Oosternum

Oosternum is a genus of water scavenger beetles in the family Hydrophilidae. There are more than 20 described species in Oosternum.

Species
These 23 species belong to the genus Oosternum:


 * Oosternum acutheca
 * Oosternum aequinoctiale Motschulsky, 1855
 * Oosternum andersoni Deler-Hernández, Cala-Riquelme & Fikáček, 2014
 * Oosternum attacomis Spangler, 1962
 * Oosternum attenuatum
 * Oosternum bacharenge Deler-Hernández, Cala-Riquelme & Fikáček, 2014
 * Oosternum cercyonoides Deler-Hernández, Cala-Riquelme & Fikáček, 2014
 * Oosternum cicatricosum
 * Oosternum convexum
 * Oosternum costatum (LeConte, 1855)
 * Oosternum gibbicolle
 * Oosternum holosericeum
 * Oosternum horni d'Orchymont, 1914
 * Oosternum insulare Deler-Hernández, Cala-Riquelme & Fikáček, 2014
 * Oosternum intermedium
 * Oosternum latum Fikacek, Hebauer & Hansen, 2009
 * Oosternum luciae Deler-Hernández, Cala-Riquelme & Fikáček, 2014
 * Oosternum megnai Deler-Hernández, Cala-Riquelme & Fikáček, 2014
 * Oosternum okinawaense Hoshina, 2011
 * Oosternum pecki Deler-Hernández, Cala-Riquelme & Fikáček, 2014
 * Oosternum pubescens (LeConte, 1855)
 * Oosternum sharpi Hansen, 1999
 * Oosternum simplex