Toxomerus productus (Curran, 1930)

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 : 154-155

Toxomerus productus (Curran, 1930)

Fig. 215

Mesogramma productus Curran, 1930a: 5

Mesogramma triradiata Hull, 1942a: 48

Mesogramma productus Hull, 1943a: 27

Mesogramma camilla Hull, 1951: 20

Mesogramma cyrilla Hull, 1951: 9

Mesogramma vanessa Hull, 1951: 15

Type locality and data. “ Ecuador ” (HT, ♂, AMNH) .

Material examined. Arica y Parinacota: Valle de Azapa ( Etcheverry 1963) ; 2♂, Codpa, 30.I.1985, Leg. M. Cerda ( MNHNCL; MEUC) ; Tarapacá: 2♂, 1♀, Chiapa , 2950 m, 23–24.IV.1969, Leg. L.E. Peña ( MEUC) .

References. Curran, 1930a: 5 (desc.); Hull, 1943c: 27, fig. 30 (desc.); Fluke, 1956: 229 (cat.); Etcheverry, 1963: 61 (cat.); Etcheverry, 1970: 95 (cat.); Thompson et al., 1976: 54 (cat.); Thompson & Thompson, 2006: 324 (key & desc.); Borges & Couri, 2009: 50 (key & desc.); Reemer, 2010: 193 (cat. & desc.).

World distribution. Argentina, Brasil, Ecuador, Guyana, Paraguay, Uruguay and Chile.

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

Altitudinal range. From coastal to highland ecosystems (5–2950 m.a.s.l.).

Biology and notes. Toxomerus productus is an aphidophagous native species associated with crops and Hemiptera pests. All other aspects of its biology and ecology remain unknown.

Conservation status. LC; EOO = 86,531 km 2, AOO = 12 km 2 and three localities. This species is widely distributed in all South America.

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.