INSECTS
the skin of the newly emerged insect has hardened, thus preventing a further growth or change in the cellular layer of the body wall beneath it. Reorganization can proceed within the body, but the outer form is fixed and
Fig. 137. Adult and larval form of beetles (Order Coleoptera)
A, a ground beetle, Pterosticus. B, the same beetle with the right wings spread. C the larva of Pterosticus. D, an adult beetle, Silpha surinamensis, with the left wings elevated. E, the larva of the same species, showing the similarity in structure to the adult (D) except for the lack of wings and the shortness of the legs
[ 244 ]
