Thick-headed Fly – 7/7/18

Observer: Paul Lauenstein

Observation Date: 7/7/18

Observation Time: 1:45 p.m.

Observation Location: Moose Hill Farm (TTOR)

Common Name: Thick-headed Fly

Scientific Name: Physocephala tibialis

Comments: This family of flies is a parasite of solitary bees, and sometimes wasps.  The female grabs the host while in flight and forces an egg between the bee’s abdominal segments.

More Information: NatureSearch