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Photo#376145
BG2857 E1626 - Anthomyia illocata - female

BG2857 E1626 - Anthomyia illocata - Female
North shore of Lake St. John, on fishing pier., Concordia Parish, Louisiana, USA
July 5, 2008
Size: body length 5.6 mm.
We believe this fly is in the family Anthomyiidae (Root-Maggot Flies). It is a good match for images in the genus Anthomyia.
Placement would be appreciated.
Gayle

Images of this individual: tag all
BG2857 E1626 - Anthomyia illocata - female BG2857 E1626 - Anthomyia illocata - female BG2857 E1626 - Anthomyia illocata - female BG2857 E1626 - Anthomyia illocata - female BG2857 E1626 - Anthomyia illocata - female BG2857 E1626 - Anthomyia illocata - female BG2857 E1626 - Anthomyia illocata - female

Moved
Moved from Anthomyia.

Michael Ackland says "I think it is" [illocata].

Anthomyia illocata?
A comment on diptera.info says the Asian species Anthomyia illocata may occur in southern US. The pattern on the thorax here matches that species.

Confused
Females of Anthomyia in the nearctic region are supposed to have either five spots or two longitudinal stripes on the thorax. If you take out the multi-spotted flies of both sexes that are morphologically A. pluvialis (L.) there are three forms remaining where there should be a male and female form only -- yours with broadly spaced eyes and a transverse dark band across the entire top, males with closely spaced eyes and a similar transverse band, and a Massachusetts form with a transverse dark band shortened. And I don't see the form with two longitudinal stripes at all.


Moved
Moved from Flies. We put flies with these markings in Anthomyia. There are only one or two species that look like this, from what I've read. I'm no expert.

Anthomyiidae, sure
perhaps the best anthomyiid images yet

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