Toxomerus incaicus Sack, 1941

Barahona-Segovia, Rodrigo M., Riera, Pamela, Pañinao-Monsálvez, Laura, Guzmán, Vicente Valdés & Henríquez-Piskulich, Patricia, 2021, Updating the knowledge of the flower flies (Diptera: Syrphidae) from Chile: Illustrated catalog, extinction risk and biological notes, Zootaxa 4959 (1), pp. 1-178 : 153

Toxomerus incaicus Sack, 1941

Figs 212–213

Toxomerus incaicus Sack, 1941: 101

Type locality and data. “ Querobamba , Peru ” (LT, ♂, SMT) .

Material examined. Arica y Parinacota: 1♂, Cica , 12.VI.1968, Leg. N. Hichins (UTA); 1♂, Lluta CAMPEX, IX.1967, Leg. A. Aguilera (UTA); 1♂, Cuya, Camarones, 25.II.1976, Leg. N. Hichins (UTA); 1♀, Chica, Picha, Lluta, 12.XI.1969, Leg. N. Hichins (UTA) ; Biobío: 1♂, Lajuna del Laja , 13-16.II.1957, Leg. L. Peña ( CNC) .

References. Sack, 1941: 101, fig. 3 (abdomen, male) (desc.); Mengual, 2011: 146 (desc. & key); Marín-Armijos et al., 2017: 180 (cat.).

World distribution. Peru, Bolivia and Chile.

Chilean distribution. Recorded in altiplanic towns in Arica y Parinacota and from Biobío regions ( Fig. 220 ).

Altitudinal range. From inland valleys to precordillera ecosystems (200–1000 m.a.s.l.).

Biology and notes. Toxomerus incaicus is here reported from Chile for the first time and is associated with highlands ecosystems. All basic aspects of its biology and ecology remain unknown.

Conservation status. EN under B1ab (iii) + 2ab (iii) using EOO = 4,134 km 2, AOO = 12 km 2 and 5 localities (or subpopulations).

Figures

FIGURE 220. Distribution map of Toxomerus species in Chile: Toxomerus calceolatus (Macquart, 1842) (green circles); Toxomerus floralis (Fabricius, 1798) (light blue circles); Toxomerus politus (violet triangle); Toxomerus productus (Curran, 1930) (yellow circles); Toxomerus schlingeri Thompson & Thompson, 2006 (blue circles); Toxomerus vertebratus (Rondani, 1863) (red triangle).

FIGURES 210–215. Toxomerus calceolatus (Macquart, 1842): (210) female visiting Baccharis sp., Cuchiñí (Photo by Matías Cortés) and (211) male, Santiago (photo by Gabriela Germain). Toxomerus incaicus Sack, 1941: (212) male, lateral view (photo by Kevin Moran, CNC) and (213) male, dorsal view (photo by Kevin Moran, CNC). Scale bars = 2 mm. Toxomerus politus (Say, 1823: (214) dorsal view (photo by Patricia Henríquez). Scale bar = 0.5 mm. Toxomerus productus (Curran, 1930): (215) dorsal view (photo by Vicente Valdés). Scale bar = 1 mm.