Hyperbius joceliae a new species of Ditomotarsinae from Tierra del Fuego, Argentina (Hemiptera: Acanthosomatidae) Author Carpintero, Diego Leonardo 0000-0003-2720-4276 División Entomología, Museo Argentino de Ciencias Naturales “ Bernardino Rivadavia ” Av. Ángel Gallardo 470. (1405), Ciudad Autónoma de Buenos Aires, Argentina. & dcarpint @ macn. gov. ar, https: // orcid. org / 0000 - 0003 - 2720 - 4276 Author Biase, Sebastián De División Entomología, Museo Argentino de Ciencias Naturales “ Bernardino Rivadavia ” Av. Ángel Gallardo 470. (1405), Ciudad Autónoma de Buenos Aires, Argentina. & seba. de. biase @ gmail. com text Zootaxa 2021 2021-04-14 4958 1 668 677 journal article 7197 10.11646/zootaxa.4958.1.42 9e1d05ca-e6cd-41af-820b-68a243c3d5ea 1175-5326 4692789 0528A3A7-B5DC-4A59-8B52-9792B2AB7E0A Hyperbius geniculatus ( Signoret, 1863 ) ( Figs 7–12 ) Ditomotarsus geniculatus Signoret, 1863: 549 [nueva especie: Chile ]. Hyperbius geniculatus : Stål, 1868: 534 ; Berg, 1892: 50 [ Argentina : Chubut ]; Breddin, 1897: 340 [ Argentina : Patagonia del Sur. Chubut ]; Kirkaldy, 1909: 180 [ Argentina : Patagonia del Sur]; Pennington, 1920: 10 [ Argentina : Chubut ; Rio Negro; Santa Cruz ; Tierra del Fuego ]; Kumar, 1974: 11 [ Argentina : Chubut : Epuyen, Rio Turbio]; Faúndez, 2007: 77 ; Carvajal et al ., 2015a: 148 ; Grazia & Schwertner, 2015: 836 . Studied material. ARGENTINA : Neuquén , 1 Male , 4 Females , 7927. ( MACN ) ; Río Negro , 4 Females , 4 broken specimens, 10264, 22- VII- 1910 , A. Breyer ( MACN ) ; 1 Female , 10185, J. Koslowsky ( MACN ) ; Chubut , 1 Male , M. J. Viana. ( MACN ) ; 3 Males ( MACN ) . Female: We have only measured females to be able to compare the morphology with H. joceliae . Measurements (n = 6): Total length: 6.84 (7.24) 7.63; width: 3.63 (3.95) 4.21. Head. Length: 1.32 (1.37) 1.45; width: 1.74 (1.84) 1.89; interocular space: 0.95 (1.06) 1.13; antennal segment lengths: 0.45 (0.48) 0.53; II: 0.82 (0.87) 0.92; III: 0.42 (0.43) 0.45; IV: 0.63 (0.70) 0.76; V: 0.74 (0.78) 0.82. Pronotum. Length: 1.37 (1.45) 1.50; width at base: 3.10 (3.39) 3.68. Diagnostic characters. General color blackish with well-marked punctures and smooth pale yellowish areas, particularly along the clavo-corial suture, margins of pronotum and exocorium ( Fig. 7 ). Head ( Fig. 8 ) with two longitudinal pale yellowish lines behind the ocelli and a rounded spot between them of the same color, all them well marked. Dorsally with thick, well-defined punctures. Mandibular plates just surpassing the apex of the anteclypeus. Antennae with the segment I exceeding the apex of the head. Female genitalia ( Fig. 11 ). First gonocoxae wide, black, markedly rough longitudinally; second gonocoxae semicircular, dark brown, with transverse roughness; paratergite 9 subtriangular, apically acute, black and rough, with outer margin clear and smooth. FIGURES 7–12. Hyperbius geniculatus (Signoret) . 7. Dorsal View. 8. Head. Fig. 9. Metapleura. 10. Pendergrast’s Organ. 11. Female genitalia. Caudal view. 12. Male genitalia. Caudal view. Distribution. CHILE , ARGENTINA : Neuquén , Río Negro, Chubut , Santa Cruz , Tierra del Fuego . Host Plant. Unknown.