Ruohomäki, , K, Klemola, T, Shaw, Mark R, Snäll, N, Sääksjärvi, I E, Veijalainen, A and Wahlberg, N (2013) Microgastrinae (Hymenoptera: Braconidae) parasitizing Epirrita autumnata (Lepidoptera: Geometridae) larvae in Fennoscandia with description of Cotesia autumnatae Shaw, sp. n. Entomologica Fennica, 24 (2). pp. 65-80. ISSN 0785-8760

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Abstract

The microgastrine subset of hymenopteran parasitoids of the geometrid Epirrita
autumnata is investigated in Fennoscandia. Ecology, including population dynamics,
of the moth has been intensively studied in northern and mountainous
Finland, Norway and Sweden. Recently supported hypotheses about the causes
of its cyclic population dynamics stress the role of parasitoids, while the
parasitoid complex with some 15 species is insufficiently known. The complex
includes four solitarymicrogastrine species, Protapanteles anchisiades (Nixon),
P. immunis (Wesmael), Cotesia salebrosa (Marshall) and C. autumnatae Shaw,
sp. n. Here, we provide detailed figures for the latter, which is morphologically
close to C. jucunda (Marshall), and describe the species as new to science. We
also providemore general habitus figures of the other three species, as well as an
identification key for the four species, aiming to aid recognition of these species
by ecologists dealingwithmicrogastrine parasitoids of E. autumnata and their alternative
geometrid hosts.

Item Type: Article
Subjects: Q Science > QL Zoology
Theme: Understanding the natural world
Department: Natural Sciences
Depositing User: Ross Anderson
Date Deposited: 26 Feb 2014 17:56
Last Modified: 26 Feb 2014 17:56
URI: http://repository.nms.ac.uk/id/eprint/1151

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