Streptocranus petilus Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 315.
2.3 mm long (n = 1); 3.83 times as long as wide. This species can be distinguished by its small size; elytra with sides nearly parallel from base to apex; declivital interstriae 1, 3 with 2−3 granules; and elytral distal projection short, subquadrate, strongly carinate.
Streptocranus bicolor, S. fragilis, and S. mirabilis
This species is only known from Hevea brasiliensis (Euphorbiaceae) (Smith et al. 2020b).
Sequences available for COI and CAD.