Agetocera

Lee, Chi-Feng, Bezdĕk, Jan & Staines, Charles L., 2010, A review of the genus Agetocera (Coleoptera: Chrysomelidae: Galerucinae) in Taiwan — are there only two species?, Zootaxa 2441, pp. 1-19 : 18

Key to the species of Agetocera in Taiwan

1. Elytra wider, 1.4–1.5 times longer than wide (Figs 1, 3); male antennomere IX cylindrical and twisted (Fig. 15) ..... .............................................................................................................................................. A. discedens Weise, 1922

- Elytra narrower, 1.6–1.7 times longer than wide (Figs 5, 7); male antennomere IX flattened dorsally (Figs 16, 17) 2

2. Antennomeres IX–XI black, male antennomere IX strongly flattened dorsally (Fig. 16); female antnnomere IX as narrow as X (Fig. 12); median process of male genitalia extremely flattened dorso-ventrally ( Fig. 31 ) ...................... ................................................................................................................................................. A. taiwana Chûjô, 1962

- Antennomeres VIII–XI black (Figs. 5–8); male antennomere IX moderately flattened dorsally (Fig. 17); median process of male genitalia moderately flattened dorso-ventrally ( Fig. 32 ) or extremely flattened laterally ( Figs 33 , 34 ) ...................................................................................................................................................................................... 3

3. Median process of male genitalia moderately flattened dorso-ventrally ( Fig. 32 ) ........ A. huatungensis , new species

- Median process of male genitalia extremely flattened laterally ( Figs 32 , 33 ).............................................................. 4

4. Lateral processes of male genitalia short and narrow, lateral spiculae long and recurved apically ( Fig. 33 ) ............... ..................................................................................................................................................... A. yuae , new species

- Lateral processes of male genitalia long and wide, lateral spiculae short and not recuved apically ( Fig. 34 ) .............. .................................................................................................................................................... A. choui , new species

Figures

FIGURES 31. Agetocera taiwana, male genitalia, a: dorsal; b: lateral; c: ventral.

FIGURES 32. Agetocera yuae, male genitalia, a: dorsal; b: lateral; c: ventral.

FIGURES 33. Agetocera choui, male genitalia, a: dorsal; b: lateral; c: ventral.

FIGURES 34. Agetocera huatungensis, male genitalia, a: dorsal; b: lateral; c: ventral.