GC‐EAG-analysis of volatiles from Brussels sprouts plants damaged by two species of Pieris caterpillars: olfactory receptive range of a specialist and a generalist parasitoid wasp species. - Smid,H..A..; van Loon,J..J..A..; Posthumus,M..A..; Vet,L..E..M.. (Chemoecology, 2002)