Ambrysus californicus

Ambrysus californicus is a species of creeping water bug in the family Naucoridae. It is found in North America.

Subspecies
These two subspecies belong to the species Ambrysus californicus:
 * Ambrysus californicus bohartorum Usinger, 1946
 * Ambrysus californicus californicus Montandon, 1897