Distoleon

Hassan, Muhammad Asghar, Zheng, Yuchen & Liu, Xingyue, 2020, Taxonomic notes on the antlion genus Distoleon Banks (Neuroptera: Myrmeleontidae) from Pakistan, Zootaxa 4869 (3), pp. 347-368 : 348-349

Key to species of Distoleon from Pakistan

-. 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)

Figures

FIGURE 3. Distoleon sambalpurensis Ghosh. Right fore- and hind wing. Scale bar: 2.0 mm.

FIGURE 8. Distoleon tappa Walker. A. Thorax, dorsal view; B. Face; C. Head and pronotum, dorsal view. Scale bar: 1.0 mm (A); 0.5 mm (B, C).

FIGURE 9. Distoleon tappa Walker. A. Male right wing; B. Female right wing. Scale bar: 2.0 mm.

FIGURE 13. Distoleon verendus Walker. A. Thorax, dorsal view; B. Face; C. Head and pronotum, dorsal view. Scale bar: 1.0 mm (A); 0.5 mm (B, C).

FIGURE 14. Distoleon verendus Walker. Right fore- and hind wing. Scale bar: 2.0 mm.