BEETLES. 131 



found on the shoots and under the bark of young fir-trees, 

 which they sometimes damage considerably. 



Genus PissODES, Germ. 



Elytra with a distinct callosity before the tip, cylindrical. 

 Prosternum simple. Proboscis slightly curved. They are 

 found on the trunks of pines and firs, and the larvae live 

 under the bark. 



P. picefjc, Illig. (Plate XIII., Fig. 36). Brown, with raised 

 interspaces on the elytra, and yellowish bands. The proboscis 

 is reddish-brown, thickly punctured. It lives in the white 

 pine, to which the larvce are very destructive. It is found 

 in Germany and Switzerland. 



* P. piniy Linn. (Plate XIII., Fig. 37). This species is 

 somewhat lighter. The elytra have a deep quadrangular 

 depression, and a narrow yellow transverse band, as well as 

 several spots of the same colour. It is found on fir-trees, in 

 the North of England and in Scotland. 



Genus Grypidius, Schonh. 

 Wing-cases oval, and almost twice as broad at the 

 base as the pronotum. Front tibice with scarcely visible 

 hinder angles. Proboscis longer than the head and pronotum, 

 rounded and curved, They live in meadows. 



* G. equiseti, Fabr. (Plate XIV., Fig. 1). This beetle is 

 pitchy-black, with whitish and bluish-grey scales. The elytra 

 are dilated behind the middle, and both are marked with two 

 white spots. It lives in damp meadows on Equisetum, 



Genus Erirhinus, Schonh. 



Body usually elongated oval. Elytra completely covering 



the abdomen. Proboscis long and slender, with a long furrow 



for the antennae. Front margin of the pronotum even and 



straight beneath. They live on aquatic plants and on trees. 



K 



