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Project Noah Nature School
Poecilanthrax arethusa
Brown and black fly with dark, patterned wings.
Grass in coastal scrub. The range is "From nearctic Mexico (CI, GR, EM, MR, SO, VZ) north to U.S.A. (AZ, CA, CO, NE, NM, TX, UT, WY)" - BugGuide
Spotted on Sep 18, 2012
Submitted on Sep 18, 2012
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