Synonyms and other taxonomic changes
Leptinotarsa juncta (Germar, 1824)
Chrysomela juncta Germar 1824
Similar to Colorado Potato Beetle (2)
, but elytral punctures are regular instead of irregular. Also, a brown stripe at the center of each elytron (wing cover) and on the inner edge of each elytron (where they meet down the middle) distinguish this species.
Larvae are hump-backed and have one row of black spots down each side.
State/Province Records: (3)(1)(4)(5)
USA: AL, AR, CT, DE, DC, FL, GA, IL, IN, KS, KY, LA, MA, MD, MI, MO, MS, NC, NJ, NY, OH, PA, SC, TN, TX, VA, WV
Primarily May to October. (BG data (4)
Main host plant is Solanum carolinense
(Carolina horsenettle). Also associated with other Solanaceae including Physalis
, Solanum dulcamara
, Solanum melongena
, and Solanum tuberosum
Colorado Potato Beetle, Leptinotarsa decemlineata (2)
has ten black stripes on a pale yellow background and no brown stripes. Larvae of Colorado Potato Beetle have two rows of black spots on each side.
University of Kentucky
has remarks on distinguishing this from Colorado Potato Beetle.