Parasycorax Duckhouse, 1972

Rossito, Lucas & Pinho, Luiz Carlos, 2019, A new species of Parasycorax and new records of Sycorax (Diptera: Psychodidae Sycoracinae) from southern Brazil, Zootaxa 4691 (1), pp. 89-92 : 89

Key to males of extant species of Parasycorax Duckhouse (modified from Santos et al., 2009)

1. Gonostylus with multiple branches....................................................................... 2

- Gonostylus simple, without branches...................................................................... 3

2. Gonostylus bifurcate at base; outer branch with five spiniform bristles inserted apically, one elongate spiniform bristle inserted at base; mesal branch simple, elongate, sigmoidal in shape, darkly sclerotized ( Fig. 7 ); Brazil....... P. sigmoidalis sp. nov.

- Gonostylus bifurcate at base; outer branch with two spiniform bristles inserted apically; mesal branch bifurcate, darkly sclerotized (Santos et al., 2009; Fig. 15); Brazil................................. P. bidentis Santos, Ferreira & Bravo, 2009

3. Gonostylus with two spiniform bristles inserted at apex; Philippines........................ P. filipinae ( Quate, 1965)

- Gonostylus set with three or more spiniform bristles......................................................... 4

4. Gonostylus set with three spiniform bristles; one inserted at apex, two on mesal surface (Santos et al., 2009; Fig. 6 ); Brazil............................................................................... P. satchelli ( Barretto, 1956)

- Gonostylus set with at least fifteen bristles of varying shape; Colombia....... P. utriensis ( Bejarano, Duque & Vélez, 2008)

Figures

FIGURES 1–7. Parasycorax sigmoidalis sp. nov., male. 1. Wing. 2. Flagellomeres V and VI. 3. Scape, pedicel and flagellomere I. 4. Palpus. 5. Cerci and hypoproct. 6. Parameres, aedeagus and ejaculatory apodeme. 7. Gonocoxite and gonostylus, dorsal view.