Taxonomic review of the species of Helina R. - D. (Diptera: Muscidae) from Andean-Patagonian forests Author Patitucci, Luciano Damián Author Mulieri, Pablo Ricardo Author Mariluis, Juan Carlos text Zootaxa 2016 4150 3 281 313 journal article 10.11646/zootaxa.4150.3.3 e98edafd-7489-488d-ab8a-276a4a4926a4 1175-5326 265618 79657D7A-324F-4539-A80F-E11BB4189753 Helina Robineau-desvoidy, 1830 Diagnosis to Helina species of Andean-Patagonian forests . Black species, with grey or brownish-yellow pollinosity [except H. viola with metallic blue color]; presutural acrostichal setae differentiated; dorsocentral setae 2+3-4; prealar present; katepisternal setae 2+2; prosternum and anepimeron bare; veins bare; lower calypter glossiform; legs black, yellow or black and yellow; fore tibia with 1 or 2 median setae on posterior surface; calcar absent. To avoid lengthy and redundant descriptions, the characters listed below, present in all species of Helina described in this article, will not be repeated in each description. Male . Head : frontal vitta black; gena with black setae; inner vertical setae convergent and outer vertical setae divergent; antenna in lateral view inserted at the midlevel of the eye; palpus filiform. Thorax : intra-alar setae 1+2; supra-alar setae 1+2; notopleuron bare; scutellum with long and strong lateral and apical setae; proepisternals 2, the anterior one smaller; proepimerals 2; katepisternals 2+2; anepimeron, katepimeron and meron bare; prosternum bare. Wing : veins bare; lower calypter glossiform; halter and knob yellow. Abdomen : Sternite 1 bare. Female . Head : interfrontal cruciate setae absent. Terminalia : intersegmental membrane without microtrichiae. Tergites 6 and 7 divided into 2 enlarged parallel scletotized plates. Sternites 6 and 7 with one central plate; sternite 8 with 2 parallel sclerotized plates, with setulae on the distal margin. Three spermathecae.