ORDER COLEOPTERA. 



107 



ceeded by the grape beetle, Pelidnota. punctata Linn., and the Gold- 

 smith beetle, Cotalpa lanigera Linn. The May-beetle, or dor-bug, is a 



FIG. 108. Metamorphosis of the May-beetle. 2, grub or larva; 1, pupa ; 3, 4, 

 beetle. Natural size. After Riley. 



very common species"; its larva devours the roots of grass, sometimes 

 injuring lawns, also the roots of seedling trees in plantations. Allied 



FIG. 109. Goldsmith beetle and larva. Natural size. 



to it is the rose-chafer, Macrodnctylus subspinosus Fabr., while at the 

 head of the family is the dung-beetle (Phaneus car nif ex \j\m\.), and the 

 sacred Scaraba-us of Egyptian inscriptions. 



Family Lucanidae. Club \isually not flattened, leaves not capable of 

 being closed. Lucanus dama Thunb., stag-beetle; Passalus cornulits 

 Fabr. occurs in all its stages in decayed hard- wood stumps in spring. 



