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

Key to Adult Males of Eastern Nearctic Blephariceridae: Couplet 6(5)

Posterior margin of cercus with elongate, medially directed hook near inner edge; dorsal paramere without medial dorsal carina...Bl. magna Courtney	Posterior margin of cercus with blunt, ventrally projected lobe near inner edge; dorsal paramere with medial dorsal carina...Bl. coweetae Hogue & Georgian