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
                        
                     Polycentropodidae
               
            genus
                        
                     Nyctiophylax
            
                  “Trumpet-net, Tube Maker Caddisflies”
               
      Genus Overview
                  
               
                        10 species in North America, They live in lakes and streams (in pools and reduced current)
                  
               Characteristics
                  
               POLLUTION TOLERANCE
                        No pollution tolerance ranges defined.
                        FEEDING HABITS
                        
                                 Collector / Filterer
Engulfer / Predator
Shredder / Herbivore
                        
                     Engulfer / Predator
Shredder / Herbivore
MOVEMENT
                        
                                 Clinger
                        
                     DISTRIBUTION
                        
                                 Widespread (east of the Rocky Mtns.)
                        
                     HABITAT
                        
                                 Lentic-littoral
Lotic-depositional
Lotic-erosional
                        
                     Lotic-depositional
Lotic-erosional
Diagnostic Characters
               order
                         
                                       
                                       
                                    Prolegs With Single Hook
                                 family
                         
                                       
                                       
                                    Abdominal Segment IX Membranous
                                  
                                       
                                       
                                    Membranous Mesonotum
                                  
                                       
                                       
                                    Membranous Metanotum
                                  
                                       
                                       
                                    Mesonotum with 3 Pairs of Setae
                                  
                                       
                                       
                                    Metanotum with 3 Pairs of Setae
                                  
                                       
                                       
                                    Long, Free Anal Prolegs
                                 genus
                         
                                       
                                       
                                    Small Teeth On Anal Claw
                                 
                  + Expanded Character List
                  
                     
               
            
                        Order:
                           Larvae: Wings/wing pads absent. Eye spots present, but compound eyes absent. Antennae usually small, inconspicuous. Three pairs of segmented legs present on thorax. Pair of anal prolegs, each with single hook, located on last abdominal segment. Larvae can be free-living, in silken retreats attached to substrate, or in usually-portable tubes or cases made of sand, rocks, or plant material.
                     
                     
                        Family:
                           The larva lives in a silken net that is funnel-shaped, tubular, flattened, or like a spider web; the top of the first thoracic segment is covered by sclerites, but the tops of the second and third thoracic segments are membranous; at the front of the base of each front leg is a foretrochantin that is pointed apically (not hatchet-shaped); the tarsi of all legs are more or less cylindrical, not flattened; tibiae are at least as long as the tarsi; anal prolegs are long and freely moveable.
                     
                     
                        Genus:
                           anal claw with small teeth, 
                     
                   
                   
            Lateral
               Ventral
               


