BEETLES. 135 



Genus CossoNUS, Fabr. 



Body smooth and long. Antennse rather thick, and inserted 

 beyond the middle of the proboscis. Elytra more than twice 

 as long as broad. They are found under decayed bark. 



* C. linearis, Linn. (Plate XIV., Fig. 12). Pitchy-black, 

 with rusty-red legs and antennae. Not unfrequently the 

 beetle is entirely brown. Elytra flattened on their front 

 half. It lives in the wood of willows and poplars. 



Genus Magdalinus, Schonh. 

 Elytra cylindrical, rounded at the base, with a raised border, 

 leaving the pygidium free. Antennae elongated, with the 

 flagellum clubbed at the extremity. 



* 3f. pruni, Linn. (Plate XIV., Fig. 13). This is a black 

 beetle, with a long, straight proboscis. The antennae are 

 reddish-ochreous, except the club. It is common on fruit 

 trees, and the larva in dead wood. 



Genus Apion, Herbst. 

 Head and eyes nearly as broad as the pronotum. Antennae 

 rather slender, with an oval, tapering club. Proboscis awl- 

 shaped and pointed. There are a great many of these small 

 beetles, and they are difficult to distinguish. They live on 

 bushes and low plants, and the larvae in the seeds, leaves, 

 and stalks. 



* A. pomonce, Fabr. (Plate XIV., Fig. 14). Black, with blue 

 wing-cases. Proboscis generally expanded on the under surface. 

 It is common on shrubs and fruit trees, living on the flowers. 



* A. miniatum, Schonh. (Plate XIV., Fig. 15). This species 

 is blood-red, with black eyes and a rather stout proboscis. 

 The elytra are elongated oval, and deeply punctate-striate. 

 It lives in galls growing on wdllow^s and aspen. 



