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Robber Fly - Laphria - male

Robber Fly - Laphria - Male
Adams County, Pennsylvania, USA
May 28, 2008
Size: 1 inch
I am fairly certain this is a Laphria sericea (male) I would like to know what the white circular object is at the base of the hind legs? I saw this same thing on other photos on BG.

Please correct or confirm my ID,


Images of this individual: tag all
Robber Fly - Laphria - male Robber Fly - Laphria - male

Moved from / aktis complex.

The circular thing at the
base of the wing is the haltere, a kind of balancing organ that true flies (Diptera) have instead of hind wings.

Thanks for your response. Much appreciated.


Moved from / atkis complex.

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