Search Results       Your search for [subject]Flies -- Control -- Biological control -- Netherlands returned 1 record.           Ecology and genetic control of the onion fly, Delia antiqua (Meigen). by Loosjes, Matthijs.; Pudoc, Wageningen: Centre for Agricultural Pub. and Documentation, 1976. Subject: Flies -- Control -- Biological control -- Netherlands; Flies.          Add to Book Cart Relevance: 33.58%