Key to Dendrochilus species

1. Frons with few tiny setae; antennal scapus not broader than pedicel, with few dorsal setae; anterior margin of pronotum in dorsal view with two small and closely set tubercles; elytral interstriae in posterolateral areas sharply granulated (males)... 2

- Frons with fine setae pointing towards centre; antennal scapus expanding apically, wider than pedicel, with tuft of fine setae along its entire dorsal side; anterior margin of pronotum largely smooth (dorsal view); elytral interstriae in posterolateral areas not granulated (females)................................................................................ 3

2. Eyes separated above by 2.5–2.8 × their width; body length 1.2–1.3 mm (Tanzania)........ Dendrochilus udzungwae, male

- Eyes separated above by 1.9−2.2 × their width; body length 0.9–1.0 mm (Tanzania)............ Dendrochilus tener, male

3. Pronotum 1.3 × longer than wide; elytral setae largely confined to posterior half; setae on scapus shorter than club; body length 1.1 mm (Congo)......................................................... Dendrochilus strombosiopsis, female

- Pronotum as long as wide; elytral setae present from base to apex; setae on scapus longer than club.................... 4

4. Eyes separated above by 2.5–2.8 × their width; apical bottleneck-shaped part of last abdominal ventrite longer than broad (Fig. 4), body length 1.2–1.3 mm (Tanzania).......................................... Dendrochilus udzungwae, female

- Eyes separated above by 1.9−2.2 × their width; apical bottleneck-shaped part of last abdominal ventrite shorter than broad; body length 1.0– 1.1 mm (Tanzania).................................................. Dendrochilus tener, female