Studies on the Colour Variation in Larvae of Ephestia kuhniella ZELLER (Lepidoptera : Phycitidae) II. Effect of Environmental Factors on the Larval Pigmentation

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概要

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• Effects of six environmental factors, i.e. medium, lighting conditions, crowding, starvation, relative humidity, and temperature, on the larval pigmentation of Ephestia kuhniella ZELLER were studied using two pure lines which differed in colour. Except for the lighting conditions, the other five environmental factors affected larval pigmentation. Degree of pigmentation in larval integument increased when larvae were reared on wheatfeed and rice bran and decreased when they were reared on corn flour. High population density, more than 3 days' starvation, and low relative humidity increased larval pigmentation. Especially temperature had the most marked effect, namely the higher the temperature, the darker the larval colour became. Interactions between genotype and environmental factors, such as medium, crowding, relative humidity, and temperature, were found.

• 日本応用動物昆虫学会の論文
• 1982-02-25

著者

• Imura Osamu

  Entomology Laboratory National Food Research Institute

関連論文

• Studies on the Colour Variation in Larvae of Ephestia kuhniella ZELLER (Lepidoptera : Phycitidae) II. Effect of Environmental Factors on the Larval Pigmentation
• Studies on the Colour Variation in Larvae of Ephestia kuhniella (ZELLER)(Lepidoptera, Phycitidae) : 1. On the Inheritance of colour variation

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