Published online by Cambridge University Press: 31 May 2012
In order to expedite the study of the effects of various biologically active chemicals upon the blood cells of insects a rapid clinical type method was needed that would allow preparations to be made with small (1 microliter or less) samples of blood which could be drawn without sacrificing the insect, and could be fixed and stained quickly for examination. A method meeting these requirements for the study of the blood cells of the American and German cockroaches has been developed.