A new species of Parorectis Spaeth from the north-central United States, with notes on prothoracic and head morphology of the genus (Coleoptera: Chrysomelidae: Cassidinae: Cassidini) Author Riley, Edward G. Department of Entomology, Texas A & M University, College Station, Texas 77843 - 2475 USA text Insecta Mundi 2020 2020-10-30 2020 808 1 9 journal article 7857 10.5281/zenodo.4565396 9b0a74cf-d16d-49be-bec7-64f24d699240 1942-1354 4565396 7D969F82-40F2-4825-A6D8-0131E48BB1EC Key to the species of Parorectis Spaeth 1. Elytral disc tuberculate, with dark coloration extended onto anterior and posterolateral portions of explanate margin..................................................................... 2 — Elytral disc rugosely punctate without distinct tubercles; explanate elytral margin entirely pale..... 3 2. Dark dorsal coloration piceous, coverage on explanate margin extensive, leaving small pale spot at midlength and before suture; body larger, length 4.56–6.4 mm (avg. = 5.69 mm , n = 16)............................................................................... P . rugosa (Boheman) — Dark dorsal coloration brownish, coverage on explanate margin minimal, leaving large pale spot at midlength and before suture; body smaller, length 4.0– 5.36 mm (avg. = 4.81 mm , n = 19)........... .................................................................. P . callosa (Boheman) Map 1. Known distribution of Parorectis arenaria , new species , based on specimens examined and Haarstad (2002) (see text). 3. Disc of pronotum with pair of dark maculae, elytral disc and metasternum often with dark smudges; body slightly larger, length 4.8–6.4 mm (avg. = 5.55 mm , n = 12)....... P . arenaria Riley , n. sp. — Disc of pronotum immaculate, elytral disc and metasternum entirely pale; body slightly smaller, length 4.7–5.6 mm (avg. 5.13 mm , n = 16)..................................... P . sublaevis Barber