Labasiella machupicchu OPITZ nov.sp (Figs 6, 33, 70, 85, 102)

Holotype: ♂. Peru, 1985, W. Wittmer. A second label reads: Machu Picchu, 2000- 2400 M, 15- XII (NHMB).

Diagnosis: This little checkered beetle (3 mm) has a short and thick body. Also, it is the only member of the genus in which the funicular antennomeres are bicolorous.

Description: Size: Length 3.8 mm; width 1.5 mm. Form: As in Fig. 85. Integument: Cranium and thorax dark castaneous, pronotum midline broadly light castaneous; antenna mostly testaceous, funicular antennomeres 3-5 black; mouthparts mostly testaceous, terminal maxillary and labial palpomeres and mandibles brown; legs mostly testaceous, femora infuscated distally, tarsi slightly infuscated; pterothorax brown; elytra mostly testaceous, basal margin, and 2 partially angular fasciae brown, posterior fascia broader than more anterior fascia. Head: Cranium coarsely punctate, antennal funicular antennomeres subfiliform (Fig. 6), capitulum lax, antennomeres 9 and 10 triangular, antennomere 11 globose; eyes small, frons wide (EW/FW 10/30); last maxillary and labial palpomere subsecuriform. Thorax: Pronotum (Fig. 33) with angular tubercle at sides, disc coarsely punctate, with 4 small knobs; elytral asetiferous punctation arranged into 9 punctiform striae, punctation binodal, punctation extends to elytral apex, epipleural margin serrulate near elytral apex. Abdomen: Aedeagus (Fig. 102) very short, distal region of phallobase slightly lobed, tegmen very reduced, submembranous, phallobasic struts confluent with phallobasic apodeme, phallobasic rod long; phallic plates broad, phallic apex short triangular.

Distribution (Fig. 70): This species is known from Peru.

Etymology: The trivial name, machupicchu, constitutes a noun in apposition and refers to the type locality.