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Photo#266352
March flies mating - Bibio - male - female

March flies mating - Bibio - Male Female
Puyallup, Pierce County, Washington, USA
April 15, 2009
Size: 10 mm ea

Images of this individual: tag all
March flies mating - Bibio - male - female March flies mating - Bibio - male - female March flies mating - Bibio - male

Near xanthopus
This is probably Bibio xanthopus, palliatus, or (least likely) similis.

Tibia
The swollen hind tibia of the male are useful for ID (though shared by more than one species).

Do you have a shot close enough to count antenna segments?

 
eyes
I added an image. I didn't specifically shoot any close-up head shots, but this one looks like it will work.

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