THE XERCES SOCIETY FOR INVERTEBRATE CONSERVATION

Aquatic Invertebrates in Pacific Northwest Freshwater Wetlands
An Identification Guide and Educational Resource
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  Identify taxaTaxa uncommon in wetlands
  Plecoptera
(stoneflies)

Always have two claws at the tip of each leg; always have two cerci at tip of abdomen; gills (when present) are finger-like and located on the thorax, neck, head, or between cerci 		  capniidaechloroperlidaepeltoperlidaeperlidaeperlodidae
       
 

Lepidoptera
(aquatic moth caterpillars)

Many finger-like gills on abdomen and thorax; 6 short, hard legs on thorax; 4 pairs of tiny prolegs on the ventral side of the abdomen

  
       
 
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