BEETLES. 163 



Genus Luperus, Geoffr. 



Pronotum bordered on the sides. Head produced, and 



together with the eyes nearly as broad as the pronotum. 



Elytra broader than the pronotum. Femora not thickened. 

 They live on trees and bushes. 



* L, Jlavipes, Linn. (Plate XX., Fig. 20). Black, with the 

 first joints of the antennae, the pronotum, and legs orange. 

 It is found on fruit-trees, and is especially fond of the 

 leaves of pear-trees. It is generally distributed through the 

 British Isles. 



Genus Haltica, Illig. (Flea Beetles). 



Pronotum much broader than long. Wing-cases usually 

 rather broader than, the pronotum. Hind femora thickened. 

 This is a large genus of very small hopping beetles, which 

 lire upon low plants and trees, and are often destructive to 

 tield produce. 



* H. {C repidodera) versicolor^ Kutsch. {aurata, Marsh), (Plate 

 XX., Fig. 21). Blue or green, with a golden glitter and a 

 crimson pronotum. The legs are orange, with the exception 

 of the femora. It is found on willows and poplars. 



H. {Crepidodera) impressa, Fabr. (Plate XX., Fig. 22). This 

 is reddish-ochreous, with numerous punctures. It is a South 

 European species. 



* H. {Podagrica) fuscicornis, Linn. (Plate XX., Fig. 23). 

 Wing-cases blue, with the head, pronotum, antennoe, and legs 

 orange. It is common on mallow. 



* H. {Pliyllotreta) nemorum, Linn. This species is one of 

 the commonest of the black and yellow flea-beetles. It is 

 often very destructive to turnips, cabbages, and other garden 

 produce. 



M 



