Insect natural enemies : practical approaches to their study and evaluation / ed. by Mark Jervis and Neil Kidd. Jervis, Mark Kidd, Neil Parasitoids. Parasitic insects. Insects -- Parasites. 595.7 INS Includes bibliographical references and index. London: Chapman & Hall, 1997, c1996. 1997, c1996. 1996 Text x, 491p. : eng