Seasonal flactuation of oriental hornet, vespa orientalis fab., its trapping efficiency and honey bee activities [electronic resource].

Includes references.

The seasonal flactuation and non-chemical control of the oriental hornet, Vespa orientalis- Fab.; which.caused heavy losses in Apiculture development, were carried out during two successive years (2001 and 2002) in the Apiary of Faculty of Agriculture. Ain Shams Univ. The hornet individuals were caught by using t.vo types of traps and counted. The obtained data revealed that the over-wintered hornet queens appeared and reached the maximum in April of both years and continued in May. Hornet workers appeared in May-December and reached their maximum counts in September of both years. Males appeared in September-December with maximum counts in September of both years. A new generation of hornet queens appeared one month later to males (October-December) and reached the maximum count in October of both years. Mated queens were hibernated in sheltered habitats while workers and males were died with the onset of cold weather in late autumn and during winter.

Summary in Arabic.

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