Valdiviomyia shannoni Thompson

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 : 71

Valdiviomyia shannoni Thompson in Thompson & Thompson (2017)

Figs 101–102

Valdiviomyia pucara Mengual 2017: 436

Type locality and data. “ Nahuelbuta National Park , Chile ” (H, ♂, MNHNCL) .

Material examined. Biobío: 1♂, Nahuelbuta National Park , 15.I.1978, Leg. Cerda ( MNHNCL); La Araucanía: 1♀, Parque Nacional Conguillio , 2.II.1983, Leg. E. Krahmer ( UACH) .

References. Thompson & Thompson, 2017: 17, figs 1–2 (desc. & key); Mengual, 2017: 436, figs 14–19 & 24–26 (key & desc.); Thompson, 2018: 651 (junior synonymy).

World distribution. Argentina and Chile.

Chilean distribution. Only recorded from Biobío to La Araucanía region ( Fig. 103 ).

Altitudinal range. From precordillera to the highland ecosystems (1,400–2,800 m.a.s.l.).

Biology and notes. All basic aspects of its biology and ecology remain unknown.

Conservation status. EN under B2ab (iii) using AOO = 8 km 2 and two localities (or subpopulations).

Figures

FIGURE 103. Distribution map of Valdiviomyia camrasi (Sedman, 1965) (blue circles); Valdiviomyia darwini (Shannon, 1927) (red circles); Valdiviomyia edwardsi (Shannon & Aubertin, 1933) (black circles); Valdiviomyia gigantea Thompson, 2017 (Brown circles); Valdiviomyia nigra (Shannon, 1927) (pink circles); Valdiviomyia ruficauda (Shannon, 1927) (yellow circles); Valdiviomyia shannoni Thompson 2017 (green circles); Valdiviomyia valdiviana (Philippi, 1865) (black triangle) in Chile.

FIGURES 97–102. Valdiviomyia nigra (Shannon, 1927): (97) lateral and (98) dorsal view. Scale bar = 4 mm. Valdiviomyia ruficauda (Shannon, 1927): (99) lateral and (100) dorsal view. Scale bar = 1 mm. Valdiviomyia shannoni Thompson 2017: (101) lateral and (102) dorsal view. Scale bar = 1 mm. Photos by Vicente Valdés.