Chalarus Walker, 1834

Ramos-Pastrana, Yardany, Marques, Dayse Willkenia A. & Rafael, José Albertino, 2023, Chalarus (Diptera: Pipunculidae) of Colombia, with description of two new species and an updated key to males of the Neotropical species, Acta Entomologica Musei Nationalis Pragae 63 (2), pp. 383-395 : 384

Chalarus Walker, 1834

Chalarus Walker, 1834: 269 . Type species: Cephalops spurius Fallén, 1816 (subsequent designation by WESTWOOD 1840: 135).

Chalarus : COE (1966: 149, Figs 1–26 ); JERVIS (1985: 435, Figs 1–6 ); RAFAEL (1988: 1, Figs 1–21 ); MORAKOTE & HIRASHIMA (1990: 161, Figs 19–28 ); RAFAEL (1990: 45, Figs 1–15 ); JERVIS (1992: 243, Figs 1–42 ); KEHLMAIER & ASSMANN (2008: 1 , Figs 1 –80); KEHLMAIER & ASSMANN (2010: 1, Figs 1–4 ); RODRÍGUEZ et al. (2012: 121, Figs 1–3 ); MOTAMEDINIA et al. (2022: 10).

Atelenevra Macquart, 1834: 356 (partim). Type species: Pipunculus holosericeus Meigen, 1824 (monotypy) (partim).

Atelenevra : VERRAL (1901):120 (synonymy) (partim); MACQUART (1835): 663 (synonymy) (partim).

Ateleneura Agassiz, 1846: 3 (unjustified emendation).

Diagnosis. Head sub-hemispherical. Frons and ocellar triangle with setae. Males dichoptic. Occiput and face narrow. Cell dm absent and anal vein poorly developed; transverse vein dm-m and vein M 1 absent. Fore and mid femora with a row of long and black setae posterodorsally; hind femur with row of long and black setae anterodorsally. Syntergosternite 7 present in males. Syntergosternite 6 present in females. Epandrium small. Gonopods enlarged. Tip of distiphallus usually with phallic processes (sometimes absent). Phallus trifid and membranous, with ejaculatory ducts symmetric (sometimes reduced).

Figures

Figs 1–11. Chalarus absonus Rafael, 1990 (IAvH–M1271). Male. 1 – habitus, left lateral view; 2 – habitus, dorsal view; 3 – antenna; 4 – thorax, dorsal view; 5 – wing; 6 – abdomen, dorsal view; 7 – terminalia, dorsal view; 8 – left surstylus and gonopod, lateral view; 9 – right surstylus and gonopod, lateral view; 10a – phallic guide, subapical processes and phallus, right lateral view, 10b – phallus dorsal view; 11 – ejaculatory apodeme.

Figs 12–22. Chalarus boyacensis sp. nov. (IAvH–M1271). Holotype male. 12 – habitus, left lateral view; 13 – habitus, dorsal view; 14 – antenna; 15 – thorax, dorsal view; 16 – wing; 17 – abdomen, dorsal view; 18 – terminalia, dorsal view; 19 – left surstylus and gonopod, lateral view; 20 – right surstylus and gonopod, lateral view; 21a – phallic guide, subapical processes and phallus, left lateral view, 21b – phallus dorsal view; 22 – ejaculatory apodeme.

Figs 23–32. Chalarus chairensis sp. nov. (LEUA–00000049759). Holotype, male. 23 – habitus, left lateral view; 24 – habitus, dorsal view; 25 – thorax, dorsal view; 26 – wing; 27 – abdomen, dorsal view; 28 – terminalia, dorsal view; 29 – left surstylus and gonopod, lateral view; 30 – right surstylus and gonopod, lateral view; 31a – phallic guide, subapical processes and phallus, right lateral view, 31b – phallus dorsal view; 32 – ejaculatory apodeme.