CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 28 1 



EEE. Antennas lamellate. — Lamellicornia or Leaf-horns 

 (Fig. 183). 

 CC. Fourth and fifth tarsal segments grown together; antennae 

 bead-like. — Phytophaga or Plant-eaters (Fig. 184, A). 



Fig. 181. — Ventral aspect, of a carabid beetle (Gaierj^ajawMi). i, Prosternum- 

 2, proepisternum; 3, proepimeron; 4, coxal cavity; 5, inflexed side of pronotum; 

 6, mesosternum; 7, mesoepisternum; 8, mesoepimeron; 9, metasternum; 10, ante- 

 coxal piece; 11, metaepisternum ; 12, metaepimeron; 13, inflexed side of elytron- 

 a., sternum; an., antenna; c, coxa;/., femur. {After Folsom.) 



CCC. Tarsi 3-Jointed; antennae clavicorn. — Trimera CoccinellidcB, p. 281. 

 BB. Fore and middle tarsi 5-jointed and hind tarsi 4-jointed. — Heteromera. 

 A A. Head often prolonged into a beak; maxillcc undivided; palpi rigid and not 

 more than 3-jointed; larvae legless. — Rhyncophora or Snout Beetles, p. 328. 



