Sphiximorpha barbiger ( Loew, 1853 )

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 : 26

Sphiximorpha barbiger ( Loew, 1853)

Figs 26–27

Ceriodes acra Curran, 1941: 246 *

Ceriana barbipes Loew, 1853: 19 *

Type locality and data. “ Montevideo, Uruguay ” (T, ♂, ZMB)

Material examined. Metropolitana : (sex undetermined) Santiago, 3.III.1944, Leg. R.P. ( CNC) .

References. Loew, 1853: 19 (desc.); Curran, 1941: 246 (desc. Ceriana acra ); Vockeroth, 1971: 282 (nomenclatural changes); Thompson, 1972b: 130 ( Milesiinae rev.); Thompson et al., 1976: 93 (cat.); Thompson, 1999a: 328 (key); Ricarte et al., 2007: 921 (puparium desc. & taxonomic notes); Kirst et al., 2017: 4 (biodiversity study).

World distribution. Argentina, Brazil, Uruguay and Chile.

Chilean distribution. Only recorded from Metropolitan region ( Fig. 28 ).

Altitudinal range. This species could inhabit Mediterranean ecosystems between 400 and 700 m. a.s.l.

Biology and notes. Sphiximorpha barbipes is here reported from Chile for the first time. This species has been reared from tree holes and bamboo suggesting a saprophagous role ( Ricarte et al. 2007).

Conservation status. DD; EOO = 2 km 2 and one locality (or subpopulations).

Figures

FIGURE 28. Distribution map of Austroascia segersii Thompson & Marnef, 1977 (red circles); Chamaesphegina argentifascies Shannon & Aubertin, 1933 (blue circles); Notiocheilosia nitescens Shannon & Aubertin, 1933 (black circles); Orthonevra chilensis Thompson, 1999 (green circles) and Sphiximorpha barbiger (yellow circles) in Chile.

FIGURES 26–27. Sphiximorpha barbiger (Loew, 1853): (26) lateral view and (27) dorsal view. Scale bars = 2 mm. Photos by Kevin Moran, CNC.