Ambrysus thermarum
La Rivers, 1953
Ambrysus thermarum is a of creeping water bug in the Naucoridae, described by La Rivers in 1953. As a member of the Cryphocricinae, it shares the characteristic flattened, saucer-shaped body form typical of this group. The Ambrysus is widespread in the New World, with species found from northern North America to Argentina.

Pronunciation
How to pronounce Ambrysus thermarum: /ˈæm.brɪ.səs ˈθɜr.mə.rəm/
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Distribution
North America; distribution records indicate presence in North America generally, though specific locality details beyond this are not documented in available sources.