Mason Wasp – 8/17/11

Observer: Paul Lauenstein

Observation Date: 8/17/11

Observation Time: 12:15 p.m.

Observation Location: Gavins Pond Dam

Common Name: Mason Wasp

Scientific Name: Monobia quadridens

Comments: Mason wasps are solitary. They have a metallic blue sheen on their wings. Females usually build nests in abandoned holes of other bee and wasp species. Sometimes mistaken for Bald-faced Hornet, but note the position and extent of white on the abdomen.

More Information: What’s That Bug? and Cape May Wildlife Guide