Chalarus sp.

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 : 389-394

Chalarus sp. (unidentified females)

Material examined. (46 ♀♀ belonging to 14 morphospecies could not be associated with males). COLOMBIA, Amazonas, PNN[Parque Nacional Natural] Amacayacu, Matamata, / 03º23’S / 70º06’W, 300 m [eters], 23–30.Oct[x].2000, / A. Parente M850 (1 ♀ IAvH); // idem 14–21.ago[ VIII].2000, M848 (1 ♀ IAvH); // idem 25.sep[ IX] –09.oct [x].2000, M851 (1 ♀ IAvH); // idem 150 m [eters], 15–20. Nov[ XI].2000, M1120 (1 ♀ IAvH); // idem 17.dic[ XII]. 1999–02. Ene [I].2000, M123 (1 ♀ IAvH); // idem San Martín, 05–13.dic [ XII].2000, B. Armando Leg. M1312 (1 ♀ IAvH); // idem 07–28.05 [ V].2001, M1866 (1 ♀ IAvH); // Bolivar, PNN[Parque Nacional Natural] Santa Marta, El Ramo, / 10º48’N / 73º39’W, 2500 m [eters], 22.Nov[ XI]–15.Dec[ XII].2000, / J. Cantillo M1047 (1 ♀ IAvH); // idem Boyacá, SFF[Santuario de Fauna y Flora] Iguaque, / Cab.[Cabaña] Chaina, 5º25’N / 73º27’W, 2550 m [eters], / 01–14.feb[ II].2001, A. Roberto M1271 (10 ♀♀ IAvH); // idem 2600 m [eters], 31. VIII –16. IX.2001 (1 ♀ IAvH); // idem 10–28. VI.2001, P. Reina leg. M1836 (1 ♀ IAvH); // idem Qda.[Quebrada] Carrizal, 3360 m [eters], 04–21. dic[ XII].2000, M1078 (1 ♀ IAvH); // idem Cabaña Carrizal, 2855 m [eters], 01–23.Sep[ IX].2000, M614 (1 ♀ IAvH); // idem 2850

m[eters], 02–22. VIII.2001, M2026 (1 ♀ IAvH); // idem Cabaña Chaina, 2600 m [eters], 31. VIII –16.ix.2001, A. Roberto. M2066 (2 ♀♀ IAvH); // idem Cerro Pan de Azúcar, 3300 m [eters], Malaise, 2–22. VIII.2001, P. Reina leg. M2023 (1 ♀ IAvH); // idem La Planada, 5º25’12’’N / 73º27’24’’W, 2975 m [eters], 01–19.IV.2000, Malaise 8 (1 ♀ IAvH); // idem Lagunillas, 3380 m [eters], 09–24.Feb[ II].2001, M1272 (1 ♀ IAvH); // idem 3360 m [eters], 25.jun[ VI]–13.jul[- VII].2000, Malaise 4 (1 ♀ IAvH); // idem 09–18. III.2001, M1511 (1 ♀ IAvH); // idem La Planada, 2850 m [eters], 02–19.apr[ IV].2000, M32 (1 ♀ IAvH); // idem 21.I.–07.II.2001, M1249 (1 ♀ IAvH); // idem Cundinamarca, PNN[Parque Nacional Natural] Chingaza, Valle del Frailejón, / 04º31’’N/ 73º45’W, 3170 m [eters], 20.dec[ XII]. 2000–05.jan [I].2001, / L. Cifuentes, M1220 (1 ♀ IAvH); // idem Huila, PNN[Parque Nacional Natural] Cueva de los Guacharos, / 01º38’N / 76º06’W, 1980 m [eters], 02–05. XII.2001, / D. Campos Leg. M2535 (1 ♀, IAvH); // idem Magdalena, PNN[Parque Nacional Natural] Santa Marta, El Ramo, / 10º48’N / 73º39’W, 2500 m [eters], 21–29. dic[ XII].2000, / J. Cantillo “M1047” (2 ♀♀ IAvH); // idem 01–15. jul[ VII].2000, M365 (2 ♀♀ IAvH); // idem 16–31.aug[ VIII].2000, M602 (1 ♀ IAvH); // idem 2400 m [eters], 10–24.jun[ VI].2000, M1 (1 ♀ IAvH); // idem La Estación, 10º48’40’’N / 73º39’32’’W, 15–31. jul[ VII].2000, / J. Cantillo, M369 (1 ♀ IAvH); // idem PNN[Parque Nacional Natural] Tayrona, / 11º20’N /74º02’’W, 60 m [eters], 23.sep[ IX]–17.oct[X].2000, / R. Henriquez M793 (1 ♀ IAvH); // idem Nariño, RN[Reserva Natural] La Planada, Parcela Olga, / 1º15›N/78º15››W, 1850 m [eters], 02–16.sep[ IX].2000, / G. Oliva Leg. M883 (1 ♀ IAvH); // idem 16. VI.–02. VII.2001, M2384 (1 ♀ IAvH); // idem Valle del Cauca, PNN[Parque Nacional Natural] Farallones de Cali, / Alto Anchicaya, 03º26’N / 76º48’W, / 650 m [eters], 02–16.jan[I].2001, / S. Sarria, M1544 (1 ♀ IAvH); // idem Vichada, PNN[Parque Nacional Natural] Tuparro, / Centro Administrativo, 140 m [eters], 19–29.jun[ VI].2000, / W. Villaba, Malaise 17 (1 ♀ IAvH).

