Biology and immature stages of Panteles schnetzeanus (Hymenoptera: Ichneumonidae), a parasitoid of Lampronia fuscatella (Lepidoptera: Incurvariidae)
Panteles schnetzeanus (Roman), a parasitoid of the gall-forming incurvariid moth Lampronia fuscatella (Tengström) and currently placed in the Stilbopinae, is shown to be a solitary koinobiont larval endoparasitoid. The large dark-pigmented eggs possess a hook-like tail which is embedded in host tissue, typically at the posterior or anterior end of the host. In cases of superparasitism, which represented 70% of cases, only a single egg hatches. The first instar, prepupa and final larval instar head capsules are described and illustrated. Many differences between the biology of Panteles and of Stilbops are discussed. Circumstantial evidence that suggests that Panteles may have an alternative host is also presented based on the emergence dates for it and the Lampronia together with the size, number and placement of the Panteles eggs. DNA sequence data additionally provide the first record of a eupelmid as attacking a gall-forming incurvariid/parasitoid system, though it is not clear whether this was an hyperparasitoid on the Panteles or a primary on the incurvariid.
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Document Type: Research Article
Affiliations: Department of Entomology The Natural History Museum London UK
Publication date: 01 February 2005