THE BEETLES 1 71 



SYNOPSIS OF FAMILIES OF BEETLES 



Suborder Typical beetles (Coleoptera genuina) 

 Section I. With five-jointed tarsi (Pentamerd) 

 Tribe i. Carnivorous beetles (Adephagd) 



Tiger-beetles (Cicindelidae'} 



Ground-beetles (Carabidae] 



Predacious diving-beetles (Dytiscidae) 



Whirligig-beetles (Gyrinidae) 

 Tribe 2. The club-horned beetles (Clavicornid) 



Water-scavenger beetles (Hydrophilidae*) 



Carrion-beetles (Silphidae) 



Rove-beetles (Staphylinidae) 



Cucuj id-bee ties (Cucujidae) 



Dermestid-beetles (Dermestidae) 

 Tribe 3. The saw-horned beetles (Serricornid) 



Click-beetles (Elateridae) 



Metallic wood-borers (Buprestidae] 



Fireflies (Lampyridae) 

 Tribe 4. The leaf-horned beetles (Lamellicornia) 



Stag-beetles (Lucanidae) 



Scarabaeid beetles (Scarabaeidae) 



Section . With four-jointed tarsi (Tetramera) 

 Leaf-beetles (Chrysomelidae) 

 Pea-weevils (Bruchidae) 

 Long-horned beetles (Cerambyddae) 



Section 3. With three-jointed tarsi (Trimera) 

 Ladybird-beetles ( Coccinellidae] 



Section 4. With different-jointed tarsi (Heteromera) 

 Darkling-beetles ( Tenebrionidae) 

 Blister-beetles (Meloidae] 



Suborder Snout-beetles (Rhynchophord) 



The curculios (Curculionidae) 



The bill-bugs (Calandridae) 



The engraver-beetles, or bark-beetles (Scolytidae) 



