Lacrimorpha balbina, Caterino, Michael S. & Tishechkin, Alexey K., 2014

Caterino, Michael S. & Tishechkin, Alexey K., 2014, New genera and species of Neotropical Exosternini (Coleoptera, Histeridae), ZooKeys 381, pp. 11-78 : 41-42

Lacrimorpha balbina sp. n. Fig. 16B, Map 3

Type locality.

BRAZIL: Amazonas, Balbina [1.9553°S, 59.4580°W].

Type material.

Holotype female: "20-30/IV/88 FIT BALBINA Amazonas, Brésil” / "Caterino/Tishechkin Exosternini Voucher EXO-00190" (UFPR).

Diagnostic description.

Length: 1.8 mm, width: 1.6 mm; as for generic description, plus the following specific characters: body rufescent; mandibles lacking basal incisor teeth; apical marginal elytral stria absent, apical sutural striole strongly reduced; basal propygidial stria complete and close to basal margin; ground punctation of propygidium slightly more conspicuous than that of pygidium; pygidium subtriangular, slightly shorter than basal width, apex bluntly subacute; prosternal keel with weak carinal striae in basal half; prosternal lobe with fragment of marginal stria at middle; postmesocoxal stria recurved around coxa to mesepimeron; secondary punctation of sides of metaventrite very shallow and sparse; lateral stria present along metepisternal margin; metepisternum with complete longitudinal stria; 1st abdominal ventrite with lateral stria present along inner edge of metacoxa and bending laterad behind coxa.

Remarks.

This species can be distinguished from the others in the genus by the combination of: relatively weakly produced pygidial apex (Fig. 16B), complete basal propygidial stria, and completely recurved postmesocoxal stria.

Etymology.

This species is named for its type locality, close to the dam of this name northeast of Manaus.