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Arthropods
Giant Black Water Scavenger Beetle
Hydrophilus triangularis
Authorship: Say
Sources
[Lenhart (UTEP)]
Taxonomic Classification
KingdomAnimalia
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderCOLEOPTERA (Beetles)
FamilyHYDROPHILIDAE (Water Scavenger Beetle Family)
GenusHydrophilus
Speciestriangularis
Recent Observations
Sourced from iNaturalist
Giant Water Scavenger Beetle (opens in new tab)
zoggOct 25, 2026Thrift Rd, Clinton, MD, US
Giant Water Scavenger Beetle (opens in new tab)maileeivanOct 24, 2026Hooper, UT, US
Giant Water Scavenger Beetle (opens in new tab)bradlepcOct 24, 2026Tolland, CT, US
Hydrophilus triangularis (opens in new tab)karen_pmOct 24, 2026Painani, Lázaro Cárdenas 2a. Secc, 54189 Tlalnepantla, Méx., México
Giant Water Scavenger Beetle (opens in new tab)slessman08Oct 23, 2026Medary Ave, Brookings, SD, US
Giant Water Scavenger Beetle (opens in new tab)megankdalyOct 23, 2026Blackrock Dr, Sacramento, CA, US
Giant Water Scavenger Beetle (opens in new tab)neomarkopogonOct 22, 2026Sacramento, CA 95816, USA
Giant Water Scavenger Beetle (opens in new tab)dinosaur3491Oct 22, 2026Ancil Hoffman Park, Carmichael, CA, US
Giant Water Scavenger Beetle (opens in new tab)sarahmitchOct 16, 2026CA, US
Giant Water Scavenger Beetle (opens in new tab)malioraSep 23, 2026WB 6 Av SW @ 10 St SW, Calgary, AB T2P 5K1, Canada
Conservation assessments from the following sources:
- NatureServe Explorer
- IUCN Red List
- Texas Parks & Wildlife — Species of Greatest Conservation Need (SGCN)
| IUCN Red List | Not assessed |
|---|---|
| NatureServe Global (opens in new tab) | GNRNot Ranked |
| NatureServe (Texas) (opens in new tab) | Not assessed |
| Texas SGCN | Not assessed |