Toxomerus schlingeri Thompson & Thompson, 2007

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 : 156

Toxomerus schlingeri Thompson & Thompson, 2007

Figs 216–217

Toxomerus schlingeri Thompson & Thompson, 2007: 325

Type locality and data. “ Chile ” (HT, ♂, MEUC) .

Material examined. Arica y Parinacota: 1♂, Cica , 12.VI.1968, Leg. N. Hichins (UTA); 1♀ , Valle de Lluta , 28.I.1968, Leg. R.H. González ( MEUC); 1♀ , Valle de LLuta, 12.I.1971, Leg. L. Ruz ( UCV) ; Atacama: 1♂, Parque Nacional Llanos de Challe , VIII.2017, phot. col.: Gabriela Germain ( CSP) ; Coquimbo: 1♀, humedal El Culebron, 02.VIII.2019, phot. col.: Francisco Carreño ( CSP); Tongoy , 4 km southwest, 18.X.1997, Leg. Betty & F.C.Thompson ( MEUC; specimen lost) .

References. Thompson & Thompson, 2007: 325 (key & desc.).

World distribution. Chile.

Chilean distribution. From Arica y Parinacota regions to Coquimbo region ( Fig. 220 ).

Altitudinal range. From coastal to inland valley ecosystems (5– 500 m.a.s.l.).

Biology and notes. Toxomerus schlingeri is associated with some exotic grasses such as M. sativa ( Thompson & Thompson 2006) , Salicornia sp. (Francisco Carreño, CSP record), and R. raphanistrum L. (Gabriela Germain, CSP record). Type specimen lost (Danilo Cepeda pers. comm.). Other aspects of its biology and ecology remain unknown.

Conservation status. EN under B1ab (iii) + 2ab (iii) using EOO = 3,296 km 2, AOO = 12 km 2 and five 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 216–219. Toxomerus schlingeri Thompson & Thompson, 2007: (216) female visiting Salicornia sp., Humedal El Culebrón, Coquimbo (Photo by Francisco Carreño), and (217) male visiting a flower of Cristaria sp., Llanos de Challe National Park, Atacama (Photo by Gabriela Germain). Toxomerus vertebratus (Rondani, 1863): (218) female visiting a flower of Oxalis sp., Quilpué, Valparaíso (photo by Asiel Olivares) and (219) male visiting flowers of Myosotis sylvatica (L.), La Misión, Los Lagos (photo by Ricardo Huenuanca).