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Photo#292375
phorid hovers above Camponotus pennsylvanicus at bait - Apocephalus coquilletti - female

phorid hovers above Camponotus pennsylvanicus at bait - Apocephalus coquilletti - Female
Gray Summit, Franklin County, Missouri, USA
June 19, 2009
Size: 2mm +
This little fly was hovering over carpenter ants that gathered at bait. On one occasion it dove down and apparently injected an egg into the "neck" of an ant, causing the ant to writhe for a moment before recovering its composure and going back to the bait.

See for a (sort of) related post.

Moved
Moved from Scuttle Flies.

fly id
James- Apocephalus coquilletti

Brian

 
Thanks, Brian
According to a revision of the species group to which this fly belongs, sent to me by Dr. Brown, this species is a specialist on two closely related carpenter ants of eastern North America, Camponotus pennsylvanicus, C. chromaiodes.

This is an excellent shot! We
This is an excellent shot! Well done.

 
Wow
Very nice!

 
The trick was
I shot this in fairly low light, in full shade, with a fast flash that froze the wing motion. The fly hovered a lot, making focusing relatively easy.

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