Conocephalus (Opeastylus) vitticollis (Blanchard, 1851)
 
outline of cephalic view of fastigium (male)

Source: Rehn, J.A.G. & Hebard. 1915. Trans. Amer. Entomol. Soc. 41(2):225-290, Pl. XXI-XXIV, Pl. XXII, Fig. 2