1	Anterior margin of clypeus with bead (Fig. 7A, B)	2
–	Anterior margin of clypeus without bead (Fig. 7C)	10
2	Anterior margin of clypeus with distinct bead (Fig. 7A)	3
–	Anterior margin of clypeus with very fine bead (Fig. 7B)	7
3	Elytra completely black, without spots (Fig. 3C)	A.jendeki Wewalka, 2000
–	Elytra with two or three yellow to reddish-brown spots	4
4	Lateral margin of elytron with a longitudinal furrow	A.manfredi Wewalka, 2010
–	Lateral margin of elytron without a longitudinal furrow	5
5	Male antennae modified, antennomeres 4 and 5 distinctly enlarged	A.scholzi Wewalka, 2000
–	Male antennae not modified, with antennomeres long and slender	6
6	Size larger (TL: 2.1–2.2 mm); head yellow; elytra with three spots (see Wewalka 2000, fig. 25)	A.ernsti Wewalka, 2000
–	Size smaller (TL: 1.7–1.8 mm); head black; elytra with two spots (see Wewalka 2000, fig. 8)	A.taiwana (Satô, 1990)
7	Size larger (TL: 2.7–2.9 mm); male protarsomere 1 distinctly enlarged with indention on inner margin at basal half (Fig. 7D)	A.yiae Bian, Guo & Ji, 2013
–	Size smaller (TL: 1.5–1.8 mm); male protarsomere 1 minimally enlarged	8
8	Male antennomere 5 distinctly enlarged, ‘L’-shaped (see Wewalka 2000, fig. 107	A.froehlichi Wewalka, 2000
–	Male antennomere 5 moderately enlarged, with an obtuse tooth (see Wewalka 2000, fig. 108)	9
9	Median lobe of aedeagus in lateral view shorter and broader (see Wewalka 2000, fig. 44b)	A.hautmanni Wewalka, 2000
–	Median lobe of aedeagus in lateral view longer and slender (see Wewalka 2000, fig. 43b)	A.schillhammeri Wewalka, 2000
10	Size smaller (TL: 1.6 mm)	A.jilanzhui Wewalka, 2000
–	Size larger (TL: ≥ 2.0 mm)	11
11	Apex of median lobe of aedeagus trifid	12
–	Apex of median lobe of aedeagus simple, not trifid	16
12	Elytra entirely microreticulate	13
–	Elytra without microreticulation	14
13	Punctation of pronotum regular in size, not navel-like; interstice of the tridentate apex of median lobe narrower (see Wewalka 2000, fig. 63a)	A.wangi Wewalka & Nilsson, 1994
–	Punctation of pronotum irregular in size, partly coarse and navel-like; interstice of the tridentate apex of median lobe wider (see Wewalka 2000, fig. 64a)	A.jaechi Wewalka, 2000
14	Male protarsomere 1 not modified, minimally enlarged	A.flavomaculata (Kamiya, 1838)
–	Male protarsomere 1 modified, distinctly enlarged	15
15	Elytra with two or three spots (see Wewalka 2010, fig. 7a, b); middle part of the tridentate apex of median lobe longer than lateral parts (see Wewalka 2010, fig. 15a)	A.komareki Wewalka, 2010
–	Elytra with two spots (see Bian and Ji 2010, fig. 1); middle part and lateral parts of the tridentate apex of median lobe equal in length (see Bian and Ji 2010, fig. 3)	A.wuzhifengensis Bian & Ji, 2010
16	Male antennomeres 4 and 5 distinctly enlarged (see Wewalka 2000, fig. 113)	A.friedrichi Wewalka, 2000
–	Male antenna not or minimally enlarged	17
17	Male protarsomere 1 modified, distinctly enlarged (Fig. 7E, F)	18
–	Male protarsomere 1 not modified, minimally enlarged (Fig. 7G)	22
18	Male protarsomere 1 elongate (Fig. 7E)	19
–	Male protarsomere 1 short (Fig. 7F)	20
19	Male protarsomere 1 about 1.5 times as long as protarsomere 2, insertion of protarsomere 2 at the apical part of protarsomere 1 (Fig. 7E)	A.dudgeoni Wewalka, 2000
–	Male protarsomere 1 about 2 times as long as protarsomere 2, insertion of protarsomere 2 at the middle of protarsomere 1 (see Bian and Ji 2012, figs 15, 17)	A.elongata Bian & Ji, 2012
20	Apex of median lobe of aedeagus pointed in ventral view (see Wewalka 2010, fig. 11a)	A.miaowangi Wewalka, 2010
–	Apex of median lobe of aedeagus truncate in ventral view (see Wewalka 2010, fig. 12a)	21
21	Punctation of elytra stronger; median lobe of aedeagus in lateral view moderately curved (see Wewalka 2000, fig. 58b)	A.dieterlei Wewalka, 2000
–	Punctation of elytra finer; median lobe of aedeagus in lateral view almost straight at middle part (see Wewalka 2010, fig. 12b)	A.guangdongensis Wewalka, 2010
22	Elytra often completely black, sometimes with two reddish-brown spots (see Wewalka 2010, fig. 6a, b)	A.hajeki Wewalka, 2010
–	Elytra with one or two yellowish-brown to reddish-brown spots	23
23	Size larger (TL: 2.5–2.7 mm); male mesotarsomere 1 distinctly enlarged (Fig. 1E); elytra often with one spot at apex (Fig. 1A)	A.nigrocatta sp. nov.
–	Size smaller (TL: 2.0–2.4 mm); male mesotarsomere 1 not or minimally enlarged; elytra with two spots: one at base and one at apex	24
24	Apex of median lobe of aedeagus rounded or truncate in ventral view	25
–	Apex of median lobe of aedeagus pointed in ventral view	27
25	Apex of median lobe of aedeagus rounded in ventral view (see Wewalka 2000, fig. 51a)	A.liselotteae Wewalka, 2000
–	Apex of median lobe of aedeagus truncate in ventral view	26
26	Median lobe of aedeagus in ventral view distinctly narrowed behind apical fourth (see Wewalka 2010, fig. 13a)	A.bianae Wewalka, 2010
–	Median lobe of aedeagus in ventral view with sides almost parallel over entire length (see Ji et al. 2014, fig. 3)	A.longyanensis Ji, Guo & Bian, 2014
27	Median lobe of aedeagus in ventral view broadened in middle, apex slender (see Bian and Ji 2012, fig. 10)	A.yanfengi Bian & Ji, 2012
–	Median lobe of aedeagus in ventral view narrowed in middle, apex slightly broad	28
28	Median lobe of aedeagus in ventral view slightly narrowed in middle (see Wewalka 2000, fig. 50a)	A.schoenmanni Wewalka, 2000
–	Median lobe of aedeagus in ventral view distinctly narrowed in middle	29
29	Median lobe of aedeagus in ventral view broader at apex (see Bian and Ji 2010, fig. 6)	A.grandis Bian & Ji, 2010
–	Median lobe of aedeagus in ventral view narrower at apex (see Wewalka 2000, fig. 49a)	A.weinbergeri Wewalka, 2000