Paraclius latipes (Aldrich, 1901)

Soares, Matheus M. M., Capellari, Renato S. & Ale-Rocha, Rosaly, 2023, New or little-known Neotropical Dolichopodidae (Diptera) (II): genus Hercostomus Loew excluded from the Neotropics, Zootaxa 5254 (2), pp. 181-208 : 191

Key to males of the latipes -group of Paraclius

1 Tarsus I dorsoventrally flattened ( Fig. 8E–G ); middle of face narrower than ocellar tubercle ( Figs 7B , 8C )..................................................... P. latipes (Aldrich) [ Costa Rica, Grenada and Saint Vincent and Grenadines]

- Tarsus I cylindrical or nearly so ( Fig. 11E, F ); middle of face as wide as ocellar tubercle ( Figs 6B , 10D , 11B )............ 2

2 Hypopygium distinctly shorter than abdomen ( Fig. 10A ); cercus yellow...................................................................................................... P. panamensis (Van Duzee) comb. nov. [ Panama]

- Hypopygium as long as abdomen or nearly so ( Figs 6A , 8B , 11D ); cercus pale brown or brownish.................... 3

3 Mesonotum with strong bluish reflections ( Fig. 11A ); ventral branch of cercus truncated at apex with several strong setae at apex ( Figs 11D , 12D )...................................................... P. norrbomi sp. nov. [ Costa Rica]

- Mesonotum with coppery to greenish reflections ( Fig. 8A ); ventral branch of cercus with pointed apex, without strong setae at apex ( Robinson 1964, fig. 112)................................... P. aberrans Robinson [ USA (Texas) and Mexico]

Figures

FIGURE 6. Paraclius aberrans Robinson, male holotype (NMNH). A–C. Habitus in lateral, anterior and dorsal views, respectively; D. Labels. Images B and C originally lacked scale bars. Photographs by Alyssa Seemann, NMNH.

FIGURE 7. Paraclius latipes (Aldrich), male syntype (NMNH). A. Habitus, lateral view; B. Head, anterior view; C. Labels; D. Tarsus I, posterior view; E. Left wing. Images B, D and E originally lacked scale bars. Photographs by Alyssa Seemann, NMNH.

FIGURE 8. Paraclius latipes (Aldrich), identified male specimen from Costa Rica. A. Habitus, lateral view; B. Abdomen and hypopygium, lateral view; C. Head, anterior view; D. Left antenna, inner view; E–G. Tarsus I in dorsal, anterior and ventral views, respectively (arrow pointing to ventral whitish pile on tarsus I); H. Left wing.

FIGURE 10. Paraclius panamensis (Van Duzee) comb. nov., male holotype (AMNH). A. Habitus, lateral view; B. Head and thorax, lateral view; C. Labels; D. Head, anterior view; E. Abdomen and hypopygium, lateral view. Images originally lacked scale bars. Photographs by Courtney Richenbacher, AMNH.

FIGURE 11. Paraclius norrbomi sp. nov., male holotype (CNC) (before dissection). A. Habitus, lateral view; B. Head, anterior view; C. Head, lateral view; D. Abdomen and hypopygium, lateral view; E, F. Tarsus I, ventral and anterior views, respectively; G. Left wing.

FIGURE 12. Paraclius norrbomi sp. nov., male holotype(CNC).A, B. Hypopygium, not macerated and macerated, respectively, left lateral view; C. Internal appendages, right lateral view; D. left cercus, outer view; E. Hypandrium, right lateral view; F. Right ventral lobe of surstylus, inner view; G. Right dorsal lobe of surstylus, inner view. Abbreviations: apv lb = apicoventral epandrial lobe; bs sp = basal sclerite of sperm pump; cerc = cercus; d sur = dorsal lobe of surstylus; ej apod = ejaculatory apodeme; epand = epandrium; hypd = hypandrium; hypd pr = hypandrial process; pgt = postgonite; ph = phallus; prct = proctiger; sp = sperm pump; v sur = ventral lobe of surstylus.