Classification > Family
Ceratopogonidae
> Subfamily
Ceratopogoninae
> Tribe
Ceratopogonini
> Genus
Stilobezzia
> Subgenus
Stilobezzia (Acanthohelea)
Stilobezzia (Acanthohelea) downesi Cazorla & Spinelli, 2012
Holotype male, slide
Geographic distribution
Distribution
Record
- Argentina
- Neuquén
Other distribution
Chile
downesi Cazorla & Spinelli, 2012a: 77 (male, female). Type locality: Chile, Osorno, Pucatrihue. HT M (MLPA). Distr.- Chile, Argentina (Neuquén: PN Nahuel Huapi, mallín La Heladera, 41°00'56''S, 71°49'45.4''W, 878 m). Refs.: Cazorla & Spinelli, 2012a: 77.
Diagnosis: the only Patagonian species of Stilobezzia (Acanthohelea) in which males have the posterior margin of tergite 9 pointed, parameres very broad at midportion, bearing inner and external pointed projections, and distal portion single, lightly sclerotized, curved mesad to narrow blunt tip; females have sternite 8 with anterior margin straight, lateral margins divergent and posteromedian excavation V-shaped, not sclerotized.
Diagnosis: the only Patagonian species of Stilobezzia (Acanthohelea) in which males have the posterior margin of tergite 9 pointed, parameres very broad at midportion, bearing inner and external pointed projections, and distal portion single, lightly sclerotized, curved mesad to narrow blunt tip; females have sternite 8 with anterior margin straight, lateral margins divergent and posteromedian excavation V-shaped, not sclerotized.
- CAZORLA & SPINELLI. 2012a. A revision of the Neotropical predaceous midges allied to Stilobezzia (Acanthohelea ) edwardsi Ingram and Macfie, with a phylogenetic analysis (Diptera: Ceratopogonidae). Insect Syst. Evol. 43: 67-97.:67-97.
