Preference on Color of the Diets in <i>Inazuma dorsalis</i> (Hemiptera: Deltocephalidae)

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  • KOYAMA Kenji
    Division of Entomology, National Institute of Agricultural Sciences

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  • 人工飼料の色に対するイナズマヨコバイの選択性
  • ジンコウ シリョウ ノ イロ ニ タイスル イナズマヨコバイ ノ センタクセイ

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The preference of a leafhopper, Inazuma dorsalis, was tested on diets colored variously in order to develop the effective artificial diets for this leafhopper. When 5% aqueous solution of sucrose was supplied under different color conditions, the leafhopper was most attracted to the diet colored with yellowish light, and then that with greenish light. Reddish, bluish and purplish color were found to have little effect on attracting the leafhopper. The perference for the vitamin solution over the distilled water disappeared when tested under identical color conditions. It is, therefore, concluded that the color of the diet is very important to attract this leafhopper on diet and the yellowish coloration of the diet may improve the artificial rearing of this leafhopper.

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