OTHER MEMBERS OF THE CLASS — INSECTA 189 



The hind wings of the bees, wasps, and ants are smaller 

 than the front wings, while none of the wings have the 

 fine network of veining found in the wings of the dragon 

 fiies. The larva.' of these insects are white, footless grubs. 



¥ic. 1.3.3. — Potato stalk, showing life history ot tin' Colorado potato beetle. 



Every one is perfectly familiar with ants ; but not every 

 one, perhaps, is familiar with the fact that in a nest, or 

 colony, of ants there are always three classes, — males, 

 females, and workers. The workers, as their appellation 



