Couplet 4.
frons between eyes with sharp projections, points, or ledges (figs. 1.37, 2.89); A1 relatively short, apical rim with sharp flaps (figs. 1.37, 2.89); mandibles strongly projecting, beaklike (figs. 1.37, 2.89, 3, 4); antennal formula 12–14
future couplets
Forewing with glassy, depigmented s... ...
Psilus Panzer
Forewing at most with rudiment of g... ...
Coptera []