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.