 'violet' LED was significantly more effective than the 435-, 450-, or 470-nm 'blue' LED in attracting males as well as virgin and mated females. In electroretinogram recordings, the 405-nm wavelength elicited significantly stronger receptor potentials from female and male eyes than the 350-nm (UV) wavelength, and in a behavioral experiment it significantly enhanced the known attractiveness of UV light. Equal attraction of IMMs to 405-nm LEDs at 600-700 mu W/cm(2) with or without UV light, and significantly stronger attraction to a 405-nm LED than to a 350-nm LED at maximum light intensities, suggest that the deployment of violet instead of UV light could become one of several management tactics for control of IMMs.