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University of Minnesota Extension

Species guide - species detail

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Monodontomerus minor (Small parasitic wasp)



Monodontomerus minor is a species of parasitic wasp in the family Torymidae.


Monodontomerus minor are small, metallic blue/green wasps that emerge in groups from parasitized nests.

Nest Structure

Monodontomerus minor are nest parasites, and usually parasitized Osmia lignaria nests in Bee Atlas blocks. They also occasionally parasitized Megachile relativa and sphecid wasps.

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