Trypoxylini
Guides
Pisonopsis
square-headed wasps
Pisonopsis is a genus of square-headed wasps in the family Crabronidae, established by W. Fox in 1893. The genus contains five described species distributed across the Americas. Like other members of the tribe Trypoxylini, these wasps are solitary hunters. The genus name refers to their resemblance to the related genus Pison.
Pisonopsis birkmanni
square-headed wasp
Pisonopsis birkmanni is a species of square-headed wasp in the family Crabronidae. It was described by Rohwer in 1909. The species occurs in Central America and North America. Like other members of Trypoxylini, it is a solitary wasp. Observations of this species are sparse, with limited ecological data available.