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

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

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Order Amphipoda - Amphipods

Arlo Pelegrin, This one is for you! - Arcitalitrus sylvaticus common beach flea - Americorchestia IMG_1612 - Jassa marmorata Megalorchestia corniculata Unlucky Shrimp Amphipod Caprella - Caprella mutica - female Fresh Water Amphipod - Crangonyx richmondensis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Peracarida (Marsupial Crustaceans)
Order Amphipoda (Amphipods)
Synonyms and other taxonomic changes
Amphipoda Latreille, 1816
9,500 species worldwide
230 species in FL; about 70 species in southern New England.(1)
A clear view of the antennae is needed to identify freshwater amphipods beyond order level.
Guide to the nearshore & estuarine Amphipoda of Florida(2)
Internet References
Fact sheet (Fasulo 2001-2011)(3)
Works Cited
1.The Arthrostraca of Connecticut
Kunkel B.W. 1918. Connecticut State Geological and Natural History Survey.
2.An illustrated identification guide to the nearshore marine and estuarine Amphipoda of Florida, Vols. 1-5
LeCroy S.E. 2000-2011. Dept Envir. Prot., Tallahassee. 816 pp.
3.EDIS -- Electronic Data Information Source of UF/IFAS Extension