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University of Minnesota Extension

Species guide - species detail

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Pteromalidae (Tiny parasitic wasps)


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Pteromalidae are tiny parasitic wasps. The most common Pteromalidae in Bee Atlas blocks were Dibrachys cavus, but we did have one nest in Hennepin County that produced a different type of Pteromalidae. We did not identify it to genus or species.


No information at this time.

Nest Structure

No host insect emerged from the tunnel which produced the Pteromalidae sp., and no nest plug was recorded.

Hole Sizes

No information at this time.


No information at this time.

Activity Period

No information at this time.


Thank you to John Luhmen for help identifying parasitic wasps

Minnesota Record Map

These data are from the Minnesota Bee Atlas project.

Back to Bee species guide