Oosternum costatum
LeConte, J. L., 1855
Oosternum costatum is a of water scavenger beetle in the Hydrophilidae. It is a small found in North America, with records from the eastern and central United States and Mexico. The species was described by John Lawrence LeConte in 1855.
Pronunciation
How to pronounce Oosternum costatum: /ˌoʊ.əˈstɜːrnəm kɒˈsteɪtəm/
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Distribution
Eastern and central United States (District of Columbia, Georgia, Illinois, Indiana, Louisiana, Maryland, North Carolina, Ohio, South Carolina, Tennessee, Virginia) and Mexico.