Copestylum (Phalacromya) longirostre ( Macquart, 1846 )

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 : 88-89

Copestylum (Phalacromya) longirostre ( Macquart, 1846)

Fig. 125

Volucella concinna Philippi, 1865: 733

Copestylum concinnum Thompson et al., 1976: 74 *

Type locality and data. “ Patrie inconnue ” (HT, ♀, UMO) .

Material examined. Antofagasta: 3♂, 5♀, Paposo , 08.X.1983, Leg. M. Elgueta ( MNHNCL) ; 1♀, Quebrada San Ramón , TalTal, 21.X.1985, Leg. G. Arriagada ( MNHNCL) ; Atacama : 2♀, Capote , 28.XI.2016, Leg. R. Barahona-Segovia ( PCRBS) ; 1♂, Llanos de Challe National Park , 10.X.2014, Leg. R. Barahona-Segovia ( PCRBS) ; Coquimbo : 1♀, Loma Peñuelas , La Serena, III.1953, Leg. NN ( INIA) ; 1♂, Incahuasi , IX.1965, Leg. Montenegro ( CNC) ; 1♀, Socos , 13.X.1957, Leg. L. Peña ( CNC) ; 1♂, Estero Canela , 24.X.1961, Leg. L. Peña ( CNC) ; 3♂, 1♀, Caren , 13.XI.1963, Leg. L. Peña ( CNC) ; 1♀, Los Maquis , 11.III.1964, Leg. L. Peña ( CNC) ; Valparaíso : 1♀, Catapilco , 14.XI.1965, Leg. Thompson ( MNHNCL) ; 1♂, Hijuelas , 1.IV.1966, Leg. N. Hichins ( MNHNCL) ; 1♀, Leyda , 1.II.1942, Leg. L.E. Peña ( INIA) ; 1♀, La Ligua , I.2013, phot. col. César Martínez ( CSP) ; 1♀, Horcones , 15.II.1970, M. Cerda ( MNHNCL) ; 1♀, Piscicultura , 1600 m, 11.XI.1963, Leg. L. Peña ( CNC) ; 1♂, Río Blanco , 01.IX.1967, Leg. J. Solervicens ( MNHNCL) ; Metropolitana : 1♂, 2♀, Caleu , Lo Marín, 26.VII.1986, Leg. G. Cerda ( MNHNCL) ; 1♂, 1♀, Pudahuel , 8.XI.1953, Leg. L. Peña ( CNC) ; 1♂, El Manzano, 11.X.1981, Leg. ( MNHNCL) ; 1♂, Guayacan , 26.IX.1970, Leg. Raquel Múñoz ( MNHNCL) ; 1♀, El Volcán, 09.XI.1969, Leg. L. Alfaro ( MNHNCL) ; 1♀, Quebrada de San Gerónimo , 21.X.1985, Leg. G. Arriagada ( MNHNCL) ; 1♀, Aculeo , 3.XI.1959, Leg. L. Peña ( CNC) ; O’Higgins : 1♀, Candelaria , no date, Leg. NN ( MNHNCL) ; Los Ríos: Isla Mancera ( Porter 1927a) (doubtful, probably error in labeling).

References. Macquart, 1846: 252 (desc.); Bigot, 1883: 74 (desc.); Willistoni, 1886: 316 (cat.); Reed, 1888: 297 (cat.); Kertész, 1910: 188 (cat.); Porter, 1927b: 122 (cat.); Curran, 1930c: 8 (key); Shannon & Aubertin, 1933: 169 (desc); Curran, 1934: 382 (key); Porter, 1938: 169 (cat.); Stuardo, 1946: 129 (cat.); Fluke, 1957: 64 (cat.); Etcheverry, 1963: 99 (cat.); Etcheverry, 1970: 96 (cat.); Thompson et al., 1976: 74 (cat.); Thompson, 1988: 200, 216 (syn. nov.); Camousseight, 2005: 93 (cat.).

World distribution. Chile.

Chilean distribution. From Antofagasta to O’Higgins region ( Fig. 145 ).

Altitudinal range. From coastal to highland ecosystems (50– 2,000 m.a.s.l.).

Biology and notes. Thompson (1988) revalidated C. longirostre and considered C. concinna as a junior synonym of C. longirostre . This is one of the most common species of the genus, primarily associated with coastal flowering from the Coastal Desert province ( Morrone 2014) and Mediterranean basin of Central Chile. This species has been observed visiting flowers of Cistanthe sp. (César Martínez. CSP record); Echinopsis chiloensis (Colla) Friedrich & G.D. Rowley (Dickson Jorquera, CSP record); Eulychnia iquiquensis (K. Schum.) Britton & Rose (Juan Contreras, CSP record); Euphorbia lactiflua Phil. (Benjamín Castro, CSP record); Fuchsia lycioides Andrews (César Martínez, CSP record); H. foliosus (César Martínez, CSP record); Nolana sp. (Rodrigo Castillo, CSP record); Oxalis sp. (Pedro Vargas and Chris Olea, CSP records); Oxalis gigantea Barnéoud (Francisco Santander, CSP record) and Proustia cuneifolia D. Don (Claudio Arancibia, CSP record).

Conservation status. LC; EOO = 136,631 km 2, AOO = 104 km 2 and 24 localities (or subpopulations).

Figures

FIGURE 145. Distribution map of Copestylum longirostre (Macquart, 1846) (blue circles); Copestylum escomeli (Curran, 1929) (red circles); Copestylum frauenfeldi (Schiner, 1868) (black circles) 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).