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Notes on the biologies of three parasites of the eggs of Entypotrachelus meyeri Kolbe and E. micans Hust. (Col., Curculionidae) laid on tea and Cinchona

Published online by Cambridge University Press:  10 July 2009

Daniel M. Benjamin  and
Willingston M. Demba
Daniel M. Benjamin
Affiliation:
College of Agriculture, University of Wisconsin, Madison, U.S.A.
Willingston M. Demba
Affiliation:
East African Agriculture and Forestry Research Organization, Nairobi, Kenya
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Extract

Three egg parasites, Sozites kerichoensis Kerrich (Ichneumonidae), Oligositoides semicinctium De Santis (Trichogrammatidae), and Platystasius benjamini Nixon (Scelionidae) were reared from egg-masses of two closely related Entypotrachelus species indigenous in the tropical rain forest of Kenya. E. meyeri Kolbe occurs west of the Rift Valley, and E. micans Hust. occurs in the foot-hills south and west of Mt. Kenya, east of the Rift Valley. When the forests are cleared, both species transfer from forest trees, weeds and shrubs to newly planted tea and Cinchona spp. where the larvae feed on the roots and the adults feed and oviposit on the leaves.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 59 , Issue 3 , December 1969 , pp. 473 - 478
Copyright
Copyright © Cambridge University Press 1969

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References

De Santis, L. (1969). A new Ethiopian Trichogrammatid (Hym.) parasite of the eggs of Entypotrachelus (Col., Curculionidae).—Bull. ent. Res. 59, 465–467.CrossRefGoogle Scholar
Kerrich, G. J. (1969). Description of an Ichneumonid (Hym.) that preys on egg-masses of weevils harmful to tea culture in Kenya.—Bull. ent. Res. 59, 469–472.CrossRefGoogle Scholar
Nixon, G. E. J. (1969). Two new species of Platystasius Nixon with a note on the generic relationship between Platystasius and Fidiobia Ashmead.—Proc. ent. Soc. Wash. 71, 445–449.Google Scholar