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For Insects, Spiders & Their Kin
For the United States & Canada
Photo#6704
Thick-headed Fly - Physocephala

Thick-headed Fly - Physocephala
Amherst, Massachusetts, USA
August 26, 2004
Found in a field near goldenrod. Anyone have any ideas?

Moved

Physocephala
same as my comment on

Thick-headed fly
Either Physocephala or Physoconops, can't keep 'em straight:-). Did you know these flies are parasites of adult bees and wasps? The female fly actually molests its host in midair, and forces its egg between the segments of the host's abdomen. Talk about a drive-by shooting!

 
Physoconops sp.
Thanks Eric,

Definitely a Physoconops, especially after seeing these images on Cedar Creek's site. I'll hafta make a quick guide page...

What I'll do is include both possible genus (Physocephala & Physoconops) on a guide page until we can sort the images out...sound good?

Thick-headed fly?
Take a look at Troy's image: