Copestylum (Phalacromya) bradleyi ( Curran, 1925 )

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 : 84-85

Copestylum (Phalacromya) bradleyi ( Curran, 1925)

Fig. 122

Volucella bradleyi Curran, 1925: 348

Type locality and data. “ Matucana , Peru ” (T, ♀, CUI) .

Material examined. Arica y Parinacota: 2♂, Putre , 23.XII.1952, Leg. M. Etcheverry ( IEUMCE); 2♂, 2♀ , Belén, Leg. L.E. Peña ( IEUMCE, CNC); 3♀, Codpa , 30.XI.1985, Leg. NN ( IEUMCE); 1♂, 2♀, Chapiquiña, 24.XI.1966, Leg. M. Etcheverry ( IEUMCE) ; Tarapacá: 1♂, MiñeMiñe , 15.II.1948, Leg. J . Herrera & M. Etcheverry ( IEUMCE); Champaja, Pisagua , I.1949 ( Etcheverry 1952); 2♂, 2♀, Mamiña, 16.XI.1964, Leg. M. Etcheverry ( IEUMCE, CNC); 4♂, 13♀, Camiña, 09.IX.1983, Leg. NN ( IEUMCE); 1♀, Poroma, 18.VII.1966, Leg. Etcheverry ( IEUMCE); 5♂, 8♀, Parca, 15.VII.1966, Leg. J . Herrera ( IEUMCE); 1♀, Noasa , 24.IX.1951, Leg. NN ( IEUMCE); 1♂, Chaquiña ,

23.VII.1951 ( Etcheverry 1952); Coquimbo: 1♀, Fray Jorge, no date, Leg. NN ( IEUMCE); Metropolitana: Santuario Natural Yerba Loca Natural ( Valdivia & Niemeyer 2006) ( Fig. 146 ).

References. Curran, 1925: 345 (desc.); Curran, 1926a: 53 (key); Curran, 1930c: 11 (key); Curran, 1934: 382 (key); Etcheverry, 1951: 356 (cat.); Fluke, 1951b: 26 (key & desc.); Etcheverry, 1952: 309 (cat.); Fluke, 1957: 61 (cat.); Etcheverry, 1963: 97 (cat.); Etcheverry, 1970: 96 (cat.); Thompson et al., 1976: 72 (cat.); Valdivia & Niemeyer, 2006: 137 (pollination study).

World distribution. Peru and Chile.

Chilean distribution. From Arica y Parinacota to Metropolitan region .

Altitudinal range. From precordillera to highland ecosystems (1,800–4,200 m.a.s.l.).

Biology and notes. Copestylum bradleyi is associated with the native flora in the highlands of the Central Andes. Adults are associated with the plant Escallonia myrtoidea Bertero ex DC. ( Valdivia & Niemeyer 2006) . Nothing is known about its biology.

Conservation status. LC; EOO = 183,909 km 2, AOO = 56 km 2 and 14 localities (or subpopulations).

Figures

FIGURE 146. Distribution map of Copestylum bulbosum (Fluke, 1951) (red circles); Copestylum bolivianum (Hine, 1914) (yellow circles); Copestylum bradleyi (Curran, 1925) (blue circles); Copestylum cockerelli (Curran, 1927) (black circles); Copestylum peruvianum (Vimmer & Soukup, 1839) (green circles); Copestylum parina (Fluke, 1951) (pink circles); Copestylum smithae (Thompson, 1965) (black triangles) in Chile.

FIGURES 122–127. (122) Copestylum bradleyi (Curran, 1925) (photo by Matías Barceló), scale bar = 2 mm. (123) Copestylum bulbosum (Fluke, 1951) (photo by Matías Barceló), scale bar = 3 mm. (124) Copestylum cockerelli (Curran, 1927) (photo by Vicente Valdés), scale bar = 3 mm. (125) Copestylum longirostre (Macquart, 1846), lateral view. Scale bar = 2.5 mm (Photo by Vicente Valdés). Copestylum escomeli (Curran, 1929): (126) female and (127) male, feeding on Oxalis sp. (photos by Pedro Vargas).