borkenti Cazorla & Spinelli, 2012a: 74 (male, female). Type locality: Argentina, Neuquén, PN Lanin, lago Rucachoroy, 39°13'59.07"S, 71°10'38.66"W. HT M (MLPA). Distr.- Chile, Argentina (Neuquén: type locality; PN Lanin, Hua Hum, 40°7'13.34"S, 71°39'41.41"W; PN Lanin, lago Lolog, 40°1'32.63"S, 71°21'17.39"W; río Chimehuín at Junín de los Andes, 39°56'0.19"S, 71°3'34.54"W; PN Nahuel Huapi, río Minero, 40°41'23.5''S, 71°17'33.2''W, 832 m; PN Nahuel Huapi, Peninsula Quetrihue, laguna Patagua, 40°51'5.7' S, 71°37'18.3''W, 817 m. Río Negro: Bariloche, Av. Bustillo km 4.7, 41°7'26.50"S, 71°21'44.32"W; PN Nahuel Huapi, río Manso medio, La Cantera, 41°21'16''S, 71°42'27.3''W, 764 m; PN Nahuel Huapi, eastern end lago Nahuel Huapi, 41°3'27.35"S, 71°31'45.71"W; PN Nahuel Huapi, arroyo Vertiente, 41°36'5.8''S, 71°36'24.8''W, 468 m). Refs.: Cazorla & Spinelli, 2012a: 74.


Diagnosis: the only Patagonian species of Stilobezzia (Acanthohelea) in which males have parameres joined at midlength by a narrow, curved, sclerotized process, and the only female in which the posteromedian excavation of sternite 8 is broad and heavily sclerotized, forming a Y-shaped pattern with an anteriorly directed sclerotization.