oa Journal of the Entomological Society of Southern Africa - A Biological evaluation of the effects, two years after application to the soil, of Aldrin, Chlordane and Dieldrin, on workers of the Argentine Ant Iridomyrmex humilis (Mayr)

Volume 18, Issue 2
  • ISSN : 0013-8789



In the course of investigating the effectiveness of these insecticides against the Argentine ant in vineyards the following treatments were carried out. On 14.4.53 each of the insecticides was applied broadcast to the soil of different field plots at Stellenbosch. Two years later field observations indicated that the treated soils remained toxic to the pest. The laboratory experiments reported here, were designed with the object of gaining more information about the relative degree of toxicity of the different soils.

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