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Bibio marci (female)
Observed: 8th May 2012 By: Martincito
Added: 14th May 2012
Outer spine on front tarsus much longer and stronger than inner spur; basal section of R4+5 at least twice as long as r-m; antennal flagellum with 7 clear segments; legs all black; black hair on abdomen and thorax.