Anemadus taiwanus

Wang, Cheng-Bin & Zhou, Hong-Zhang, 2016, Two new species of the Anemadus taiwanus species-group (Coleoptera: Leiodidae: Cholevinae: Anemadini) from China, Zootaxa 4072 (2), pp. 282-290 : 284-285

Key to males of the Anemadus taiwanus species-group, modified based on Perreau (2002)

1 Aedeagus with narrow apical indentation, reduced to a simple incision longitudinally short........................... 2

- Aedeagus with wide and deep apical indentation............................................................. 3

2 Parameres shortly divergent at apex and about 1/6 longer than median lobe; median lobe parallel up to apical 1/4 and rounded at apex............................................................................... A. schuelkei Perreau

- Parameres convergent towards one another at apex and about 1/3 longer than median lobe; median lobe triangularly narrowed from middle to apex.................................................................... A. taiwanus Perreau

3 Parameres and median lobe extremely thick in lateral view..................................... A. hubeiensis Perreau

- Parameres and median lobe normally thick for the genus in lateral view........................................... 4

4 Parameres shortly divergent at apex and about 1/3 longer than median lobe........................................ 5

- Parameres expanded and subrounded at apex and about 1/8 longer than median lobe ( Fig. 4 H)......... A. sichuanus sp. nov.

5 Median lobe narrowed at middle; colour lighter, mostly yellowish brown....................... A. wolongianus Perreau

- Median lobe not narrowed at middle; colour darker, mostly chestnut brown or dark brown............................ 6

6 Antennomere length of 2th/3th = 1.50; each paramere with 4 setae at apex, 1 inner and 3 outer............ A. ruzickai Perreau

- Antennomere length of 2th/3th = 1.24; each paramere with 5 setae at apex, all inner ( Figs. 3 K&L)........ A. perreaui sp. nov.

Figures

FIGURE 3. Anemadus perreaui sp. nov.: A, antenna ♂ (dorsal view); B, proleg ♂ (dorsal view); C, protarsus ♀ (dorsal view); D, pronotum ♂ (dorsal view); E, elytral apex ♂ (dorsoapical view); F, ventrite VIII ♀ (ventral view); G, genital segment ♂ (ventral view); H, aedeagus (dorsal view); I, aedeagus (ventral view); J, aedeagus (lateral view); K, apex of right paramere (dorsal view); L, apex of right paramere (lateral view). Scales: 0.1 mm.

FIGURE 4. Anemadus sichuanus sp. nov.: A, antenna ♂ (dorsal view); B, proleg ♂ (dorsal view); C, protarsus ♀ (dorsal view); D, pronotum ♂ (dorsal view); E, elytral apex ♂ (dorsoapical view); F, ventrite VIII ♀ (ventral view); G, genital segment ♂ (ventral view); H, aedeagus (dorsal view); I, aedeagus (ventral view); J, aedeagus (lateral view); K, apex of right paramere (dorsal view); L, apex of right paramere (lateral view). Scales: 0.1 mm.