Phylogeny of the old and fragmented genus Austrocoenosia Malloch reveals new evidences on the morphology and evolution of the genera Coenosia Meigen and Neodexiopsis Malloch (Diptera: Muscidae) Patitucci, Luciano Damian Mulieri, Pablo Ricardo Couri, Marcia Souto Dominguez, Martha Cecilia Arthropod Systematics & amp; Phylogeny 2023 2023-07-21 81 611 653 WV3S CD33DAD9-8726-5BF8-A3A4-780BAAFD1E23 Stein, 1911 Stein 1911 Insecta Muscidae Coenosia CoL Animalia Coenosia ignobilis Diptera 0 611 Arthropoda species ignobilis  Male (Fig. 17A). Length. Body: 3.05-3.27 mm, wing: 3.00-3.10 mm. Head: (Fig. 17B). Frons at vertex about one third of the head width. Frons, fronto-orbital plate, parafacial and gena dark brown with grey pollinosity; 3-4 pairs of frontal setae. Frons longer than wide, with frontal triangle long, light grey, reaching lunula. Gena height less than the width of postpedicel. Fronto-orbital plate with 3-5 little setulae, close to parafacialia. Antenna black, apical angle of postpedicel acute; in lateral view inserted at the mid-level of the eye; arista with its longest microtrichia with similar length than its basal diameter. Thorax: (Fig. 17C). Black with grey pollinosity, with a dark-brown vitta along acrosticals setae and a vitta between dorsocentral and intra-alar rows of setae; anterior and posterior spiracles grey. Chaetotaxy: acr s short and irregular, the anterior presutural acr s with similar length to the eaDC; dorsocentrals 1+3, eaDC is less than one third of the aDC. Katepisternum with 2-3 setulae. Wing: Tegula black. Both calypters whitish hyaline with white margins; halter yellow. Legs: Black, apex of fore femur, basal half of mid and hind femora, and tibiae yellow; tarsus black. Fore femur with a row of strong pd, a row of strong pv setae, and a row of av setae at basal third. Mid femur with 5-6 setae on anterior surface on basal half, 2-3 pv and 2-3 av setae on basal third, 2 preapical setae on pd to posterior surface; mid tibia with one ad and one pd median setae, ad seta longer and placed more apically than pd seta. Hind femur with a complete row of ad and a row of av setae on apical half, with three pv seta on basal third, apical most is the longest of the three. Similar size of claws and pulvilli of the three legs. Abdomen: (Fig. 17D). Black, with grey pruinosity, tergites 3-5 with two dark brown spots. Tergite 6 partly visible in dorsal view. Sternite 5 broader than long, apical margin concave with a "U"shape, and with membrane; setae concentrated on the lobes and some long and strong on apical margin (Fig. 17E). Terminalia: Cercus curved in lateral view, keels only on basal two-thirds, apical margin straight (Fig. 17F, G). Surstylus longer than broad, wide at base and tapering towards apex, straight, sclerotized (Fig. 17H). Hypandrium tubular, wider than long, distal extreme exposing the phapod, and with several hairs on ventral surface. Aedeagus with pregt developed and sclerotized; pgt developed; epiphalus slightly sclerotized, and distiph tubular, sclerotized at base, and with spines on lateral surface (Fig. 17G, I-J).   Figure 17.  Coenosia ignobilis, male. ALateral view, Bhead, frontal view, Cthorax, dorsal view, Dabdomen, dorsal view, Efifth sternite, Fcercus and surstylus, dorsal view, Gcercus, surstylus and phallic complex, lateral view, Hdetail of surstylus, distal tip (SEM), Iphallic complex, lateral view, Jdetail of phallic complex, distal tip (SEM). Scale bar: 1 mm (A), 0.5 mm (B-G), 0.05 mm (H), 0.1 mm (I-J). Hairs on ventral surface of hypd and spines on lateral surface of distiph - red arrows.  Female (Fig. 18A, B). Length. Body: 3.70-4.40 mm, wing: 3.50-4.24 mm. Differs from male as follows: Legs: Mid and hind femora more yellow, hind tibia with one long ad, one short av, and one long pd setae on middle third. Ovipositor: Tergites 6, 7, and 8 with two long and wide sclerotized plates; epiproct triangular, with hair-like setae, shorter than cercus (Fig. 18C). Sternites 6 and 7 with one long and wide plate; sternite 8 with one central plate and two small, linear, and sclerotized plates each with 4-5 setae on distal margin; hypoproct triangular, setulose, with several strong setae on distal margin (Fig. 18D). Spermathecae (Fig. 18E).   