Key to the species of Afidentula

1 Lateral and basal margins of elytra black; disk of each elytron with three round-oval, black spots (Fig. 176)................................................................................................... A. minima (Gorham)

- Lateral and basal margins of elytra brown like elytral background; each elytron with more than three spots, rarely some of them may be fused and arranged in transverse bands......................................................... 2

2 Each elytron with four black spots........................................................................ 3

- Each elytron with more than four spots or with transverse bands................................................ 5

3 Body 1.13 times as long as wide, heart-shaped (Fig. 170); elytra chestnut brown; epipleura about 3.5 times wider than metepisternum........................................................................... A. semisqualens sp. nov.

- Body 1.24–1.43 times as long as wide, oval; elytra reddish brown or orange; epipleura at most 2.65 times wider than metepisternum.............................................................................................. 4

4 Labial palpomere 2 at most 1.15–1.20 times longer than terminal palpomere (Fig. 4); prosternal process about 0.28–0.30 times as wide as longest procoxal diameter, truncate apically (Fig. 5); penis guide with sharp tooth in apical fourth and short incision at apex (Fig. 13)............................................................ A. bisquadripunctata (Gyllenhal)

- Labial palpomere 2 1.35–1.50 times longer than terminal palpomere (Fig. 145); prosternal process about 0.34–0.36 times as wide as longest procoxal diameter, weakly rounded apically (Fig. 144); penis guide with blunt tooth in apical fourth and without incision at apex (Fig. 156)........................................................ A. thanhsonensis Hoang

5 Body larger, 4.90–5.33 mm long; long-oval, 1.38–1.43 times as long as wide; elytra 1.17–1.20, almost parallel-sided (Figs. 164, 165)............................................................................................ 6

- Body smaller, 2.83–4.25 mm long; short-oval, 1.24–1.31 times as long as wide; elytra 1.05–1.08 times as long as wide, oval (Figs. 167, 171)....................................................................................... 7

6 Head black; mesoventral process about 0.55 times as wide as mesocoxal diameter; meso- and metaventrite without distinct grooves behind anterior raised borders (Fig. 106)..................................... A. quindecemguttata (Dieke)

- Head red or reddish brown; mesoventral process about 0.65 times as wide as mesocoxal diameter; with distinct groove behind anterior raised border of mesoventrite and behind raised border of metaventral process (Fig. 19)...... A. himalayana Kapur

7 Elytron with medio-anterior spot touching scutellum and suture (Fig. 167); body 3.85–4.25 mm long; antennomere 4 slightly longer than 5; male genitalia as in Figs. 141–143 ........................................... A. stephensi (Mulsant)

- Elytron with medio-anterior spot distant from scutellum and suture (Figs. 171–175); body 2.83–3.68 mm long; antennomere 4 slightly shorter than 5; male genitalia as in Figs. 27, 28, 32–34, 49–52, 73–76 ............... A. manderstjernae (Mulsant)