Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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Species Belostoma flumineum

Representative Images

Giant Water Bug - Belostoma flumineum Belostoma - Belostoma flumineum Belostoma flumineum Bug - Belostoma flumineum Aquatic Beetle - Belostoma flumineum Aquatic Beetle - Belostoma flumineum Superfamily Hydrophiloidea - Water Scavenger and Clown Beetles - Belostoma flumineum Buffalo Belostoma - Belostoma flumineum - male

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Nepomorpha (Aquatic Bugs)
Superfamily Nepoidea
Family Belostomatidae (Giant Water Bugs)
Subfamily Belostomatinae
Genus Belostoma
Species flumineum (Belostoma flumineum)

Explanation of Names

Belostoma flumineum Say 1832

Size

18-25 mm(1)

Range

QC-GA to MB-AZ(2); likely absent from FL(3)