クワシロカイガラムシの生態

書誌事項

タイトル別名
  • Reproduction of <i>Pseudaulacaspis pentagona</i> TARGIONI (Hemiptera: Diaspididae)
  • クワシロカイガラムシ ノ セイショク ニ ツイテ

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説明

In Pseudaulacaspis pentagona TARGIONI, the eggs of uncopulated females were found to be underdeveloped along with the abonormal parasitic behavior of females leaving their shells. On the basis of the present investigation it was concluded that this species reproduces by amphigory. The ovary of uncopulated young adult females ceased to grow and gradually shrank. In that process the eggs became black like mulberry fruits and finally they collapsed. The uncopulated females secreted white body lipids like silk after leaving the shell, and died without oviposition. Oviposition of normal females was found to take place over a long period of time from the beginning of the adult stage until death.

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