Crustaceans

Two photos of two Isopod species
Woodlouse (Porcellio spinicornis)  Photographed on Sep. 17, 2009.  This species was introduced from Europe.   Crustaceans (Crustacea) » Malacostracans (Malacostraca) » Peracarida (Amphipods and Isopods) (Peracarida) » Isopods (Isopoda) » Woodlice (Oniscidea) » Holoverticata » Orthogonopoda » Crinocheta » Porcellionidae » Porcellio » Porcellio spinicornis.   Species page at BugGuide.net Woodlouse (Philoscia muscorum)  Photographed on May 20, 2011.  This species is introduced from Europe.  Crustaceans (Crustacea) » Malacostracans (Malacostraca) » Peracarida (Amphipods and Isopods) (Peracarida) » Isopods (Isopoda) » Woodlice (Oniscidea) » Holoverticata » Orthogonopoda » Crinocheta » Philosciidae » Philoscia » Philoscia muscorum.   Species page at BugGuide.net