Family: Crabronidae
Subfamily: Crabroninae
Tribe: Trypoxylini
Length: 13-20 mm
The nest of Trypoxylon politum is made up of parallel rows of mud tubes, and bears a modest resemblance to a pipe organ. The wasp provisions each cell with spiders to serve as the nyphal diet.
In this species the pubescence is white, and there is considerable white on the hind tarsi.
Trypoxylon politum ranges over most of the eastern United States, and onto the Great Plains. It is found as far north as Michigan, New York, and southern Canada.
Above: the Organ Pipe Mud Dauber, nest, with exit holes made by the adult wasps just before taking their first flights.
American Insects site
