Most observed native elongate water scavenger beetles
Native to the US, by how plants support them, most observed first.
Other species All
10 native species with no plant ties on record, most observed first.
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Hydrochus rugosus
11 observations
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Hydrochus squamifer
7 observations
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Hydrochus rufipes
6 observations
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Hydrochus vagus
4 observations
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Hydrochus neosquamifer
3 observations
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Hydrochus jaechi
3 observations
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Hydrochus callosus
2 observations
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Hydrochus jiawanae
2 observations