Key to species of Distoleon from Pakistan

1. Forewing with distinct oblique cubital mark................................................................ 2

-. Forewing without distinct oblique cubital mark.............................................................. 3

2. Wings with white longitudinal stripes; distal part of hind wing with an L-shaped marking at marginal fork of MP1; pterostigma yellow, brown basally (Fig. 3)........................................................ D. sambalpurensis Ghosh

-. Wings without white longitudinal stripes; distal part of hind wing with a pair of separated brownish spots; pterostigma brownish-yellow (Hölzel 1972: fig. 159)..................................................... D. luteomaculatus Hölzel

3. Wings relatively narrow, distal part of forewing at marginal fork of anterior branch of CuA slightly dark and shaded (Hölzel 1972: fig. 156)............................................................................ D. cyrus Hölzel

- Wings relatively broad; distal part of forewing clear without dark markings....................................... 4

4. Cubital mark with distinct brown spot in forewing (Fig. 14); thorax brownish with three distinct longitudinal yellow stripes, lateral yellow stripes of pronotum broader than meso- and metanotum (Fig. 13A).................. D. verendus (Walker)

- Cubital mark without distinct brown spot in forewing (Figs 9 A–B); thorax brownish with three longitudinal yellow stripes, lateral yellow stripes narrow and interrupted on lateral margins of mesonotum but indistinct on metanotum (Fig. 8A)............................................................................................. D. tappa (Walker)