אסיף מאגר המחקר החקלאי

Extreme temperatures reduce encapsulation of insect parasitoids in their insect hosts

Year:

1976

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Volume :

32

Co-Authors:

Blumberg, D., Division of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel

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Abstract:

Low (0°-4°C) and high (40°-48°C) temperatures to which two scales insects:Saissetia coffeae (Walker) and Coccus hesperidum L. (Homoptera: Coccidae) were subjected, before exposure to the encyrtid Metaphycus aff. stanleyi (Compere), reduced egg encapsulation of the parasitoid in the two hosts. Consequently the mass rearing of M. aff. stanleyi was greatly improved. © 1976 Birkhäuser Verlag.

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