Dacnusa sibirica (parasitoid)
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Dacnusa sibirica (parasitoid) Telenga, 1935
This wasp is a parasitoid of leafminers and is commercially produced and available in several countries. It is used mainly against Liriomyza in greenhouses. Common targets are the American serpentine leafminer (Liriomyza trifolii), the pea leafminer (Liriomyza huidobrensis) and the tomato leafminer (Liriomyza bryoniae). It may be sold in mixtures with Diglyphus isaea.
D. sibirica is native to Europe, but extended its distribution in the 1990s to parts of Asia and Africa. It is a solitary, konobiont endoparasitoid and adults are 2-3 mm long and black. Females parasitise young Liriomyza larvae and lay an egg into it. The leafminer continues its development and after 2-3 weeks, the parasitoid has completed its own development and the wasp emerged from the leafminer pupa which subsequently dies. On the suitability of different leafminer hosts, see for example Abe et al. (2005).
