IT is well known that BHC affects earthworms and soil insects. A review of these problems has been given by Satchell1. Nature - Effect on Earthworm and Diptera Populations of BHC Dust applied to Soil ...

A Strain of Anopheles gambiaefrom Northern Nigeria, highly resistant to dieldrin and cross-resistant to the related chlorinated hydrocarbon insecticides (chlordane, aldrin, isodrin, endrin and ...