Species name

Diabrotica porracea Harold 1875: 93


Type locality



Type depository

MNHN, lectotype, female, verified



costatipennis Jacoby 1878: 996 (type locality: Costa Rica; type depository: MCZ, lectotype, male, verified)



Body length 6.0-6.2 mm. Body width 2.5-3.1 mm. Head basic color green. Antennae filiform, bi- or tricolored, antennomere 1 pale olivine, antennomeres 2-11 cinnamon brown. Maxillary palpi and labrum black or amber brown. Pronotum paris green or green, subquadrate, deeply bifoveate, not shagreened. Scutellum black or amber brown. Elytra green, with diffuse sulphur yellow vitta from humerus to apex, frequently reduced to two fuzzy-edged round maculae on each elytron. Elytral epipleura completely green. Elytral surface with five distinct sinuate sulci, strongest behind the humeral callus and extending beyond the middle. Sutural angle of elytra round, punctation dense, coarse. Abdomen pale olivine or green. Tarsi and tibiae black or amber brown, femora paris green. Aedeagus symmetric, with four internal sac sclerites.


Known distribution

Guatemala, Belize, El Salvador, Costa Rica, Honduras, Mexico, Nicaragua, Panama, Venezuela


Host plants

Cucurbita foetidissima Kunth, C. pepo L., Datura candida (Pers.) Saff., squashes and gourds (Krysan & Smith, 1987a)


Potential problems with identification

Diabrotica porracea Jacoby is similar to D. virgifera zeae Krysan & Smith and D. viridula (Fabricius). They can be separated by the shape of internal sac sclerites 4B and 4D.