order
                        
                      
                                    Coleoptera
                                       “Adult Beetles”
                                  
                                    Coleoptera
                                       “Larval Beetles”
                                  
                                    Diptera
                                       “True Flies”
                                  
                                    Ephemeroptera
                                       “Mayflies”
                                  
                                    Hemiptera
                                       “True Bugs”
                                  
                                    Lepidoptera
                                       “Aquatic Caterpillars, Snout Moths”
                                  
                                    Megaloptera
                                       “Alderflies, Dobsonflies, and Fishflies”
                                  
                                    Odonata
                                       “Dragonflies and Damselflies”
                                  
                                    Plecoptera
                                       “Stoneflies”
                                  
                                    Trichoptera
                                       “Caddisflies”
                                 family
                        
                     Taeniopterygidae
               
            genus
                        
                     Strophopteryx
            
                  “Broadbacks, Winter Stoneflies”
               
      Genus Overview
                  
               
                        5 species in North America, Length of mature specimens 8-13mm, yellow or tan, large coxa, univoltine, found in stony areas of stream, 
                  
               Characteristics
                  
               POLLUTION TOLERANCE
                        Southeast: 2.5
                                 Upper Midwest: 3
                              0 = least tolerant, 10 = most tolerant
                        FEEDING HABITS
                        
                                 Shredder / Detritivore
                        
                     MOVEMENT
                        
                                 Clinger
Sprawler
                        
                     Sprawler
DISTRIBUTION
                        
                                 Widespread (east of the Rocky Mtns.)
                        
                     HABITAT
                        
                                 Lotic-depositional
Lotic-erosional
                        
                     Lotic-erosional
Diagnostic Characters
               order
                         
                                       
                                       
                                    Two Tails
                                  
                                       
                                       
                                    Two Tarsal Claws
                                 family
                         
                                       
                                       
                                    Divergent Wing Pads 
                                  
                                       
                                       
                                    Gills Unlike Peltoperlidae
                                  
                                       
                                       
                                    Hind Legs Don't Reach
                                  
                                       
                                       
                                    Paraglossae And Glossae Subequal
                                  
                                       
                                       
                                    Tarsal Segments Subequal
                                 
                  + Expanded Character List
                  
                     
               
            
                        Order:
                           Wings developing in wing pads. Mouthparts suitable for chewing. Gills digitiform and located near mouthparts, on neck, sides of thorax, or underside of base of abdomen, never on top or sides of abdomen. Two tarsal claws per leg. Only two tails (cerci).
                     
                     
                        Family:
                           Paraglossae and glossae about same length. Second tarsal segment of each leg about same length as first. Wing pads divergent, not parallel with body. Gills absent on abdominal segments. Unlike Peltoperlidae, gills, if present, not conical, and thoracic sterna not overlapping. Unlike Nemouridae, hind legs not reaching end of the abdomen.
                     
                     
                        Genus:
                           Finge of hairs on both sides of tibia (some species without), dorsal silky hairs on basal cerci segments 
                     
                   
                   
            Dorsal
               Ventral
               


