Most observed native Hydrophilini
Native to the US, by how plants support them, most observed first.
Other species All
22 native species with no plant ties on record, most observed first.
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Collared Water Scavenger Beetle
Tropisternus collaris
3,491 observations
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Lateral-lined Water Beetle
Tropisternus lateralis
3,401 observations
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Giant Water Scavenger Beetle
Hydrophilus triangularis
3,187 observations
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Hydrophilus ovatus
1,479 observations
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Hydrophilus insularis
184 observations
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Tropisternus quadristriatus
141 observations
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Hydrobiomorpha casta
129 observations
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Hydrophilus ensifer
124 observations