Aegomorphus

Martins, Ubirajara R., Santos-Silva, Antonio & Galileo, Maria Helena M., 2015, Fourteen new species, one new genus, and eleven new country or state records for New World Lamiinae (Coleoptera, Cerambycidae), Zootaxa 3980 (1), pp. 81-105 : 95

Key to American species of Aegomorphus (adapted from Linsley & Chemsak 1984)

1. Elytra with punctures glabrous or at most with a suberect seta.................................................. 2

- Elytra with punctures bearing short tufts of white, appressed pubescence; pubescence gray with dark M-shaped fasciae behind middle. Eastern North America........................................................ A. morrisi (Uhler, 1855)

2(1). Elytra with a broad, transverse or obliquepale fascia before middle.............................................. 4

- Elytra lacking distinct transverse or oblique fascia........................................................... 3

3(2). Lateral tubercle of prothorax not distinctly acute at apex; elytral apex subrounded (slightly truncate). Mexico (Jalisco)........................................................................... A. chamelae Chemsak &Giesbert, 1986

- Lateral tubercle of prothorax distinctly acute at apex; elytral apex obliquely truncate. Eastern North America to Texas................................................................................... A. modestus (Gyllenhall, 1817)

4(2). Elytral carinae distinct only at basal third................................................................... 5

- Elytra with carinae very distinct from base to about distal third. Mexico (Jalisco, Morelos)............................................................................................... A. albosignus Chemsak & Noguera, 1993

5(4). Light elytral pubescence distinctly covering most of the surface. Mexico......................... A. mexicanus sp. nov.

- Light elytral pubescence not covering most of the surface..................................................... 6

6(5). Elytra with short, suberect hairs interspersed throughout; genae equal in length to lower eye lobes; overall appearance dark gray. Southern Arizona................................................. A. arizonicus Linsley & Chemsak, 1984

- Elytra totally lacking erect pubescence; genae shorter than lower eye lobes; overall appearance brown. Baja California to southern Arizona and western Mexico.............................................. A. peninsularis (Horn, 1880)