Aulonochares lingulatus sp. nov. Figs 1 G–I, 2H, I, 3, 4A

Type material.

Holotype (♂): "SURINAME: Sipaliwini District; 2.97731N, 55.38500W; 200 m; Camp 4 (low), Kasikasima; sandy stream on trail to METS camp; 20.iii.2012; leg. A. Short; SR12-0320-02A" (NZCS). Paratypes (12): FRENCH GUIANA: "Unnamed Trib. To Crique Nouvelle France, 3.59627N, 53.17637W, above Courant double; 09.xi.2016, leg. D. Post" (SEMC, 1, DNA voucher specimen SLE 1173). SURINAME: Sipaliwini District: Same data as holotype (NZCS, SEMC, 10, including DNA voucher SLE 415); same, except "sandy creek, trail to Kasikasima; flotation; 22.iii.2012; SR12-0322-02A" (SEMC, 1).

Differential diagnosis.

Aulonochares lingulatus can be distinguished by its orange brown general coloration (Fig. 1 G–I), and the shape of the median lobe of aedeagus, which is broad and flat (Fig. 2I).

Description.

Body length 6.0-6.5 mm, width 3.2-3.6 mm. General coloration

orange brown (Fig. 1 G–I). Aedeagus (Fig. 2I) with outer margins of parameres subparallel, slightly diverging apically; median lobe flat, gradually widening towards apical region, widely rounded at apex.

Etymology.

Named with the Latin word lingulatus meaning tongue-like, after the shape of the median lobe of the aedeagus in this species.

Distribution.

Aulonochares lingulatus is known from the area surrounding Mt. Kasikasima in Suriname and a locality in central French Guiana (Fig. 3).

Remarks.

All specimens were collected in densely forested sandy streams (Fig. 4A).