Neotropical Stomopogon (Diptera, Muscidae): new species, redescriptions and key to species Author Fogaça, João M. Author Gomes, Lucas R. P. Author Couri, Márcia S. Author Rodríguez-Fernandez, Jaime I. Sociedad Boliviana de Entomología, La Paz, Bolivia, Calle Montevideo 188, La Paz, Bolivia & Cooperativa Científica Boliviana, Calle Montevideo 188, La Paz, Bolivia Author De Carvalho, Claudio J. B. text Zootaxa 2021 2021-01-08 4903 3 301 330 journal article 8999 10.11646/zootaxa.4903.3.1 2cdec455-6451-498e-8b07-252f4b84e6b4 1175-5326 4427746 60A2C8D6-4AD4-41EE-9916-C110452FE749 Stomopogon nigrisquama sp. nov. ( Figs 2 C–D, 4D–F, 6E–F, 8A–B, 23A–E, 24A–E) Type-material examined . Holotype . Male : “ PERU : Cuzco : Est. Biol . \ Wayqecha , jct. Trochas \ Schefflera & Picaflor , \ Malaise trap, WP 583, \ 13.17385 º S 71.58808 º \ W, 2905m , 1- 12 Jun \ 2012, A. Norrbom , B. \ D. Sutton , B. Luz Puma & C. Quispe [white, printed label]” “ Holotype ” [red, printed label] ( USNM ) ( Fig. 23E ). Paratypes 11♁♁ 38♀♀ . “ PERU : Cuzco : Est. Biol. \ Wayqecha, jct. Trochas \ Schefflera & Picaflor, \ Malaise trap, WP 583, \ 13.17385 º S 71.58808 º \ W, 2905m , 1-12 Jun \ 2012, A. Norrbom, B. \ D. Sutton, B. Luz Puma & C. Quispe [white, printed label]” “ Paratype ” [green, printed label], 2♁♁ 7♀♀ (USNM); “ PERU : Cuzco : Est. Biol. \ Wayqecha, jct. Trochas \ Schefflera & Picaflor, \ Malaise trap, WP 583, \ 13.17385 º S 71.58808 º W \, 2905m , 1-12 Jun 2012 \, A. L. Norrbom, B. D. Sutton, B. Luz Puma & \ C. Quispe [white, printed label]” “ Paratype ” [green, printed label], 4♁♁ 8♀♀ (USNM, DZUP ); “ PERU : Cuzco : Est. Biol. \ Wayqecha, cabins area \ Malaise trap, WP 511, \ 13.58707 º S \ 71.58707 W , 2924 m , 1- \ 12 Jun 2012 , A. L. \ Norrbom, B. D. Sutton, \ B. Luz Puma \ & C. Quispe [white, printed label]” “ Paratype ” [green, printed label], 1♁ 2♀♀ (USNM); “ PERU : Cuzco : Estacion \ Biologica Villa Carmen, \ Trail 8 mark 8-1654, \ 12’5409’’ S 71’2431’’W \ 707 m trap VC-ML-14, \ 27 Nov 2012 - 20 Jan \ 2013, A. L. Norrbom, E. \ Rodriguez, G. J. Steck, B. D. Sutton [white, printed label]” “ Paratype ” [green, printed label], 1♁ (USNM); “13056 - (EC) Zamora Chinchipe: San \ Francisco, Reserva Biológica San \ Francisco, trail Canal, 2000m , \ 03º58’30’’S 79º04’25’’W , 13/02/2009 - \ 18/02/2009 (WPT), leg. Marc Pollet & \ Anja De Braekeleer, sorted by Marc \ Pollet - sample code: EC/2009- \ 30/MP&ADB-008 [white, printed label]” “ Paratype ” [green, printed label], 6♀♀ (USNM); 13136 - same label information, 25/02/2009 - 3/03/2009 , 1♀ (USNM); 13095 - same label information, 18-25/02/2009 , 1♀ (USNM); “13102 - (EC) Zamora Chinchipe: San \ Francisco, Reserva Biológica San \ Francisco, trail Canal, 2000m , \ 03º58’30’’S 79º04’25’’W , 17-25/02/2009 (YPT), \ leg. M. Pollet & \ A. De Braekeleer, \ sorted by M. Pollet - sample code: \ EC/2009-33/MP&ADB-015 [white, printed label]” “ Paratype ” [green, printed label], 3♀♀ (USNM); “13103 - (EC) Zamora Chinchipe: San \ Francisco, Reserva Biológica San Fran \ cisco, trail Canal, 2000m , \ 03º58’30’’S 79º04’25’’W , 17-25/02/2009 (YPT), \ leg. M. Pollet & \ A. De Braekeleer, \ sorted by M. Pollet - sample code: \ EC/2009-33/MP&ADB-016 [white, printed label]” “ Paratype ” [green, printed label], 1♁ 2♀♀ ( MNRJ ); 13093 - same label information, 18-25/02/2009 , MP&ADB-006, 2♀♀ (USNM); 13061 - same label information, 14/02/2009 - 18/02/2009 , MP&ADB-013, 1♀ (USNM); 13054 - same label information, 13/02/2009 18/02/2009 , MP&ADB-006, 1♀ (USNM); 13142 - same label information, 25/ 02-3/03/2009 , MP&ADB-014, 1♀ (USNM); 13144 - same label information, 25/ 02-3/03/2009 , MP&ADB-016, 1♀ (USNM); “13060 - (EC) Zamora Chinchipe : San \ Francisco, Reserva Biológica San \ Francisco, trail Canal, 2000m , \ 03º58’30’’S 79º04’25’’W , 13/02/2009 - \ 18/02/2009 (BPT), leg. Marc Pollet & \ Anja De Braekeleer, sorted by Marc \ Pollet - sample code: EC/2009- \ 33/MP&ADB-012 [white, printed label]” “ Paratype ” [green, printed label], 1♀ (USNM); 13099 - same label information, 18-25/02/2009 , MP&ADB-012, 1♀ ( MNRJ ); 13140 - same label information, 25/ 02-3/03/2009 , MP&ADB-012, 1♁ ( MNRJ ); “13096 - (EC) Zamora Chinchipe : San \ Francisco, Reserva Biológica San \ Francisco, trail Canal, 2000m , \ 03º58’30’’S 79º04’25’’W , 18/02/2009 - \ 25/02/2009 (RPT), leg. Marc Pollet & \Anja De Braekeleer sorted by Marc \ Pollet - sample code: EC/2009-33/MP&ADB-009 [white, printed label]”; “ Paratype ” [green, printed label], 1♀ (USNM). Diagnosis. Stomopogon nigrisquama sp. nov. is the only species that has brown halter and dark calypter. Etymology. The specific epithet, nigrisquama , refers to the brownish calypter. FIGURE 23. Stomopogon nigrisquama sp. nov. , Holotype male: A. Lateral view. B. Head, frontal view. C. Dorsal view. D. Head, lateral view. E. Labels. Scale bars: A, C, D: 1 mm; B: 0.5 mm. FIGURE 24. Stomopogon nigrisquama sp. nov. , Paratype female: A. Lateral view. B. Head, frontal view. C. Dorsal view. D. Labels. Scale bars: A, B, C: 1 mm; D: 0.5 mm. Description Holotype male . Length: Body: 2.5 mm. Wing: 2.6 mm. Head ( Fig. 23B ). Frontal vitta, fronto-orbital plate, face, parafacial and gena silvery pruinose. Eye with small and sparse white cilia. Antenna dark brown; arista enlarged at base with hairs shorter than diameter of the base, apical third bare. 4 frontal setae, the second one shorter than the others and the last one reclinate; 1 proclinate orbital seta; 1 upper orbital seta; ocellar seta well developed; postocellar seta divergent with same ocellar seta length; inner vertical seta parallel subequal in length of ocellar seta. Proboscis shiny dark brown. Palpus dark brown. Thorax. Grey, light brown pruinose. Acrostichal setae 3+5; 7 anepisternal setae. Legs ( Fig. 23A ). Dark brown. Claws and pulvilli reduced. Fore femur with a complete pd and pv rows of setae. Fore tibia with 1 p median seta; preapical setae on d , p and pv . Mid femur with a series of long setae on a , av and pv ; 1 preapical seta on p . Mid tibia with 1 p median seta; 1 apical setae on a , av , d , p , pd and v . Hind femur with a row of setae on a , ad , av , v and pv ; 1 preapical seta on p . Hind tibia with many long fine setae on all surfaces, the 3 ad and 3 pd stronger than others; 1 preapical setae on a , ad , d , pd and v . Abdomen ( Fig. 23C ). Dark brown, greyish pruinose; with a pair of brown spots on second to fourth visible tergites. Sternite 5 U-shaped, covered with curled and long setae in the apical half ( Fig. 4D ). Terminalia ( Fig. 4 E–F). Cercus longer than wide, apically medium bifurcate; surstylus covered with many short setae ( Fig. 2D ); hypandrium long tubular; phallapodeme more or less the same diameter in all extension and bigger than hypandrium; pregonite with 2 setulae ( Fig. 2D ) and longer than postgonite; postgonite with 4 setulae ( Fig. 2D ). Female ( Fig. 24 A–E). Length (n=16): Body: 3.0-3.5 mm; Wing: 2.7-3.3 mm. Similar to male, except for wing lighter; hind tibia with only 3 ad and 3 pd setae, 2 of them supramedian and one submedian. Distribution. Ecuador ( Zamora-Chinchipe ), Peru ( Cuzco ).