Stenaspis Audinet-Serville, 1834

Eya, Bryan K., 2021, Recharacterization of Stenaspis Audinet-Serville, 1834 with a new species from Mexico (Coleoptera: Cerambycidae: Cerambycinae: Trachyderini), Insecta Mundi 2021 (851), pp. 1-36 : 13

Key to species of Stenaspis Audinet-Serville, 1834

1. Pronotum at least partly reddish or reddish-brown; elytra yellowish to pale testaceous, reddish or entirely metallic blue, green or purple or at least partly with metallic greenish sheen................... 2

– Body concolorous black, bluish-black or reddish-brown; 22–36 mm. Southwestern USA and Mexico ( Fig. 91–94)............................................................ S. solitaria (Say)

2(1). Antennomeres variegated, yellowish to reddish and apically black with basal 2/3 of antennomeres III– VI glabrate, finely, separately, irregularly punctate; apices more densely punctate and more densely clothed with short, depressed hairs ( Fig. 57–59).......................................... 3

– Antennomeres I–IV concolorous black, V–XI dark reddish-brown, antennomeres III–IV sparsely punctate, apices sparsely pubescent ( Fig. 61); integument black; pronotum and elytra orange with surface rugose; pronotal disc with three black nitid calli; elytra rugulose with fine, separated punctures; 38 mm; Mojos, Bolivia ( Fig. 95–101).................................... S. superba Aurivillius

3(2). Elytra metallic blue or green or epipleural and sutural margin of elytra with metallic bluish to greenishyellow sheen.......................................................................... 4

– Elytra concolorous yellowish to pale testaceous, nitid, glabrous, separately, finely, shallowly punctate; 21–31 mm; Oaxaca, Mexico ( Fig. 78–83)........................... S. castaneipennis Dupont

4(3). Elytra concolorous metallic greenish, bluish or purple, finely to coarsely punctate, antennal tubercles