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
                        
                     Hydrophilidae
               
            genus
                        
                     Berosus
            
                  “Water Scavenger Beetles”
               
      Genus Overview
                  
               
                        This genus has 24 species in North America. Characteristics that distinguish this genus are the long swimming hair along the tibia of the middle and hind legs.  Best seen in the dorsal view however these are difficult to see in the image. 
                  
               Characteristics
                  
               POLLUTION TOLERANCE
                        Southeast: 8.6 and higher
                                 Midwest: 6.7 and higher
                              0 = least tolerant, 10 = most tolerant
                        FEEDING HABITS
                        
                                 Collector / Gatherer
Piercer / Herbivore
Shredder / Herbivore
                        
                     Piercer / Herbivore
Shredder / Herbivore
MOVEMENT
                        
                                 Climber
Diver
Swimmer
                        
                     Diver
Swimmer
DISTRIBUTION
                        No distributions defined.
                        HABITAT
                        
                                 Lentic-littoral
                        
                     Diagnostic Characters
               order
                         
                                       
                                       
                                    Elytra
                                 family
                         
                                       
                                       
                                    5 Segments Before Cupule
                                  
                                       
                                       
                                    Antenna Subequal To Head
                                  
                                       
                                       
                                    Antennal Segment Articulation
                                  
                                       
                                       
                                    Clubbed Antennae
                                  
                                       
                                       
                                    Long Maxillary Palpi
                                 genus
                         
                                       
                                       
                                    Long Hairs Along Tibia
                                 
                  + Expanded Character List
                  
                     
               
            
                        Order:
                           Adults with hardened forewings (elytra) covering the hind wings. 
                     
                     
                        Family:
                           Maxillary palpi usually longer than antennae. Antennae about as long as head, with 2nd segment attached at apex of 1st (basal-most) segment; usually with 5 segments before cupule (cup-shaped, hairless, segment 6); segments 7–9 clubbed. Pronotum usually not narrower than elytra; if narrower, then scutellum long and triangular. Elytra concealing entire abdomen or exposing only part of 1 segment. Hind coxae not extending in the posterior direction to divide abdominal sternite 1. Metacoxae nearly touching. Ventrally, longitudinal keel narrow between coxae. Tarsal formula: 5-5-5 or 5-4-4. Ventrally, abdomen with 5 visible segments.
                     
                     
                        Genus:
                           testaceous (yellow-brown) colored, two spots on pronotum with multiple on elytra, 
                     
                   
                   
            Dorsal
               Ventral
               


