OTHER JIEMBKKS OF THE CLA.SS — INSECTA 189 



The hind wings of tlic licos, 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 

 flies. Th(> lar\-ie of these insects are wliite, footless grubs. 



Tig. 133. — Potato stylk, showiu;; lilo liistorx- of tlic Colorado potato beetle. 



Every one is perfectly fttmiliar ^vitli ants; but not every 

 one, perhaps, is familiar «-it]i the fact, that in a nest, or 

 colony, of ants there ait^ always tfirce classes, — males, 

 females, ant.l workers. Tlie workers, ;is their appellation 



