This species is the most important vector of plague bacilli worldwide. It was introduced into the New World with its major hosts, rats of the genus Rattus. The Maryland records are old and there have been no recent records. (Eckerlin, 2011)
There are 8 records in the project database.
| GA | AL | WA | FR | CL | MO | HO | BA | BC | HA | CE | PG | AA | CV | CH | SM | KE | QA | CN | TA | DO | WI | SO | WO |