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Robber fly 1788 - Machimus paropus - female

Robber fly 1788 - Machimus paropus - Female
Monhegan Island, Lincoln County, Maine, USA
September 1, 2005
Found images in the guide of Machimus erythocnemius that looked similar.

Moved from Machimus.

Machimus erythocnemius has on the
pro-femur 1-2 white, and 1-2 black bristles, which this fly does not. The very similar Machimus paropus, however, has 4-6 black bristles on the pro-femur, which this individual does.

I agree that it is Machimus. Hershel's website lists six species for Maine: lecythus, notatus, novaescotiae, paropus, sadyates and snowii. Alas, no M. erythocnemius; of course that's not to say that it isn't possible.:) I think most of the Machs are difficult to seperate from images. Nice shot none-the-less!

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