Figure 18.  Coenosia ignobilis, female. ALateral view, Bhead, frontal view, Covipositor, dorsal view, Dovipositor, ventral view, Espermathecae. Scale bar: 1 mm (A), 0.5 mm (B-D), 0.1 mm (E).  Type material.   Paratype.Male; ZMUH [pinned, in good condition]. Original labels: "PARALECTOTYPE ♂ / Coenosia/ Coenosia ignobilis/ Stein, 1911 / Des.A.C. Pont 1999" printed, on white paper; " Coenosia/ Coenosia ignobilis/ Typo Stein" handwritten, on white paper; "Type"printed on red paper; "Chile [printed] / 20.IX.02 [handwritte] / Quillota [printed]" on green paper.  Additional material examined.   ARGENTINA-  Chubut province• 2 females; PNLA,  CabanaLa Cascada; -42.888499, -71.592376;  532 ma.s.l.; Feb 2013; Mulieri, Patitucci& Olealeg.; MACN•  5 females, 5 males; PNLA, Seccional Lago Verde; -42.718803, -71.727470;  538 ma.s.l.; Oct 2014; Mulieri& Patituccileg.; MACN•  1 female; PNLA, Puerto Mermoud; -42.723248; -71.748801;  521 ma.s.l.; 25 Oct 2014; Torrettaleg.; MACN•  3 males; PNLP,  Gendarmeria; -42.097468, -71.681953;  200 ma.s.l.; 07-11 Jan 2012; Mulieri& Patituccileg.; MACN•  1 male; PNLP, Intendencia; -42.085077, -71.614662;  195 ma.s.l.; 16 Jan 2011; Mulieri& Patituccileg.; MACN•  1 female, 9 males; PNLP, La Playita; -42.099032, -71.607425;  205 ma.s.l.; 09 Jan 2012; Patituccileg.; MACN•  1 female; PNLP, Rio Azul; -42.0916, -71.6155;  184 ma.s.l.; 17 Jan 2011; Mulieri& Patituccileg.; MACN•  2 females; PNLP,  RioTurbio; -42.228541, -71.666482;  204 ma.s.l.; 12 Jan 2011; Mulieri& Patituccileg.; MACN. -    Neuquenprovince• 1 female; Cerro Chapelco; -40.197050, -71.298453;  1400 ma.s.l.; 15 Feb 1983; M. Gentili& P. Gentilileg.; IFML•  4 females, 1 male; San Martinde los Andes, Truran Kura;  1000 ma.s.l.; 27 Sep 1986; M. Gentili& P. Gentilileg.; IFML. -    RioNegro province• 3 males; PNNH, Lago Guillelmo; -41.358807, -71.515071;  833 ma.s.l.; 14 Sep-01 Oct 2008;  Garre& Montesde Oca leg.; MLP; Malaise.  CHILE-   Regionde la Araucania• 1 female; Angol; -37.7800, -72.7500; 15 Sep 1926; JR Mallochdet.; SM Lopesleg. MNRJ.  Distribution (Fig. 27G). ARGENTINA: Chubut (new record), Neuquen(new record), RioNegro. CHILE: Arch. Juan Fernandez, R. de la Aruacania, R. de Valparaiso.  Remarks.  Stein (1911)described  Coenosia ignobiliswith male and female specimens from Chile. Later, Malloch (1934)studied a large series of male and female specimens from Argentina and Chile, presented a brief description, and considered it as part of  Austrocoenosia. Later, Couri and Albuquerque (1979)observed a female specimen from the series of specimens studied by Malloch (op. cit), and included the species as part of the genus  Neodexiopsis. Pont (2001)designated lectotypes and paralectotypes and established the original combination  Coenosia ignobilis. Recently, Couri and Pont (2020)presented a redescription of the paralectotype housed in ZMUH. 4163101307 2013-02 Mulieri, Patitucci, Olea ARGENTINA 532 -42.8885 Cabana La Cascada 1 -71.59238 2 2 Chubut province 4163101358 2014-10 Mulieri, Patitucci Argentina 538 -42.718803 Seccional Lago Verde 1 -71.72747 10 5 5 Chubut 4163101337 2014-10-25 Torretta Argentina 521 -42.723248 Puerto Mermoud 1 -71.7488 1 1 Chubut 4163101311 2012-01-07 2012-01-11 2012-01-07 Mulieri, Patitucci Argentina 200 -42.09747 Gendarmeria 1 -71.68195 3 3 Chubut 4163101330 2011-01-16 Mulieri, Patitucci Argentina 195 -42.085075 Intendencia 1 -71.61466 1 1 Chubut 4163101325 2012-01-09 Patitucci Argentina 205 -42.099033 La Playita 1 -71.60742 10 1 9 Chubut 4163101354 2011-01-17 Mulieri, Patitucci Argentina 184 -42.0916 Rio Azul 6 -71.6155 1 1 Chubut 4163101309 2011-01-12 Mulieri, Patitucci Argentina 204 -42.228542 Rio Turbio 1 -71.66648 2 2 Chubut 4163101305 1983-02-15 M. Gentili, P. Gentili Argentina 1400 -40.19705 Cerro Chapelco 1 -71.298454 1 1 Neuquen province 4163101344 1986-09-27 M. Gentili, P. Gentili Argentina San Martin 1000 Truran Kura Andes 5 4 1 Neuquen 4163101356 2008-09-14 2008-10-01 2008-09-14 Garre, Montes, Malaise Argentina 833 -41.358807 Lago Guillelmo 1 -71.51507 3 3 Rio Negro province 4163101303 1926-09-15 SM Lopes CHILE JR Malloch -37.78 Angol 6 -72.75 1 1 Region de la Araucania