Phase Polymorphism of the Larger Pellucid Hawk Moth, Cephonodes hylas L. (Sphingidae) II : Effects of density in the successive generations (Agriculture)

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  • オオスカシバの相変異-2-累代飼育における密度の影響〔英文〕
  • オオスカシバ ノ ソウ ヘンイ 2 ルイダイ シイク ニ オケル ミツド ノ エイキョウ エイブン
  • オオスカシバの相変異 II : 累代飼育における密度の影響(農学部門)

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Abstract

The transmission of density effects to successive generations of the larger pellucid hawk moth was investigated. The larvae were reared at densities of one and two individuals per container, 12×3cm, at 24℃. The coloration of the F_1 generation larvae was not affected by both the parental density conditions during their larval periods and the parental colour types exhibited clearly in the fifth instar of larvae. It changed progressively from pale to dark, depending upon the population density in each generation. The transmission of density effects from one generation to another was concerned with the rates of the larval and pupal developments and mortality.

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