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

Key to Pupae of Eastern Nearctic Blephariceridae: Couplet 5(1)

Integument of abdominal tergites with fine reticulate (areolate) pattern, surface luster of tergites and branchial sclerite very dull...Bl. williamsae Alexander	Integument of abdominal tergites homogeneous or otherwise sculptured, no reticulate pattern, surface luster shiny on at least branchial sclerite...6