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Forskningsartikel - Refereegranskat, 2010

Saproxylic parasitoid (Hymenoptera, Ichneumonoidea) communities in managed boreal forest landscapes

Stenbacka, Fredrik; Hjältén, Joakim; Hilszczanski, Jacek; Ball, John; Gibb, Heloise; Johansson, Therese; Pettersson, Roger; Danell, Kjell

Sammanfattning

4. The general distribution pattern revealed no significant differences in species richness among stand types, but parasitoid assemblages were affected by forest successional stage. Idiobionts, dominated by Ontsira antica and Bracon obscurator, preferred clear-cuts over forested sites, while koinobionts, especially Cosmophorus regius, were more common in mature forests and reserves. We conclude that the stand types studied were complementary in assemblage composition, but that none held a complete assemblage of saproxylic parasitoids and we suggest that a range of successional stages be retained to help conserve the entire parasitoid community.

Nyckelord

Complementarity of sampling methods; dead wood; emergence trap; flight intercept trap; forestry; habitat requirements; parasitoid-host associations

Publicerad i

Insect Conservation and Diversity
2010, Volym: 3, nummer: 2, sidor: 114-123
Utgivare: WILEY-LISS