Key to the species of Eupholus Boisduval with yellow elytral patterns
1 Elytra with two yellow transverse bands ................................................................................................................. 2
– Elytra with four yellowish to greyish transverse bands ........................................................................................... 4
2 (1) Yellow transverse bands of elytra consisting of yellow scales (Figs. 32–33); rostrum with median furrow (Fig. 7); disc of pronotum evenly convex; medially with weak carina ....................................................... E. mimicus sp. n.
– Yellow transverse bands of elytra consisting of yellow particles that can be brushed away easily (Figs. 34–35); rostrum dorsally almost evenly rounded, medially with fine carina (Figs. 5–6); disc of pronotum broadly impressed along midline, concave ........................................................................................................................... 3
3 (2´) Pronotum and elytra outside of yellow bands with vestiture of small recumbent amygdaloid scales that lend the surface a grey coloration (Figs. 2, 4); long suberect seta-like scales relatively sparse and inconspicuous .............. ....................................................................................................................................................... E. sedlaceki sp. n.
– Pronotum and elytra outside of yellow bands with suberect bristles that contrast to the otherwise nude black surface (Fig. 3). ............................................................................................................................ E. euphrosyne Porion
4 (1´) Elytra with narrow transverse bands, all four yellow ................................................................... E. hudsoni Porion
– Elytra with basal transverse band relatively wide, yellow, apical bands narrower, greyish ........... E. helleri Porion