Couplets: 1  2  3  4  5  6  7  8  9  

Key to Adults of Holarctic Blephariceridae: Couplet 8(7)

Anterior end of pupae broadly truncate; branchial sclerite bearing microtubercles and usually produced anteriorly beyond cephalic sclerite; scutum usually markedly rugose...Agathon von Röder, Asioreas Brodsky	Anterior end of pupae broadly curved; branchial sclerite glabrous, not extending beyond cephalic sclerite; scutum mostly glabrous...Blepharicera Macquart, Tianschanella Brodsky