Koreana : (Ohara and Paik, 1998)
Key to the Korean species of the genus Pachylister
1 (2) First to third dorsal elytral striae complete; fourth dorsal stria
usually absent, or sometimes rudimentarily impressed. Interspace between
margin and lateral stria of pronotum not wide. Dorsal surface wholly shiny.
........................................... P. ceylanus pygidialis (Lewis,
1906)
2 (1) First to fourth dorsal elytral striae complete; fifth dorsal stria
shortened but always present. Interspace between margin and lateral stria
of pronotum wide. Dorsal surface of pronotum shiny, but elytral not shiny.
............... P. chinensis (Quensel, 1806)
Japanese: (Ohara,1999a)
Key to the Japanese species of the genus Pachylister
To include this genus, couplets in my key to the genera of the subfamily Histerinae (Ohara, 1994: 89) should be changed as follows:
12 (17) External subhumeral stria of elytron not completed.
12a (12b) Anterior margin of labrum strongly projecting outwardly. ........................................................ Genus Pachylister Lewis, 1904
P. chinensis (Quensel in Schonherr, 1806)
12b (12a) Anterior margin of labrum round or straight, not projecting
outwardly (in H. congener, the margin slightly projecting outwardly; see
also in Ohara, 1994: 122).
Taiwanese: (Ohara,1999b)
Key to the Taiwanese species of the genus Pachylister
1 (4) Meso- and metatibiae not impressed, becoming wider apically. ...................................... Subgenus Pachylister Lewis, 1904
Pronotal lateral stria interrupted behind head.
2 (3) Body smaller, length 810 mm. Margin of pygidium carinate. ............................................................. P. chinensis (Quensel, 1806)
3 (2) Body larger, length 1412 mm. Margin of pygidium not carinate. ...................................................... P. lutarius (Erichson, 1834)
4 (1) Meso- and metatibiae strongly impressed, flattened and widened. ....................................... Subgenus Santalus Lewis, 1906
Body length about 7 mm. Pronotal lateral stria complete. ........................................................................
P. orientalis (Paykull, 1811)