294- INSECTS. COLEOPTERA. 



long cylindrical joints ; rostrum short ; maxillary palpi termi- 

 nated by a joint in form of an elongated axe ; labium cordate; 

 elytra flexible, often setaceous at their extremity. 



This genus is found on flowers, in meadows, and fly easily. Their larvze are not 

 known. 



CE. ccerulea, Lat. Bluish or brilliant golden green ; elytra narrow- 

 ed into a point ; posterior coxse tumid and arched in the male. 

 4 lines long. Inhabits Europe. Lat. Gen. ii. 229. 



TRIBE V. RHYNCHOSTOMA. 

 Fore part of the head elongated in form of a snout or proboscis. 



Gen. STENOSTOMA, MYCTERUS. 



Gen. STENOSTOMA, Lat. Leptura, Fab. 

 Rostrum elongated acute ; antennae inserted on the rostrum be- 

 yond the eyes ; elytra long, flexible, not subulate ; maxillary 

 palpi with the last joint cylindrical. 



S. rostrata, Lat. Bluish, with the feet rufous ; elytra with three 

 elevated lines. Southern Europe, on flowers. Lat. Gen. ii. 229. 



II. Head heart-shaped^ broad behind, and the base forming 

 a kind of neck. 



FAMILY IV. TRACHELIDES. 



Head triangular, cordiform, and separated from the thorax; 

 antennae simple, flabelliform, pectinated, or serrated ; jaws 

 destitute of corneous teeth on the internal side ; hooks of the 

 tarsi entire, and penult joint bilobed in the greater number. 



The greater part of this family live in their perfect state on different vegetables, and 

 eat the leaves or suck the honey of their flowers. Many when they are seized bend 

 their head, and contract their feet as if dead. The larvae live either in the ground 

 or in old wood. Some of the species are parasitical and carnivorous. 



TRIBE I. LAGRIARLE. 



Penult joint of the tarsi bilobed ; maxillary palpi terminated 

 by a larger triangular joint ; antennae simple, filiform, or gra- 

 dually thickening towards the point, often granulated, and 

 terminated in the male by a joint longer than the preceding; 

 body elongated, narrowest before, with the thorax cylindri- 

 cal or square. 

 Gen. LAGRIA, STATIRA. 



Gen. LAGRIA, Lat. Chrysomela, Lin. 



Exterior labrum notched; palpi thickest at their extremity, the 

 maxillaries terminated by a dolabriform joint ; jaws membran- 

 ous in two equal divisions ; labium of a long square form, 

 rounded at its upper extremity ; chin very short ; body ob- 

 long ; elytra flexible. 



L. hirta, Fab. (the male.) L. pulescens, (the female.) Black, hairy, 

 the elytra yellowish, semitransparent, with four slightly mark- 



