Oxathres maculosa sp. nov.

(Fig. 6)

Description. Male. Integument dark-brown. Pubescence mainly grey-yellowish. Basal 1/3 of the antennomeres III – VI, VIII and X covered with white pubescence. Head with two parallel and approximate longitudinal yellowish lines from the anterior part of the frons to the occiput. Four patches of yellow-whitish pubescence in each side of the anterior and posterior margins, the patches in one specimen fused to form four longitudinal lines, alternating with brownish-black pubescence Elytra with three transverse fascia of dark-brown pubescence with irregular margins, the first in the basal 1/3, the second post-median and the last ante-apical.

Antennae reaching the apices of the elytra in the distal extreme of antennomere VII. Prothorax laterally armed with a post-median acute tubercle. Pronotum with a transverse row of punctures near the posterior margin. Elytra without longitudinal carinae near the suture; apices obliquely truncated, angles slightly produced. Surface densely punctured in the basal half, more scattered in the distal half. Apex of the fifth urotergite transversely truncated; fifth urosternite semicircularly emarginated.

Female. Antennae reaching the apices of the elytra in the distal extreme of antennomere X. Apex of the fifth urotergite acute; fifth urosternite semicircularly emarginated.

Measurements (mm), male/female. Total length, 7.0 – 8.5/7.3; prothorax length, 1.2 – 1.5/1.4; prothorax width, 2.0 – 2.6/2.3; elytral length, 5.1 – 6.4/5.3; humeral width, 2.5 – 3.2 /2.8.

Etymology. Latin, maculosa, allusive to the spots in the prothorax and elytra..

Type material. Holotype male, BOLIVIA, La Paz: Inquisivi (Plazuela), XII.1984, L. E. Peña G. col. (MNRJ). Paratypes: Santa Cruz: Provincia Florida, Chaco above Achira (1730 m), male, female, 22 – 25.I.2007, Wappes & Lingafelter col. (ACMT). Dept. Florida, Prov. Vicoquin, area above Achira, road to Amboró, (18°07’S, 63°47’W, 1730 m), 4 males, 22 – 25.I. 2007, Lingafelter, Wappes & Prena col. (3 males USNM, male, SLPC); Florida Prov., Refugio los Volcanes, (18°06’S, 63°36’W, 1045 m), female, 10 – 13.XII. 2008, S. Lingafelter, T. Henry & D. Windsor col. (SLPC); Florida Prov., Achira Resort, 7 km NE of Samaipata, (18°09’S, 63°49’W, 1350 m), male, 22 – 25.I.2007, Lingafelter, Wappes & Prena col. (SLPC).

Comments. O. maculosa sp. nov. can be recognized by the pronotum with alternate longitudinal lines of yellow and black pubescence