Latin Name:  Euodynerus leucomelas (de Saussure, 1855)
                        (M. Buck, det.)

Length:   10 - 12 mm

Range:  Throughout Alberta

Habitat:  Various

Time of year seen:  Summer

Diet: Pollen

Other: E. leucomelas makes mud nests in cavities in sumac twigs.  Once the nest is constructed the wasp lays an egg in it and  provisions it with paralyzed moth caterpillars.   The nest is then sealed with a mud plug.  (Buck et al, 2008)