Diabrotica championi Jacoby 1887: 507
BMNH, lectotype, male, verified
Body length 5.4-6.1 mm. Body width 2.8-3.2 mm. Head basic color black. Antennae serrate (sometimes only slightly so), bi- or tricolored, antennomeres 1-3 yellow, antennomeres 4-8 gradually infuscated by brown, antennomeres 9 - 11 yellow ocher. Maxillary palpi black or chestnut, labrum black. Pronotum yellow or light cadmium, subquadrate, nonfoveate, not shagreened. Elytra yellow or rufous, with 2-3 black or metallic black blue bands on the base and behind middle. Elytral epipleura completely yellow. Sutural angle of elytra round, punctation scattered, fine. Abdomen yellow. Legs yellow. Aedeagus symmetric, with four internal sac sclerites.
Nicaragua, Costa Rica, Panama
Potential problems with identification
Diabrotica championi Jacoby is similar to D. g1n, D. regularis Jacoby and D. viridifasciata Jacoby. D. regularis is on average smaller than D. championi. The shape of the internal sac sclerites allows distinguishing Diabrotica championi from both other species.