Scaeva penai Dušek & Láska, 1985: 222 Dioprosopa Hull, 1949a: 99 Baccha Fabricius, 1805: 199 Syrphus clavatus Fabricius, 1794: 298 Updating the knowledge of the flower flies (Diptera: Syrphidae) from Chile: Illustrated catalog, extinction risk and biological notes Barahona-Segovia, Rodrigo M. Riera, Pamela Pañinao-Monsálvez, Laura Guzmán, Vicente Valdés Henríquez-Piskulich, Patricia Zootaxa 2021 2021-04-15 4959 1 1 178 8B5T6 [151,387,866,892] Insecta Syrphidae Austroscaeva Animalia Diptera 123 124 Arthropoda species penai   Fig. 174     Scaeva penai(Marnef in  Dušek & Láska, 1985: 222)     Typelocality and data.“ Chile Chico, Chile” (HT, ♀, USNM).  Material examined.  Coquimbo: 1♀, Hacienda Illapel,  11.XI.1954, Leg. L. E. Peña( CFK);  La  Araucanía: 1♀, Lonquimay, cord. Las Raíces, Malleco,  1500-1800 m,  26-28.XII.1967, Leg. L. E. Peña( MEUC);  Aysén: 1♀, Chile Chico,  Aysén,  31.XII.1960, Leg. L.E. Peña, Leg. Marnef( Dušek & Láska 1985);  Magallanes: 1♀, Parque Nacional Torres del Paine, Laguna Azul, 1.3.198 6, Leg. F. Soto( MNHNCL).   References. Kassebeer, 1999: 101, fig. 2 (abdomen) (desc. & key); Mengual et al., 2018a: 161(desc. & phylogeny).  World distribution. Chile.  Chilean distribution.From Coquimboto Magallanes region( Fig. 175).  Altitudinal range.From inland valleys to precordillera ecosystems (300– 1,800 m.a.s.l.).   Biology and notes.This flower fly species has been recently observed visiting flowers of  M. domesticaorchards (Joaquín Sepúlveda pers. obs.). Other basic aspects of its biology and ecology remain unknown.  Conservation status.EN under B2ab (iii) using AOO = 16 km 2and four localities (or subpopulations); EOO = 99,384 km2.  Genus  DioprosopaHull, 1949      Dioprosopa Hull, 1949a: 99; as subg. of   Baccha Fabricius, 1805: 199. Type-species:   Syrphus clavatus Fabricius, 1794: 298; by monotype. Refs. Kassebeer, 2000(desc. new species & rev.); Mengual et al., 2018b(phylogenetic study & rev.). 3080455265 [151,859,1040,1067] USNM Chile Chico 123 124 1 1 holotype 3080455604 [439,1218,1076,1103] 1954-11-11 CFK Hacienda Illapel & Leg. L. E. Pena Coquimbo 123 124 1 1 Coquimbo 3080455114 [1229,1259,1077,1103] La 123 124 1 Coquimbo 3080454663 1967-12-26 1967-12-28 1967-12-26 MEUC L. E. Pena 1650 Araucania 123 124 1 1 Araucania 3080455511 Chico Chile Aysen 123 124 1 1 Aysen 3080454579 [230,1047,1148,1175] 1960-12-31 Leg. L. E. Pena & Leg. Marnef Chile Aysen 123 124 1 Aysen 3080455487 MNHNCL Laguna Azul & Leg. F. Soto Chile Parque Nacional Torres del Paine 123 124 1 1 Magallanes y de la Antartica Chilena