Classification > Family
Ceratopogonidae
> Subfamily
Ceratopogoninae
> Tribe
Ceratopogonini
> Genus
Stilobezzia
> Subgenus
Stilobezzia (Acanthohelea)
Stilobezzia (Acanthohelea) bicinctipes Ingram & Macfie, 1931
female abdomen
Geographic distribution
Distribution
Record
- Argentina
- Río Negro
Other distribution
Chile
bicinctipes Ingram & Macfie, 1931: 195 (female). Type locality: Chile, Llanquihue, Casa Pangue. HT F (BMNH). Distr.- Chile, Argentina (Neuquén: PN Nahuel Huapi, isla Victoria, laguna Mercedes, 40°52'43.4''S, 71°34'41''W, 899 m. Río Negro: PN Nahuel Huapi, Estación Biológica Puerto Blest, 41º01'31.5''S 71º49'21.4''W, 787 m). Refs.: Cazorla & Spinelli, 2015: 162.
Diagnosis: the only Patagonian species of Stilobezzia (Acanthohelea) in which both sexes have a conspicuous mid brown band on the hind femur, the forecoxa is pale and the mid and hind coxae are dark brown. Males hind tarsal claw enlarged, similar to female and parameres’ stem subtriangular. Females abdominal sternite 8 broader than long, anterior margin straight, lateral margins slightly divergent, with a deep, V-shaped posteromedian excavation.
Diagnosis: the only Patagonian species of Stilobezzia (Acanthohelea) in which both sexes have a conspicuous mid brown band on the hind femur, the forecoxa is pale and the mid and hind coxae are dark brown. Males hind tarsal claw enlarged, similar to female and parameres’ stem subtriangular. Females abdominal sternite 8 broader than long, anterior margin straight, lateral margins slightly divergent, with a deep, V-shaped posteromedian excavation.
- INGRAM, A. & J. W. S. MACFIE. 1931. Ceratopogonidae. In: Diptera of Patagonia and South Chile. Part II. Fasc. 4: 155-232.:155-232.
- CAZORLA, C. G & G. R. SPINELLI. 2015. A revision of the Patagonian predaceous midges of the subgenus Acanthohelea of Stilobezzia excluding the S. (A.) edwardsi group (Diptera: Ceratopogonidae). J. Nat. Hist. 49: 155-209.
