- Source: Thermonectus nigrofasciatus
Thermonectus nigrofasciatus is a species of diving beetle native to the eastern United States. T. nigrofasciatus is distinguished by its black, postmedian transverse blotch on its elytra, hence "nigrofasciatus."
Thermonectus nigrofasciatus is a species of diving beetle native to the eastern United States. T. nigrofasciatus is distinguished by its black, postmedian transverse blotch on its elytra, hence "nigrofasciatus."