Wing venation of fore wing as in these figures (with submarginal, marginal, and stigmal veins clearly evident and postmarginal vein also usually distinct)
1.Fig. 1.
2.Fig. 2.
3.Fig. 3.
future couplets
Venation of different form, either more developed (Fig. 1) or less developed, without postmarginal vein and without veins in distal half of wings (Figs. 2-4).
1.Fig. 1.
future couplets
