Robber Fly?
Location: Belleville, MI
August 31, 2011 11:09 pm
My Mom found this monster, recently-deceased fly today. Didn’t think it was a house fly…
Signature: Len

Horse Fly

Hi Len,
We believe this is a Horse Fly, and its eyes indicate it is a female, but we are not certain of the species.  It does bear a strong resemblance to a mounted specimen on BugGuide that is identified as
Whitneyomyia beatifica.  We are going to see if Eric Eaton can provide any information. 

Eric Eaton Responds
No, I’m pretty sure it is a species of Tabanus.  I’m not an expert on the group, though….

Location: Michigan

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