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Dibrachys cavus (Parasitic wasp)
Taxonomy
Taxonomy
Dibrachys cavus is a small parasitic wasp in the family Pteromalidae. Dibrachys cavus was a relatively uncommon parasitic wasp in Bee Atlas blocks, and was mostly found in the northern part of the state, particularly along the north shore of Lake Superior.
Description
Description
Dibrachys cavus is a very small wasp with a dull metallic blue-green head and thorax and a black abdomen.
Bee Atlas specimen (Photo courtesy of Thea Evans)
Nest Structure
Nest Structure
Dibrachys cavus have been reared from a very wide range of insect hosts. In Bee Atlas blocks, they emerged from the nests of Megachile pugnata, and from tunnels that also produced Chrysidid wasps, Melittobia wasps, and Lepidoptera.
Hole Sizes
Hole Sizes
No information at this time.
Voltinism
Voltinism
No information at this time.
Activity Period
Activity Period
No information at this time.
References
References
Peters, R. S. & Baur, H. A revision of the Dibrachys cavus species complex (Hymenoptera: Chalcidoidea: Pteromalidae). Zootaxa 2937, 1–30 (2011). Thank you to John Luhmen for help identifying parasitic wasps.
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