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Arcotomus succinctus (Ichneumonid parasitic wasp)
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Taxonomy
Arcotomus succinctus is in the family Ichneumonidae. Ichneumonidae are parasitic wasps that use their long ovipositors to deposit eggs on, into, or near an insect host. It is a large family, with over 3300 described species in North America.
Description
Ichneumonids are typically slender wasps with long ovipositors, sometimes up to twice as long as their body. They have long antennae with 16 or more antennal segments.
Nest Structure
Most Ichneumonids are parasitoids whose larvae feed and develop on a single host, although some species' larvae are mobile and will feed on more than one host. Hosts include a wide range of insects in the orders Hymenoptera, Lepidoptera, Diptera, Coleoptera, Neuroptera, and Mecoptera, and spiders and spider egg sacs. Most Ichneumonids are solitary. We had three nests that were parasitized by Arcotomus succinctus in the Bee Atlas project, but we did not get any information about the insect host from them.
Hole Sizes
No information at this time.
Voltinism
No information at this time.
Activity Period
No information at this time.
References
Triplehorn, C.A and N.F. Johnson. 2005. Borror and DeLong's introduction to the study of insects, 7th ed. Thomson, Brooks/Cole, Australia.
Thank you to John Luhman for identifying all of our Ichneumonid specimens.
Minnesota Record Map
These data are from the Minnesota Bee Atlas project.
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