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Species name

Diabrotica cristata Harris 1836: 90 as Galeruca

 

Type locality

Northampton, Massachusetts

 

Type depository

MCZ, lectotype, female, verified

 

Synonyms

atripennis Say 1823: 461 as Galleruca (type locality: Missouri; type depository: type is lost)

fossata LeConte 1858: 88 (type locality: Texas; type depository: MCZ, lectotype, female)

 

Diagnosis

Body length 4.1-4.7 mm. Body width 1.7-2.2 mm. Head basic color black. Antennae filiform, piceous. Maxillary palpi black or piceous, labrum piceous. Pronotum light cadmium with diffuse piceous macula basally, subquadrate, deeply bifoveate, not shagreened. Scutellum piceous or black. Elytra black or piceous, epipleura completely black or tinged with piceous. Elytral surface with two distinct sinuate sulci, strongest behind the humeral callus and extending beyond the middle, humeral plicae distinct, sutural angle of elytra round, punctation scattered, fine. Abdomen piceous or black. Legs black or chestnut. Aedeagus symmetric, with four internal sac sclerites.

 

Known distribution

CANADA: Ontario; USA: AL, AR, CO, CT, DC, GA, IL, IA, KS, LA, MD, MA, MI, MN, MO, NE, NH, NJ, NM, NY, NC, ND, OH, OK, PA, SD, TN, TX, VA, WY; Mexico. (Krysan & Smith, 1987a)

 

Host plants

Perennial grasses (Andropogon gerardii Vitman), Poaceae (Yaro & Krysan, 1986). Zea mays L., radish (Raphanus sativus L.), Cucurbita foetidissima Kunth in H.B.K., lima bean (Phaseolus lunatus L.), Asteraceae (Clark et al., 2004)