Austroscaeva penai (Marnef in Dušek & Láska, 1985)

Fig. 174

Scaeva penai (Marnef in Dušek & Láska, 1985: 222)

Type locality 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 Coquimbo to 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. domestica orchards (Joaquín Sepúlveda pers. obs.). Other basic aspects of its biology and ecology remain unknown.

Conservation status. EN under B2ab (iii) using AOO = 16 km 2 and four localities (or subpopulations); EOO = 99,384 km 2.

Genus Dioprosopa Hull, 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.).