''Thermonectus'' is a genus of

beetle Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...

s in the family

Dytiscidae The Dytiscidae, from the Ancient Greek word δυτικός (''dystikos''), meaning "able to dive", are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species l ...

. This genus is native to the

New World The term "New World" is used to describe the majority of lands of Earth's Western Hemisphere, particularly the Americas, and sometimes Oceania."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: ...

, and mainly from warm temperate to tropical in distribution, but one species, ''T. basillaris'' occurs as far north as southern

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

. They inhabit a wide range of freshwater habitats with static water and are often common. They are generally about long and a few species from desert pools in North America have a distinct yellow-spotted pattern on a black background.

Species

''Thermonectus'' contains the following 20 species: * ''

Thermonectus alfredi ''Thermonectus'' is a genus of beetles in the family Dytiscidae. This genus is native to the New World, and mainly from warm temperate to tropical in distribution, but one species, ''T. basillaris'' occurs as far north as southern Ontario, Canada ...

'' Griffini, 1898 * '' Thermonectus basillaris'' (Harris, 1829) * '' Thermonectus batesi'' Sharp, 1882 * '' Thermonectus circumscriptus'' (Latreille, 1809) * '' Thermonectus cuneatus'' Sharp, 1882 * '' Thermonectus depictus'' Sharp, 1882 * '' Thermonectus duponti'' (Aubé, 1838) * '' Thermonectus intermedius'' Crotch, 1873 * '' Thermonectus laporti'' (Aubé, 1838) * '' Thermonectus leprieuri'' J. Balfour-Browne, 1944 * '' Thermonectus margineguttatus'' (Aubé, 1838) * ''

Thermonectus marmoratus ''Thermonectus marmoratus'' is a relatively colorful North American species of Dytiscidae, diving beetle known by the common names sunburst diving beetle and yellow-spotted diving beetle. The behavior of this diving beetle has been compared to a ...

'' (Gray, 1831) * '' Thermonectus nigrofasciatus'' (Aubé, 1838) * '' Thermonectus nobilis'' Zimmermann, 1924 * '' Thermonectus sibleyi'' Goodhue-McWilliams, 1981 * '' Thermonectus simulator'' Sharp, 1882 * '' Thermonectus succinctus'' (Aubé, 1838) * '' Thermonectus tremouillesi'' Michat & Torres, 2016 * '' Thermonectus variegatus'' (Laporte, 1835) * '' Thermonectus zimmermani'' Goodhue-McWilliams, 1981

References

External links

''Thermonectus'' at BugGuide.Net
Dytiscidae Dytiscidae genera {{Dytiscidae-stub