PROBLEM 10 



35 



of wings and the kind of mouth parts ui-c 

 the guides by which we know the ordcr.s of 

 insects. 



Bees and Wasps {Hymenoptera, mem- 

 brane wings). — The wings are gauzy and 

 four in number. These insects have stings 



t \ 



(look at the end of the 

 abdomen). The moutli 

 l)arts are Um comph- 

 catcd for a beginner to 

 use for identification. 



Butterflies and 

 Moths {Lepidoptera, 

 scale wings). — Char- 

 acterized by having two 

 pairs of large wings, 

 covered with t i ny 

 bright -('()l()r('(l scales. 

 Head j)r()vitled witii a 

 long ])roboscis or suck- 

 ing tube which is coiled 

 up when at rest. 



Grasshoppers (Or- 

 t li <> /) 1 1, ra, straight 



wings). — Found on most green weeds. The 

 mouth parts are fitted fnv biting. Hind wings, 

 if present, are foldcMl uj) lengthwise undiM- the 

 outer wings when at rest. 



FHes (/)/>/r/v/, two wings). — Usually small 

 insects with but a single i)air of gauzy wings. 

 A short ):)r()boscis. 



Bugs {Uciniptcra, half wings).— The wings 



