Dinoxyleborus, Smith, 2017

Smith, Sarah M., 2017, Dinoxyleborus Smith, a new genus of Neotropical xyleborine ambrosia beetle (Coleoptera, Curculionidae: Scolytinae), Zootaxa 4303 (1), pp. 131-139 : 138

Key to Dinoxyleborus females

1. Lateral margins of declivity armed by four spines approximately equal in size......................... D. infernus Smith

- Lateral margin of declivity armed by three spines increasing in size from base to apex............................... 2

2. Declivity with two denticles approximately evenly spaced from base to spine 1. a single large denticle located at midpoints between spines 1 and 2 and 2 and 3......................................................... D. cognatoi Smith

- Declivity with three to five denticles approximately evenly spaced from base to spine 1; 1–2 denticles between spines 1 and 2 and unarmed between spines 2 and 3..................................................... D. sexnotatus (Schedl)