Caenopangonia brevirostris (Philippi, 1865)

(Figures 4 A–H, 5A–C)

Mycteromyia brevirostris Philippi, 1865: 713; Kertész, 1900: 14 (catalog); Ricardo, 1900: 99; Hunter, 1901: 138; Kertész, 1908: 175 (catalog); Surcouf, 1921: 124; Kröber, 1930a: 132 –133 (redescription); Kröber, 1930b: 218 –219, Fig. 3 (diagnosis and illustration); Kröber, 1934: 239 (catalog); Hack, 1953: 341; Fairchild, 1971: 13 (catalog); Moucha, 1976: 25 (catalog).

Caenopangonia brevirostris, Coscarón & Philip, 1979: 446, Fig. 10 F–J (new combination); Coscarón & González, 1991: 129 (list of species); Fairchild & Burger, 1994: 34 (catalog); Coscarón & Papavero, 2009b: 34 (catalog); Lessard, 2014: 239 (revision Scionini).

Type locality. Chile, Valdivia .

Redescription ♀. Medium sized (11.5–14 mm); body light brown to brown; thorax with two dark brown lateral stripes, contrasting with more distinct center stripe (in some specimens the contrast is not so evident) (Fig. 4 A–B); abdomen light brown with a median row of white triangles extending to lateral incisures on posterior margins of tergites (lost in some specimens) (Fig. 4 A,E); Frons, subcallus, parafacial, face, gena and occiput grayish (Fig. 4 C–D); frons parallel-sided, predominantly with brownish hairs and some sparse yellow hairs (some specimens are the opposite, predominantly yellow hairs and some brownish) (Fig. 4 C); face reduced, no longer than insertion of antenna (in one specimen little longer than insertion) (Fig. 4 D); beard white (yellowish in some specimens); Antenna, scape and pedicel light brown with black hairs contrasting with dark brown almost black flagellum; eight well defined flagellomeres (sometimes flagellomeres 2–3 are fused); palpus dark brown, variable in shape and size, first segment subequal to second or a little longer than second, apex of second clavate or more cylindrical; proboscis two times longer than height of head; legs yellowish brown, except for shiny brown trochanters; wing infuscated with clouds on cross-veins (clouds vary from clear to dark), cell r5 with long petiole (Fig. 4 F); terminalia in posterior view as in figure 4G; internal characters were described in diagnosis of genus (Fig. 5 A–C).

Male. Unknown.

Holotype. ♀ lost, according Philip (1968:12): “ M. brevirostris . No type was located by Kuschel or during my recent research ”.

Distribution. Chile (Ñuble, Arauco, Osorno, Valdivia), Argentina (Neuquén).

Material examined. ARGENTINA, Neuquén, P. Nac. Lanín, Lago Hermoso, xi.1949, M. Barrera (♀ MZUSP) ; idem, Pucará, Lago Lácar, i.1954, Duret (2♀ MZUSP) ; idem, Pucará, P. Nac. Lanín, xi.1951, Schajovskoi (♀ MZUSP); CHILE, Alt Sammlung, Mycteromyia brevisrostris (Phi) det. C.B. Philip [19]64 (♀ CAS) ; Arauco, Pichinahuel, cord. Nahuelbuta, 28.i.1954, L.E. Peña (♀ CAS); idem, ibidem, 20km W. Caramavida, 31°42’S –73°21’W, 750m, 31.i. [19]67, E.I. Schlinger (2♀ CAS).

Comments. The holotype, deposited in the MNHNS, is probably destroyed. Philip (1968) searched for the type in Philippi’s material but it was not located and is probably non-extant.