Athaumastus subcarinatus ( Stal )

Pall, Jose Luis & Coscaron, Maria del Carmen, 2013, Synopsis of Acanthocerini (Hemiptera, Coreidae) from Argentina, ZooKeys 305, pp. 33-53 : 37

Athaumastus subcarinatus ( Stal) Figs 11-14, 40

Crinocerus subcarinatus Stål 1859: 455.

Athaumastus subfoveolatus Berg 1892: 66. –Coscarón 1998: 4.

Athaumastus subcarinatus Pennington 1920: 13.-Pennington 1921: 38.-Quintanilla et al. 1968: 31.-Quintanilla et al. 1976: 118.Viana and Williner 1978: 74.

Redescription.

Male: n=8. Total body length: 12.4-13.0; head length: 0.8-1.1; head width: 1.4-1.5; eye width: 0.2-0.3; interocular space: 0.8; preocellar distance: 0.3; interocellar space: 0.2. Rostrum: I 0.4-0.7, II 1.1, III 0.7, IV 0.4-0.6. Antennal segments: I 1.3-1.7, II 1.5-1.9, III 1.4-2.1 and IV 1.3. Pronotum length: 2.2-2.7; width: 3.4-3.9. Scutellum length: 1.4, wide 1.6. Length of abdomen with hemelytra: 8.0; length of abdomen with hemelytra: 9.0; abdomen width: 4.0-4.1. Dorsal coloration: Head including antennal segments 1-3 brown, 4 dark brown. Pronotum brown, margins light brown. Scutellum and corium brown tinged with dark red, hemelytral membrane dark brown. Connexival segments light brown. Ventral coloration: Ground color brown with following areas dark brown: mesosternun, metapleura, and abdomen not homogeneously dark brown. Fore- and middle legs light brown, hind leg dark brown. Structure: head granulate brown; antennal segment IV pilose; pronotum granulate. Frontal angles rugose, with a projecting as acute spines; humeral angles with two rounded projections. Scutellum granulate, dark brown. Metafemora with two rows of 6 spines; tibia with small teeth basally. Hemelytra granulated brown tinged with dark red, shorter than abdomen.

Specimens examined.

Argentina: Buenos Aires: 1♀ Junín (34°35'16.37"S, 60°58'45.71"W). Córdoba: 1♀ Villa Nueva (32°26'08.91"S, 63°14'59.39"W). Formosa: 1♀ Almirante Brown (24°47'56.53"S, 60°27'58.83"W). Misiones: 1♀ 1♂ Loreto (27°18'59.85"S, 55°32'00.04"W).

Distribution.

Argentina: Córdoba: Carlos Paz, San Javier; Corrientes: Capital Department, Lavalle Department; Entre Ríos: Concordia Department, Federación Department, Gualeguachú Department, Paraná Department, Villaguay Department; Salta.

Remarks.

These are the first records of this species from Buenos Aires, Formosa, and Misiones.