Amendment to couplet 10, Eya (2015: 376), key to species of the genus Crioprosopus Audinet-Serville
1. Elytra metallic green (or blue) or rusty reddish-brown with metallic green-golden yellow............................................ 2 (continue to couplet 2, Eya 2015: 376)
— Elytra not metallic, black with yellow markings, yellowish with dark markings or entirely castaneous or brownish with no markings........................................ 9
9(1). Elytra or pronotum with dark or black maculae or fascia; scutellum triangular, as long as wide
.......................................................................... 10 — Elytra and pronotum immaculate, concolorous, castaneous to darker reddish brown; scutellum
triangular, flat, emarginate medially at base; Venezuela .. C. tricolor (Waterhouse), male
10(9). Pronotum large, as wide or wider than elytra at base, disc densely punctate from apex to base, sides with lateral tubercles obtuse (Fig. 19–20) or broadly angulate (Fig. 21); metasternum black usually with yellowish macula around base of mid-coxae or entirely reddish castaneous.. 11
— Pronotum small, narrower than elytra at base (Fig. 6–12), disc either glabrous (Fig. 13–14) or sparsely, separately punctate (Fig. 15), lateral tubercles smaller, acute; metasternum usually all black (female)........................................................... 13
11(10). Pronotum with obtuse lateral tubercles or sides angulate, recurved upward, disc with small dark glabrate spot in middle of posterior half, and maculae on each side, a pair antemedially and another pair (or contiguous pair) postmedially, and another on the outside of the postmedial maculae (Fig. 19, 20); metasternum black usually with yellowish macula around base of midcoxae; elytra coarsely, confluently punctate at base............................... 12
— Pronotum inflated, sides obtusely angulate, confluently punctate, disc with two to five linearly impressed maculae on posterior half (Fig. 21); metasternum reddish castaneous; elytra flavotestaceous, finely punctate, dark spots on elytra at anterior margin adjacent to scutellum, transverse maculae behind middle adjacent to suture, and irregular band or maculae apically; eastern Mexico, Honduras (Fig. 24)....................................................................... C. servillei Audinet-Serville, male (i.e., C. divisus Bates)
12(11). Elytra with a transverse orange band at basal third, another at apical third; head, antennae, and legs black; antennae from antennomere V expanded externally, apices angulate; southwestern Mexico to Costa Rica (Fig. 19, 22)............................... C. nieti Chevrolat
— Elytra without transverse bands; head, antennae and legs reddish brown; apices of antennomeres not angulate; Guatemala (Fig. 23)................................. C. wappesi Eya
13(10). Elytra with 2 or 3 longitudinal costae, surface either finely separately punctate or densely
punctate (Fig. 16–18)........................................................ 14 — Elytra with disc glabrous, surface impunctate... (continue to couplet 15, Eya 2015: 376)
14(13). Pronotum glabrous or glabrate and finely, sparsely punctate (Fig. 13–14); elytral disc smooth, finely, shallowly punctate (Fig. 16–17)......................................... 15a
— Pronotum glabrate, rather coarsely, sparsely, irregularly punctate (Fig. 15); elytra with black corrugated transverse band in the middle, which narrows at sutural margin, disc finely, densely and rather deeply punctate in middle (Fig. 18), Costa Rica, Panama (Fig. 6–10)..................................................... C. baldwini Eya, sp. nov.
15a(14). Elytra straw-yellow, humeral angle and integument adjacent to scutellum black, marking in the middle of disc oblique from sutural margin and widening at epipleural margin, apices with black, irregular, triangular macula; eastern Mexico, Honduras (Fig. 11–12)......................................................... C. servillei Audinet-Serville, female
— Elytra black with broad transverse pale yellow band just behind base, contracting and interrupted at suture, and behind middle with large pale-yellow spot not touching margin and separated from suture; Mexico .............. C. saundersii White (Bezark 2020 id: 15905–15906)