COLEOPTEEA OR BEETLES. 



145 



The Lambllicobnia or Cockchafers, 

 The Kosc (fig. 63) and Stag Beetles also belong 

 Cockchafers are called Melolonthidffi, and 

 have a peculiar form of antenna. The 

 common Cockchafer (Alelolontha vulgaris), 

 fig. 6i, a large beetle about an inch long, 

 with brown elytra, having five ridges run- 

 ning down them, and pointed abdomen 

 with black and white alternately down the 

 sides, is often very destructive in both 

 adult and larval stages. The antennfe 

 have seven curious leaf-like lamellae in the 

 male (e) and six (f) in the female. The 

 larviB (c) are large, white, soft grubs, often 

 over two inches in length, with the end of 

 the body swollen into a large sac, and with 

 a large, brown, horny head, and six almost 

 useless legs in front. They live for two 

 years, feeding on the roots of plants and youn 



here. The 



Fig. 63. — Rose Beetle 

 (Ceionia aurata), and lar- 

 \3.. (Nicholson.) 



trees, and 



Fia. 64. — Cockchafer (Melolontha vulgaris). 



A, Imago ; b, pupa ; o, larva ; p, tail of J ; e, antenna of <; ; f, antenna of ? . (a 

 and c slightly reduced.) 



pupate deep in the earth in a Avell-formed cell in the third 



K 



