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Home » Guide » Arthropods (Arthropoda) » Crustaceans (Crustacea) » Malacostracans (Malacostraca) » Marsupial Crustaceans (Peracarida) » Isopods (Isopoda) » Scutocoxifera » Woodlice (Oniscidea) » Holoverticata » Orthogonopoda » Crinocheta
Photo#744255
Pillbug and Sowbug
Copyright © 2013 Andrew Hoffman

Pillbug and Sowbug
Splinter Ridge FWA, Switzerland County, Indiana, USA
February 10, 2013
A sowbug and pillbug side by side, showing some of the key differences. Anyone able to get them to species?
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Contributed by Andrew Hoffman on 10 February, 2013 - 10:30pm

T. rathkii and A. nasatum
The isopod on the left looks like Trachelipus rathkii; you would probably need to look at the number of pleopodal lungs to be 100% sure, but the color, pattern, and shape all match. The one on the right is almost certainly Armadillidium nasatum - note the tiny projection where the "nose" would be.
… Eric C. Maxwell, 22 October, 2014 - 10:28pm login or register to post comments

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