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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


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Species Pacifastacus leniusculus - Signal Crayfish

Crayfish - Pacifastacus leniusculus BLUE crayfish! - Pacifastacus leniusculus BLUE crayfish! - Pacifastacus leniusculus BLUE crayfish! - Pacifastacus leniusculus Unidentified Crayfish - Pacifastacus leniusculus Crawfish - Pacifastacus leniusculus - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Eucarida (Eucarida (Crabs, Crayfish, Shrimp, etc.))
Order Decapoda (Crabs, Crayfishes, Lobsters, Prawns, and Shrimp)
Infraorder Astacidea (Crayfishes and Lobsters)
Superfamily Astacoidea (Crayfish)
Family Astacidae
Genus Pacifastacus
Species leniusculus (Signal Crayfish)