Lasiochilus (Lasiochilus) colpoides n. sp.

(Fig. 195)

Diagnosis: Characterized by the left paramere apically strongly curved (90º), sexual pterygodimorphism, and wider interocular space.

Description: Measurements, see Table VI. Male: Dorsal view: Brachypterous. Oval, slightly flattened dorsally. General coloration pale brownish with hemelytra brown (excepting base of clavus and exocorion, pale brownish). Dorsal setae long, sparse, setae longer on head and margins of pronotum. Head: Smooth, shining, prolonged anteriorly nearly twice the length of one eye; ocelli reduced, interocular space wide (Fig. 201); antennal segment II slightly thickened towards the apex, and longer than head. Thorax: Pronotum small, shining, subquadrangular, flattened, with lateral margins slightly sinuate, rounded posterior angles and posterior margin a little concave; pronotal lobes smooth, not well delimited (Fig. 202). Forefemora slightly wide than those of the other species, unarmed; foretibiae armed with row of short teeth on apical 2/3 (Fig. 203); pads underdeveloped (Fig. 204); foretrochanters with 1–2 teeth on their inner margin (Fig. 205). Reduced hemelytra with characteristic punctures, with a seta emanating from each (Fig. 207). These reduced hemelytra reach the third abdominal segment, with a well-defined corio-claval suture. Metasternum elongate, wide apically, not sulcate medially (Fig. 206). Abdomen: Hairs on dorsal surface present as a central transverse row on each segment (Fig. 213). Sixth abdominal segment with grouping of slightly acute copulatory teeth, on apical left margin (Fig. 208). Genitalia: Pygophore (Fig. 209) with left paramere long, strongly curved (90º), acute apically (Fig. 210). Female: Macropterous (Fig. 211). Antennal segments (I:II:III:IV) 1: 2.5: 2.1: 2.0. Similar to male in coloration. Parietovaginal gland with double membrana as in Lasiocolpus (Fig. 214). Central punctures on seventh sternite inapparent (Fig. 212).

Distribution: Argentina. (Fig. 200).

Material examined: Holotype ARGENTINA: ♀ Misiones, P. N. Iguazú, X-1980, (at light), Carpintero coll. MACN ; Paratypes ♀ Idem (slide-mounted). MACN; ♀ Idem (slide-mounted). MACN ; Entre Ríos, ♀ Camino a Los Talas, XII-1967. MACN ; ♂ Buenos Aires, I. Talavera, Zárate, XI-1996, M. Ramírez, (slide-mounted). MACN ; ♀ El Cazador, Escobar, (at light), I-1997, Carpintero, (slide-mounted). MACN .

Etymology: The specific name refers to the external similarities with genus Lasiocolpus .

Discussion: This species differs from L. pallidulus by its strongly curved left paramere, darker coloration, pilosity on abdomen as a single row of setae, and by its different measurements.