Bactridium LeConte, 1861

Bactridium is a genus of root-eating beetles in the family Monotomidae. There are about 18 described species in Bactridium.

==Species== These 29 species belong to the genus Bactridium: Bactridium adustum Reitter, 1873 i c g Bactridium angulicolle Reitter, 1873 i c g Bactridium angustum Sharp, 1900 i c g Bactridium atratum Reitter, 1876 Bactridium brevicolle Reitter, 1876 Bactridium californicum Fall, 1917 i c g Bactridium cephalotes (Pascoe, 1863) Bactridium convexulum Casey, 1916 i c g Bactridium cubaense Chevrolat, 1863 i c g Bactridium curtipenne Casey, 1916 i c g Bactridium divisum Sharp, 1900 i c g Bactridium ephippiger (Guérin-Méneville, 1837) Bactridium ephippigerum (Guerin-Meneville, 1829) i c g b Bactridium erythropterum (Melsheimer, 1844) i c g b Bactridium exiguum Grouvelle, 1908 i c g Bactridium flohri Sharp, 1900 i c g Bactridium fryi Horn, 1879 Bactridium germanum Sharp, 1900 i c g Bactridium heydeni Reitter, 1873 i c g Bactridium hudsoni Casey, 1916 i c g Bactridium humile Grouvelle, 1906 Bactridium insularis Van Dyke, 1953 Bactridium nanus (Erichson, 1843) Bactridium obscurum Casey, 1916 i c g b Bactridium orientalis (Reitter, 1872) Bactridium parvum Grouvelle, 1906 Bactridium quadricollis (Reitter, 1872) Bactridium rude Sharp, 1900 i c g Bactridium striolatum (Reitter, 1872) i c g b