摘要：During tsetse control operations it may be necessary to determine the effective toxicity and persistence of insecticide residues on vegetation. A simple method for preparing samples of twig bark for bioassay and an exposure apparatus that has been found very satisfactory for exposing tsetse flies to residues on leaves and bark are described. The apparatus is easily manipulated and involves little handling of the test material. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (372K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 811 812 813
