Tropidia (Tropidia) flavimana Philippi, 1865

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 : 73

Tropidia (Tropidia) flavimana Philippi, 1865

Figs 106–107

Tropidia flavimana Philippi, 1865: 745

Type locality and data. “ Illapel , Chile ” (T, ♂, MNHNCL) .

Material examined. Atacama: 3♂, 2♀, Freirina , 14.X.1969, Leg. L.E. Peña ( MEUC) ; Coquimbo: 3♂, 6♀, El Tangue, 6.II.1969, Leg. L.E. Peña ( MEUC) ; 1♀, Hacienda Illapel , 21–24.XI.1959, Leg. L. Peña ( CNC) ; 2♂, 5♀, El Naranjo, Tilama , XII.1968, Leg. J. Molina ( MEUC) .

References. Philippi, 1865: 745 (desc.); Williston, 1886: 321 (cat.); Reed, 1888: 298 (cat.); Kertész, 1910: 282 (cat.); Porter, 1921: 447 (cat., dist. & notes); Shannon, 1926: 50 (material not examined); Shannon & Aubertin, 1933: 153 (desc. & key); Stuardo, 1946: 126 (cat.); Fluke, 1957: 103 (cat.); Etcheverry, 1963: 88 (cat.); Thompson et al., 1976: 120 (cat.); Camousseight, 2005: 94 (cat.).

World distribution. Chile.

Chilean distribution. From Atacama to Coquimbo region ( Fig. 110 ).

Altitudinal range. This species inhabits inland valley ecosystems (380– 500 m.a.s.l.).

Biology. Tropidia flavimana is associated with shrubland of the Atacama Desert. This species has been observed visiting ‘huingán’ ( Schinus polygama ) (Cav.) Cabrera (R. Barahona-Segovia pers. obs.). Other aspects of its biology and ecology remain unknown in Chile.

Conservation status. EN under B2ab (iii) using AOO = 20 km 2 and five localities (or subpopulations); EOO = 22,153 km 2.

Figures

FIGURE 110. Distribution map of Tropidia flavimana (Philippi, 1865) (black circles); Tropidia rubricornis Philippi, 1865 (violet circles); Tropidia notata (Bigot, 1882) (red circles); Tropidia nigricornis Philippi, 1865 (green circles) and Syritta flaviventris Mcquart, 1842 (blue circles) in Chile.

FIGURES 104–109. Syritta flaviventris Mcquart, 1842: (104) visiting a ‘margarita’, Maipú (photo by Pablo Moreno). Tropidia notata (Bigot, 1882): (105) dorsal view (photo by Vicente Valdés). Tropidia nigricornis Philippi, 1865: (106) in situ lateral view and (107) dorsal view (Photos by Vicente Valdés). Tropidia flavimana (Philippi, 1865): (108) lateral and (109) dorsal view (photos by Vicente Valdés). Scale bars = 0.2 mm.