Most observed native Aciliini
Native to the US, by how plants support them, most observed first.
Other species All
15 native species with no plant ties on record, most observed first.
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Thermonectus basillaris
1,364 observations
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Sunburst Diving Beetle
Thermonectus marmoratus
1,168 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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Abbreviated Predaceous Diving Beetle
Acilius abbreviatus
445 observations
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Woods Predaceous Diving Beetle
Acilius semisulcatus
343 observations
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Graphoderus liberus
245 observations
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Acilius fraternus
130 observations