Hyperbius geniculatus ( Signoret, 1863 )

Carpintero, Diego Leonardo & Biase, Sebastián De, 2021, Hyperbius joceliae a new species of Ditomotarsinae from Tierra del Fuego, Argentina (Hemiptera: Acanthosomatidae), Zootaxa 4958 (1), pp. 668-677 : 671-672

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.

Distribution. CHILE, ARGENTINA: Neuquén, Río Negro, Chubut, Santa Cruz, Tierra del Fuego.

Host Plant. Unknown.

Figures

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.