Catalogue Contains: 807 Images within 560 Species
Listings in Grey have been reported in RI but have no photos here.
 Domain: Eukaryota (Eukaryots)
  Kingdom: Animalia (Animals)
   Phylum: Arthropoda (Arthropods)
    Subphylum: Crustacea (Crustaceans)
     Class: Malacostraca (Decapods, Isopods, Amphipods, & Mantis Shrimp)
      Order: Isopoda (Isopods)
       Suborder: Oniscidea (Woodlice)
        Family: Oniscidae (Sowbugs)
         Genus: Oniscus
 
Species: asellus (European Sowbug)
European Sowbug
 (Oniscus asellus) adult


Year
J
F
M
A
M
J
J
A
S
O
N
D
2007
 
 
 
 
 
 
 
 
 
 
 
 
2008
 
 
 
 
 
 
 
 
 
 
 
 
2009
 
 
 
 
 
 
 
 
 
 
 
 
2010
 
 
 
 
 
 
 
 
 
 
 
 
2012
 
 
 
 
 
 
 
 
 
 
 
 
2018
 
 
 
 
 
 
 
 
 
 
 
 
2019
 
 
 
 
 
 
 
 
 
 
 
 
2020
 
 
 
 
 
 
 
 
 
 
 
 
2007
September 14
Tiverton, North
2008
October 9
Tiverton, North
2009
April 7
Tiverton, North
2010
June 12
Block Island
2012
June 9
Jamestown
2018
June 8
Wakefield
2019
May 27
Westport, MA
2020
March 15
Mystic, CT
March 22
Mystic, CT
April 4
Mystic, CT
April 11
Mystic, CT
April 19
Mystic, CT
April 26
Tiverton, South
May 10
Plymouth, MA
* = Juvenile
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