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Katarina Hedlund, Louise E. M. Vet, Marcel Dicke, Generalist and Specialist Parasitoid Strategies of Using Odours of Adult Drosophilid Flies When Searching for Larval Hosts, Oikos, Vol. 77, No. 3 (Dec., 1996), pp. 390-398
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Hedlund et al. (1996) studied this question.
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