Oculogryphus bicolor Jeng, Branham & Engel 2011

Oculogryphus bicolor, is a species of firefly beetles belonging to the family Lampyridae. It is endemic to Vietnam.

Body length of male is 6.2–8.2 mm. Body elongate oval and depressed. Vivid light brown-tan body. Elytra brown. slightly broader elytral epipleura.

Male. BL: 6.2-8.2 mm; BW: 2.7-3.4 mm; PW/PL = 1.5-1.6; EL/ EW = 3.6-3.8; EL/PL = 3.8-4.4; BW/PW = 1.4-1.5. The species is very similar to the type species in general morphology except the aforementioned differences, and need not be repeated here. As described forOculogryphus fulvusexcept: aedeagal sheath has length of 0.9 mm and width of 0.6 mm; abdominal tergites IX and X clearly recognizable individually (Fig. 5); aedeagus about 0.75 mm in length and 0.4 mm broad; parameres comparatively elongate, about as long as basal piece laterally (Fig. 6).