What is "holcoderus"

Holcoderus is a genus of beetles in the family Carabidae, containing the following species:

• Holcoderus aeripennis Andrewes, 1931
• Holcoderus alacer Andrewes, 1937
• Holcoderus brunnescens (Jedlicka, 1935)
• Holcoderus caeruleipennis Sloane, 1910
• Holcoderus carinatus Andrewes, 1933
• Holcoderus chrysomeloides Andrewes, 1930
• Holcoderus decolor Darlington, 1970
• Holcoderus dentatus Louwerens, 1949
• Holcoderus elegans Louwerens, 1958
• Holcoderus elongatus (Saunders, 1863)
• Holcoderus fissus Andrewes, 1933
• Holcoderus formosanus Jedlicka, 1940
• Holcoderus gloriosus Andrewes, 1931
• Holcoderus gracilis (Oberthur, 1883)
• Holcoderus marginalis Louwerens, 1949
• Holcoderus niger Andrewes, 1937
• Holcoderus obscurus Habu, 1979
• Holcoderus ophthalmicus Louwerens, 1953
• Holcoderus overbecki Emden, 1937
• Holcoderus praemorsus Chaudoir, 1869
• Holcoderus puncticeps Andrewes, 1930
• Holcoderus quadrifoveatus Louwerens, 1951
• Holcoderus quadripunctatus Louwerens, 1956
• Holcoderus smaragdinus Andrewes, 1926
• Holcoderus superbus Andrewes, 1933
• Holcoderus trichias Andrewes, 1930