COLEOPTERA 



469 



Spondylis, the fourth segment of the tarsus, although much reduced 

 and immovably united with the fifth, is distinctly visible, the first three 



ABC 

 Fig- 551- — Tarsi of Phytophaga: ^.typical; B, 

 Spondylis; C, Parandra. 



BB. 



segments are but slightly dilated, and the third 

 is either bilobed, Spondylis (Fig. 551, 5), or not, 

 Parandra (Fig. 551, C). Series Phytophaga. 

 See Table VI, below. 

 EE. Tarsi varying in form and in the number of 

 the segments, but when five-jointed not of the 

 type described under E above, the joint be- 

 tween the fourth and fifth segments being 

 flexible. Series Palpicornia, Polyformia, and 

 Clavicornia. See Table IV, below. 

 DD. Antennae with a lamellate club. Series Lam- 

 ellicornia. See Table V, below. 

 Head either prolonged into a beak or not; palpi 

 usually short and rigid; gular sutures confluent on 

 the median line (Fig. 552, gs); prosternal suttires 

 wanting; the epimera of the prothorax meeting 

 on the middle line behind the prosternum (Fig. 

 552, em). Series Rhynchophora. See Table 

 VII, below. 



TABLE II. 



-THE FAMILIES OF THE SUB- 

 ORDER ADEPHAGA 



Fig. 552. — Head and 

 prothorax of Rhyn- 

 chophoriis: gs, con- 

 fluent gular su- 

 tures; s, proster- 

 num; em, epime- 

 rum; c, coxa; /, fe- 

 mur. 



A. Metasternum with an antecoxal piece, separated by 

 a well-marked suture reaching from one side to the other 

 and extending in a triangular process between the hind 

 coxae. 



B. Antennae eleven- jointed ; hind coxae mobile, and of the usual form; habits 

 terrestrial. 

 C. Antennae inserted on the front above the base of the mandibles, p. 476. 



ClCINDELID^ 



