Doppelmarkierungen zur Bestimmung der absoluten Insektizid- und Flüssigkeitsaufnahme einer Blattlaus

Double-labelling experiments with a14C-labelled thiophosphoric acid ester (Hostathion®) and a solution of 18% saccharose mixed up with THO are described. The tests were performed onAulacorthum circumflexum (Buckt.) (Homoptera, Aphididae). The insecticide and the lipid were administered orally by the sachet-method. The concentration of the insecticide ranged… (More)