Couplets: 1  2  3  4  5  6  7  8  9  10  11  12  13  14  

Key to Adult Males of Eastern Nearctic Blephariceridae: Couplet 14(13)

Posterior cercal lobe near medial margin...Bl. cherokea Hogue	Posterior cercal lobe equidistant between medial- and outer margin...Bl. chattooga Courtney