Description. Male holotype. Length 2.0 mm, width 1.7 mm; dorsal surface shiny, head distinctly alutaceous, elytron with faint trace of microsculpture. Color yellow; scutellum brown; elytron with suture narrowly bordered with light brown from scutellum to apex, faint, longitudinal macula on humerus from base of elytron across callus, row of punctures in lateral 1/4 brown from base of elytron to apical 1/8 (Fig. 30) metasternun medially brown; apex of median projection of basal abdominal ventrite dark brown. Head with dense punctures separated by less than a diameter; pronotal punctures small, separated by a diameter or less; elytral punctures larger than on pronotum, separated by up to twice diameter; prosternal punctures small, indistinct, separated by about a diameter; mesosternal punctures larger than on prosternum, separated by less than a diameter, metasternal punctures large, separated by 1 to 3 times diameter medially, absent in lateral 1/3; abdominal ventrites 1, 2 with fine punctures separated by less than to 3 times a diameter medially, ventrites 3, 4 finely, densely punctured medially; ventrite 5 finely, densely punctured. Head with frons strongly narrowed from base to apex of clypeus, depressed medially, 1.2 times as wide as eye, clypeal apex weakly curved (Fig. 31); eye canthus short, about half width of eye. Prosternum with lateral carina on each side curved, extended from apex of intercoxal process to lateral margin of prosternum. Epipleuron weakly descending externally. Postcoxal line on basal abdominal ventrite curved except median portion slightly flattened, extended 3/4 distance to rear margin of ventrite. Genitalia lost.

Female. Unknown.

Variation. Unknown.

Type material. Holotype male: Huachi, Rio Beni, Boliv. (Bolivia), WM Mann, Mulford Bio Expl 1921- 22 (USNM).

Remarks. Calloeneis leticia is a pale, nearly all yellow species with faint brown elytral maculation. Genitalia are unknown because they were lost in dissection, in part because the holotype is a somewhat teneral specimen. Therefore, a completely mature example may exhibit more strongly defined elytral maculation.