Sibling Cannibalism in the First Instar Larvae of Harmonia axyridis PALLAS (Coleoptera, Coccinellidae)

スポンサーリンク

概要

• 論文の詳細を見る

• The hatching of egg batches of a predacious coccinellid, Harmonia axyridis, was precisely observed and the effect of sibling cannibalism on the survival of the 1st instar larvae was experimentally examined. More than one fourth of the eggs were eaten by the larvae which hatched in advance from the same egg batches. The hatching in an egg batch lasted for several hours and the larvae ate not only infertile eggs but also fertile ones which would hatch later. The 1st instar larvae frequently failed to capture aphid when they encountered it. The life span of the 1st instar larvae which ate only one egg was twice as long as that of unfed larvae. Since egg batches were often deposited on leaves uninfested with aphids, it would be difficult for the 1st instar larvae to obtain aphids. It seems probable that the sibling cannibalism is effective for securing the survival of the 1st instar larvae.

• 日本昆虫学会の論文
• 1978-03-25

著者

• Kawai Akira

  Entomological Laboratory College Of Agriculture Kyoto University:(present Address)entomological Labo

関連論文

• Sibling Cannibalism in the First Instar Larvae of Harmonia axyridis PALLAS (Coleoptera, Coccinellidae)

スポンサーリンク