Key to males of the Neotropical species of Chalarus (modified from RAFAEL 1990)

1 Cell r 1 closed ( Fig. 37 ). ..... C. connexus Rafael, 1988 Cell r

1

open ( Figs 5 , 16 , 26 , 48 ). ............................... 2

2 Legs and antennae yellow. ........................................... .................................. C. xanthopodus Rafael, 1990

– Legs and antennae brown to black. .......................... 3

3 Frons with 1–3 pair of setae. ... C. latifrons Hardy, 1943

– Frons without setae. .................................................. 4

4 Tip of distiphallus with phallic processes ( Figs 10A , 21A , 31A ). ................................................................ 5

– Tip of distiphallus without phallic processes ( Figs 42 , 53 ). .......................................................................... 11

5 Tip of distiphallus with phallic processes symmetrical ( Figs 21A ). ................................................................ 6

– Tip of distiphallus with phallic processes asymmetrical ( Figs 10A , 31A ). ................................................. 9

6 Phallic processes of tip of distiphallus with seta conspicuous, long, and aristiform ( Fig. 21A and see RAFA- EL 1988: figs 5, 6). .................................................... 7

– Phallic processes of tip of distiphallus short and flattened dorsoventrally (see RAFAEL 1990: fig. 13, RODRÍ- GUEZ et al. 2012: figs 2A, B). ................................... 8

7 Pedicel with two setae dorsally and two ventrally ( Fig. 14 ); tip of distiphallus with apex acute ( Fig. 21A ); right gonopod thickened medially, thin apically, with apex slightly acute when seen in lateral view ( Fig. 20 ). .......................................... C. boyacensis sp. nov.

– Pedicel with three setae dorsally and four ventrally (see RAFAEL 1988: fig. 1); tip of distiphallus with apex truncated (see RAFAEL 1988: fig. 5); right gonopod thickened medially and apically, with apex rounded in lateral view (see RAFAEL 1988: fig. 4). ........................ .......................................... C. chilensis Collin, 1931

8 Right surstylus with apex slightly truncated in lateral view (see RODRÍGUEZ et al. 2012: fig. 3B)]. ............... .................. C. tani Rodríguez, Rafael & Virla, 2012

– Right surstylus with apex rounded in lateral view (see RAFAEL 1990: fig. 12). ........... C. lenkoi Rafael, 1990

9 One phallic process very short, about 1/4 to 1/5 the length of the other (see RAFAEL 1988: figs 10, 11). ..... ................................... C. amazonensis Rafael, 1988

– Phallic processes equal in length ( Fig. 31A ) or one about 1/2 the length of the other ( Fig. 10A ). .......... 10

10 Phallic processes equal in length, one thinner than the other ( Fig. 31A ); right gonopod with apex slightly acute when seen in lateral view ( Fig. 30 ); ejaculatory apodeme pin-shaped ( Fig. 32 ). .................................... .............................................. C. chairensis sp. nov.

– One phallic process about 1/2 the length of the other ( Fig. 10A ); right gonopod with apex rounded in lateral view ( Fig. 9 ); ejaculatory apodeme parasol-shaped ( Fig. 11 ). ............................. C. absonus Rafael, 1990

11 Surstyli with sinus at junction with epandrium in lateral view (see RAFAEL 1990: fig. 14); right surstylus with apex truncated in lateral view ( RAFAEL 1990: fig. 15); right gonopod with apex slightly rounded in lateral view ( RAFAEL 1990: fig. 15); phallus with lateral ejaculatory ducts reaching far beyond the membranous area in dorsal view ( RAFAEL 1990: fig. 15). .................

...................................... C. triramosus Rafael, 1990 – Surstyli without sinus at junction with epandrium in lateral view ( Figs 51–52 and RAFAEL 1990: fig. 7);

right surstylus with apex rounded in lateral view ( Fig.

52 and RAFAEL 1990: fig. 7); phallus with lateral ejaculatory ducts short, not exceeding the membranous area in dorsal view ( Fig. 53B and RAFAEL 1990: fig. 9). .....

......................................... C. delicatus Rafael, 1990

Figures

Figs 33–43. Chalarus connexus Rafael, 1988 (LEUA–00000049808). Male. 33 – habitus, left lateral view; 34 – habitus, dorsal view; 35 – antenna; 36 – thorax, dorsal view; 37 – wing; 38 – abdomen, dorsal view; 39 – terminalia, dorsal view; 40 – left surstylus and gonopod, lateral view; 41 – right surstylus and gonopod, lateral view; 42a – phallic guide, subapical processes and phallus with ejaculatory duct dislocated in this figure, left lateral view, 42b – phallus dorsal view, 43 – ejaculatory apodeme.

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.

Figs 44–54. Chalarus delicatus Rafael, 1990 (LEUA–00000049809). Male. 44 – habitus, left lateral view; 45 – habitus, dorsal view; 46 – antenna; 47 – thorax, dorsal view; 48 – wing; 49 – abdomen, dorsal view; 50 – terminalia, dorsal view; 51 – left surstylus and gonopod, lateral view; 52 – right surstylus and gonopod, lateral view; 53a – phallic guide, subapical processes and phallus, left lateral view, 53b – phallus dorsal view; 54 – ejaculatory apodeme.