Laminiceps gelidus sp. nov.

(Figs. 28, 55, 84, 95–96)

Type locality. Brazil, Corumba (Matto Grosso) .

Description. Holotype male. Dorsal coloration. Head black with bluish green reflections; tylus yellow; antennal segments I–IV black; pronotum dark brown with bluish green reflections; collar and anterior half of the anterolateral borders yellow; scutellum black with bluish green reflections, apex yellow; clavus and corium black with bluish green reflections; hemelytral membrane dark brown; connexival segments and dorsal abdominal segments black. Ventral coloration. Head yellow with the area behind eyes brown; buccula yellow; rostral segments I–IV brown; thorax yellow; supracoxal spine, meta-acetabulae and broad mark near inner margin of mesopleura black with bluish green reflections; coxae and trochanters yellow; fore and middle femora black with bluish green reflections; hind femora with anterior half yellow and posterior half including the spines black with bluish green reflections; tibiae and tarsi dark brown; abdominal sterna III–VII yellow; pleural margins of abdominal sterna III–VII and genital capsule black with bluish green reflections. Structure. Head. Antennal segment III uniformly elongate, relatively robust; rostrum reaching posterior border of mesosternum. Thorax. Pronotum. Trapeziform; anterolateral and posterolateral margins almost smooth; posterior border straight; humeral angles subacute, not exposed. Genital capsule. Posteroventral border slightly convex (Fig. 84). Parameres. Figs. (95–96).

Measurements. Male. Body length 17.65; head length 1.73; head width across eyes 2.74; interocular distance 1.17; interocellar distance 0.49; preocular distance 0.95; length antennal segments I 3.72, II 3.22, III 1.98, IV 6.07; length rostral segments, I 1.33, II 1.57, III 1.24, IV 1.05; pronotum total length 3.90; maximum width across humeral angles 6.38; scutellum length 2.94, width 1.75.

Female. Unknown.

Type material. HOLOTYPE male: BRAZIL: Corumba, Matto Grosso, whithout date (H. G. Barber, colln. 1950) (USNM).

Etymology. From the Latin “ gelidus ” meaning cold, frosty, icy.

Discussion. Differential diagnosis. Like L. eustoliana (Figs. 29, 56), here described with scutellum black with bluish green reflections, and apex yellow; clavus and corium black with bluish green reflections; tylus and buccula yellow; antennal segments I–IV black; supracoxal spine black to dark brown with bluish green reflections; abdominal sterna III–VII yellow; male genital capsule black with bluish green reflections; and antennal segment III uniformly elongate. In L. eustoliana, the hind femora are yellow with apical border and spines black; pronotum black with bluish green reflections, with collar, callar region, most of anterior pronotal disk, and anterolateral borders yellow (humeri black with bluish green reflections); pleural margin of abdominal sterna III yellow, and IV–VII yellow with apical border dark brown. In L. gelidus sp. nov., (Figs. 28, 55), the hind femora have the anterior half yellow, and posterior half including the spines black; pronotum black with bluish green reflections and only collar and anterior half of anterior border yellow; and pleural margins of abdominal sterna III–VII black with bluish green reflections.