Key to the species of Anhangatermes based on soldiers and workers

1. Soldier tergites with 6 or more bristles (Figs. 5 A, 5D); clypeus with 2 bristles; head capsule with two bristles on vertex and several bristles on base of nasus and lateral sides (Figs. 6 A, 6B, 6E, 6F, 7B, 7C).................................... 2

- Soldier tergites with a single row of 4 bristles on posterior margin (Figs. 5 B, 5C); clypeus without bristles; head capsule with only two large bristles, both located on vertex (Fig. 8)......................................................... 3

2. Tergites of soldier with a single row of bristles on posterior margin; meso- and metanotum usually without bristles, sometimes with one or two (Fig. 5 A).............................................................. A. anhanguera, sp. n.

- Tergites of soldier with two rows of bristles; meso- and metanotum with many bristles on posterior margin (Fig. 5 D)............................................................................................... A. pilosus, sp. n.

3. Soldier mandibles apically rounded or blunt, without sharp points (Fig. 9 C); pronotum of soldier with short hairs on anterior

margin (Fig. 5 C); head capsule of worker with numerous bristles (Fig. 10 C); enteric valve armature long, without a row of large spines on the posterior end (Figs. 3 D).................................................... A. juruena, sp. n. - Soldier mandibles usually with a sharp point (Figs. 9 B, 9D); pronotum of soldier without short hairs on anterior margin (Fig. 5 B); head capsule of worker with six bristles, two on vertex and four on frons (Fig. 10 B); enteric valve armature short, with a distinct row of large spines on the posterior end (Figs. 3 B, 3C)................................................. 3

4. Head capsule of soldier conspicuously wider than long (Fig. 8 A); width of head> 1,5 mm.......... A. eurycephalus, sp. n.

- Head capsule of soldier a little wider than long (Fig. 8 C); width of head <1,4 mm........................ A. macarthuri