subfamily
Dytiscinae
Dytiscinae
Field notes
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native Dytiscinae All
Native to the US, by observations.
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Thermonectus basillaris
1,364 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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Graphoderus liberus
245 observations
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Acilius fraternus
130 observations
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Graphoderus perplexus
81 observations
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Woodland Predaceous Diving Beetle
Acilius sylvanus
59 observations
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Dytiscus carolinus
52 observations