Stilobezzia ( Acanthohelea ) longisternalis Cazorla and Spinelli, 2012b: 187 Borkent, 2014: 135 A revision of the Patagonian predaceous midges of the subgenus Acanthohelea of Stilobezzia excluding the S. (A.) edwardsi group (Diptera: Ceratopogonidae) Cazorla, Carla G. Spinelli, Gustavo R. Journal of Natural History 2014 2014-08-12 49 1 55 BZJFQ Cazorla and Spinelli, 2012 Cazorla and Spinelli 2012 [311,1072,1603,1627] Insecta Ceratopogonidae Stilobezzia Animalia Diptera 16 15 Arthropoda species longisternalis Acanthohelea  ( Figure 15C)      Stilobezzia( Acanthohelea) longisternalis Cazorla and Spinelli, 2012b: 187(male, female; Argentina);  Borkent, 2014: 135(in online World catalogue).    Diagnosis The only Patagonian species of  Stilobezzia( Acanthohelea)in which males have the sternite 9 with an elongate, slender posteromedian projection. Females scutum with 14 large and 13 thinner setae and the abdomen brown except the abdominal segment 8 heavily sclerotized.    Distribution  Argentina( Río Negro) ( Figure 20).   Types   Holotypemale, allotypefemale, Argentina, Río Negro prov., Parque Nacional Nahuel Huapi, arroyo Ñireco(Complejo Challhuaco), 41°11 ′51.9 ″S, 71°19 ′40 ″W,  962 m,  20 December 2006to  23 January 2007, J. Massaferro– A. Garre– F. Montes de Oca, Malaise trap( MLPA). Other paratypes: 11 males, as follows: same data as holotype, 8 males; Parque Nacional Nahuel Huapi, mallin de los Patos, 41°15 ′48.6 ″S, 71°17 ′50.3 ″W,  1020 m;  December 2006to  23 January 2007, A. Garre– F. Montes de Oca, 3 males, Malaise trap.    Remarks This species was described and illustrated in detail by Cazorla and Spinelli (2012b). 2006-12 2007-01-23 2006-12 MLPA J. Massaferro & A. Garre & F. Montes de Oca & Other & Parque Nacional Nahuel Huapi & Patos Argentina Parque Nacional Nahuel Huapi 962 -41.2635 Montes de Oca 1 -71.2973 Nireco 17 16 22 22 Rio Negro holotype