Natural Enemies of the Pear Leaf-curling Midge, Perrisia pyri, Bouché (Dipt., Cecidom.)

Publisher: Cambridge University Press

E-ISSN: 1475-2670|18|2|129-138

ISSN: 0007-4853

Source: Bulletin of Entomological Research, Vol.18, Iss.2, 1927-12, pp. : 129-138

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Abstract

There are three main parasitoids and one very efficient predator associated with Perrisia pyri in France. Of these, at least during July and August, the predacious Capsid, Pilophorus perplexus, achieves the greatest destruction of midge larvae.