Most observed native Dytiscinae
Native to the US, by how plants support them, most observed first.
Other species All
32 native species with no plant ties on record, most observed first.
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Thermonectus basillaris
1,364 observations
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Hydaticus bimarginatus
1,268 observations
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Sunburst Diving Beetle
Thermonectus marmoratus
1,168 observations
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Vertical Diving Beetle
Dytiscus verticalis
1,116 observations
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Median Predaceous Diving Beetle
Acilius mediatus
910 observations
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Mottled Diving Beetle
Thermonectus nigrofasciatus
606 observations
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Harris's Diving Beetle
Dytiscus harrisii
591 observations
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Hydaticus aruspex
446 observations