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The Spraying of Bags of Cocoa Beans with a Macrodosage of DDT against Ephestia and Tribolium

Published online by Cambridge University Press:  10 July 2009

K. G. Smith
K. G. Smith
Affiliation:
Entomologist, West African Pest Infestation Survey, Lagos.
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Extract

The surfaces of bags containing fumigated cocoa were sprayed with the macrodosage of 956 mg./sq. ft. DDT applied as a 5 per cent, suspension of wettable powder in water.

After exposure to an infestation of Ephestia cautella and Tribolium castaneum, no appreciable effect was obtained in preventing an attack by E. cautella, though the larvae appeared to choose unusual pupation sites on the surface of the bags. T. castaneum were rapidly affected and prevented from entering into the sacks.

Type
Research Article
Information
Bulletin of Entomological Research , Volume 43 , Issue 2 , July 1952 , pp. 313 - 315
Copyright
Copyright © Cambridge University Press 1952

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References

Golding, F. D.. (1941). Two new methods of trapping the cacao moth (Ephestia cauetlla). — Bull. ent. Res., 32, pp. 123–132.CrossRefGoogle Scholar