The Number of Larval Instars in Ooencyrtus Species (Hymenoptera, Encyrtidae) :

NDL Digital Collections
  • TAKASU,Keiji
    Division of Insect Natural Enemies, Institute of Biological Control, Faculty of Agriculture, Kyushu University
  • HIROSE,Yoshimi
    Division of Insect Natural Enemies, Institute of Biological Control, Faculty of Agriculture, Kyushu University

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Description

The mandibles of the larvae of Ooencyrtus nezarae ISHII parasitizing the egg of the bean bug, Riptortus clavatus THUNBERG, were observed in detail to determine the number of the larval instars in this parasitoid. The observation showed that O. nezarae larvae have five distinct instars. Based on our observation, the number of larval instars in other species of Ooencyrtus is also considered to be five.

Journal

  • 昆蟲

    昆蟲 57 (2), 398-401, 1989-06-25

    東京昆蟲學會

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