Trypoxylon collinum is a species of square-headed wasp in the family Crabronidae. It is found in North America. It nests inside hollow tubes.
Subspecies These two subspecies belong to the species Trypoxylon collinum: Trypoxylon collinum collinum F. Smith, 1856 i g Trypoxylon collinum rubrocinctum Packard, 1867 i c g Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net
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