Species name

Diabrotica viridula Fabricius 1801: 453 as Crioceris


Common name

Cucumber beetle


Type locality

America meridionali


Type depository

Type is lost.
MCZ, neotype, male, verified



fuscomaculata Jacoby 1878: 994 (type locality: Nicaragua; type depository: MCZ, lectotype, male, verified)

optiva Erichson 1847: 169 (type locality: Peru [from title of work]; type depository: MfN, lectotype, male, verified)

ornatula Baly 1886b: 224, 258 (type locality: Colombia, Muzo; type depository: BMNH, lectotype, male, verified)

inconstans Baly 1886b: 224 (type locality: Colombia, Ubaque; type depository: BMNH, lectotype, female, verified)



Body length 4.7-5.5 mm. Body width 2.4-2.9 mm. Head basic color yellow or green. Antennae filiform, bi- or tricolored, antennomere 1 yellow or pale olivine, antennomeres 2-3 olive ocher, antennomeres 4-11 olive ocher or brussels brown. Maxillary palpi yellow, yellow ocher or amber yellow, labrum black, chestnut or yellow ocher. Pronotum paris green, green, yellow or mustard yellow, subquadrate, deeply bifoveate, only pronotal base shagreened with microsculture narrow, long meshes. Scutellum yellow or amber yellow. Elytra green, yellow or rufous, with three chestnut spots on each elytron sometimes reduced to a variable extent, basal spots form a band, which may be reddish or ochraceous orange; two sulphur yellow patches present in specimens with no apical dark spots. Elytral epipleura completely yellow or completely green. Elytral surface with five distinct sinuate sulci, strongest behind the humeral callus and extending beyond the middle, humeral plicae distinct. Sutural angle of elytra round, punctation dense, coarse. Abdomen yellow. Tarsi black, chestnut or yellow, tibiae black or chestnut, sometimes bicolored, yellow, outer edge with piceous or testaceous line, or extensively darkened. Femora yellow, yellow ocher or paris green. Aedeagus symmetric, with four internal sac sclerites.


Known distribution

Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Peru, Trinidad, Venezuela.


Host plants

Corn (Zea mays L.), beans, Cucurbitaceae, Cucurbita pepo L., Cucurbita moschata (Duchn. ex Lam.) Duchn. ex Poir, Cucurbita gracilior Bailey, Brugmansia candida Pers. (Krysan & Smith, 1987).


Potential problems with identification

Diabrotica viridula (Fabricius) is similar to D. porracea Harold and D. virgifera zeae Krysan & Smith. The reddish coloration at the base of the elytra usually allows distinguishing D. viridula from all similar species.