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INDIAN FOREST INSECTS 



Classification of the Coleoptera. 



Beetles are primarily classified into the following series, according to 

 the tarsal joints present and to the form of the antennae : — 



LameUicornia. — Tarsus of all the legs five-jointed. Upper joints of the 

 antennae produced in flat or thickened expansions to one side so as to form a 



Fio. 32. — Example of the great variation in size of the same species of beetle. 

 The insect depicted is Hoplocerambyx spinicorfiis, Newn. 



club which is more or less compact, and can usually be opened out and 

 closed at will. 



Adephaga. — Tarsus of all legs five-jointed. Joints of antennae simple. 

 Larva with two-jointed tarsi. 



Polymorpha. — Tarsus of legs variable. Joints of antennae clubbed or 

 serrate. 



