COLEOPTERA — CHRYSOMALINA. 



^1? 



prcthorax not limited on the side hy a longitudinal plica. 



Chastocnemls: Hind femora enlarged and hind tibiee toothed on outer mar- 

 gin. Euplectrosceiis: size large, 5. 5 mm. 



Phyllotreta: hind femora enlarged. Crepitodera and Systena: front coxal 

 cavities closed, the last with elytra not striate. Psilloides: antennae ten- 



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Figure 195. Work of Diabrotica soror. 

 jointed. CEdionychis: last joint of hind foot globose. Diabolia: apical spur 

 of hind tibiae large. Glyptina: elytra striato-punctate. Longitarsis: first joint 

 of hind tarsi half as long as tibiae. Aptliona: groove on hind tibise bifurcate. 

 Paciiybracinus: middle ventral segments narrowed. Exema: antennae re- 

 ceived in marginal grooves. Euryscopa, Coscinoptera, Babia and Saxinis: 

 front coxal cavities confluent, the first two with claws simple, the elytra of the 



