Dolichogyna (Dolichogyna) abrupta Hine, 1914

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 : 28-29

Dolichogyna (Dolichogyna) abrupta Hine, 1914

Figs 29–30

Dolichogyna abrupta Hine, 1914: 342

Type locality and data. “ Peru. Arequipa ” (T, ♂, OHSU) .

Material examined. Arica y Parinacota: 1♀, Putre, 26.II.1948, Leg. NN ( IEUMCE) ; 1♂, 2♀, Putre, 3520 m, VI.1979, Leg. G. Díaz P. (UTA) ; 1♀, Socoroma, 23.VI.1977, Leg. G. Díaz P. (UTA) ; Tarapacá: (sex undetermineted) Camiña , 09.IX.1983, Leg. S. Cerda ( MNHNCL) ; 1♂, Mamiña, 22.VII.1966, Leg. J. Herrera ( IEUMCE) ; 1♂, 2♀, Miñita, II.1976, Leg. N. Hichins (UTA) ; Antofagasta: 1♀, Calama, 07.XII.1959, Leg. NN ( IEUMCE) ; 1♀, Toconao, El Loa, 12.I.1986, Leg. G. Cerda ( MNHNCL) ; O’Higgins: 2♂, Termas de Cauquenes, 22.III.1969, Leg. N. Hichins ( MEUC) ; Los Lagos: 1♂, Guabun, 17.II.1964, Leg. NN ( IEUMCE) ; 1♂, Ancud, 17.II.1964, Leg. NN ( IEUMCE) .

References. Hine, 1914: 342 (desc.); Fluke, 1951a: 472, fig. 4–5, 23 (desc.); Fluke, 1957: 121 (cat.); Etcheverry, 1963: 29 (cat.); Thompson, 1972b: 96, 134, fig. 16 (head, lateral, male), fig. 49 (male genitalia), 49a (aedeagus and apodeme), 49e (ejaculatory apodeme), 49s (sternum), 49t (tergum) ( Milesiinae rev.); Thompson et al., 1976: 97 (cat.).

World distribution. Peru and Chile.

Chilean distribution. From Arica y Parinacota to Los Lagos region ( Fig. 39 ).

Altitudinal range. From coastal to highland ecosystems (10– 3,800 m.a.s.l.).

Biology and notes. Dolichogyna abrupta is the smallest species of this genus in Chile. Nothing is known about the biology of this species.

Conservation status. LC; EOO = 1,231,176 km 2; AOO = 52 km 2, 12 subpopulations and 13 localities.

Figures

FIGURE 39. Distribution map of Dolichogyna species in Chile: D. abrupta Hine, 1914 (Blue circle); D. chilensis Walker, 1836 (red circles); D. hinei Fluke, 1957 (black circles); D. nigripes Bigot, 1884 (green circles); D. pictus (Philippi, 1865) (yellow circles); D. pennipes (Sack, 1941) (violet star) and D. reynoldsi Shannon & Aubertin, 1933 (violet circles).

FIGURES 29–34. Dolichogyna abrupta Hine, 1914: (29) female, head and (30) female, dorsal view. Dolichogyna chilensis Walker, 1836: (31) male, head and (32) male, dorsal view- Dolichogyna hinei Fluke, 1957: (33) female, head and (34) female, dorsal view. All photos by Vicente Valdés. All scale bars = 1 mm.