Trypoxylon frigidum is a species of square-headed wasp in the family Crabronidae. It is found in North America.
Subspecies These two subspecies belong to the species Trypoxylon frigidum: Trypoxylon frigidum cornutum Gussakovskij, 1932 Trypoxylon frigidum frigidum Gussakovskij, 1932
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