- mason wasp - solitary wasp that constructs nests of hardened mud or clay for the young
--1 is a kind of sphecoid wasp, sphecoid
--1 is a member of Sceliphron, genus Sceliphron- mason wasp - any of various solitary wasps that construct nests of hardened mud for their young
--2 is a kind of vespid, vespid wasp
--2 is a member of Eumenes, genus Eumenes - mason wasp - any of various solitary wasps that construct nests of hardened mud for their young