PSEULXJNEUROl'TERA: MAYFLIES. 189 



the autumn. These insects are about an inch and a 

 half long, and the wings shut around the body like the 

 two valves of a peapod. They produce sounds resem- 

 bling the words " Kat)' did." A thin membrane is 

 stretched in a strong frame, in the over-lapping part of 

 each \ving-co\'er. The rubbing together of these frames 

 as the wings are opened and shut, makes the sounds. 



Migratory Locusts. 



These are grasshopper-like Insects having short 

 antennje, and no long ovipositor. The kinds are many ; 

 some tropical ones are three or four inches long. The 

 most common grasshoppers of the United States belong 



330. — Clouded Locust. 



in this group, and are familiarly known as the Red- 

 legged Locust, Carolina Locust, Coral-winged Locust, 

 Yellow-winged Locust, and Clouded Locust. 



PSEUDONEUROPTERA. 



The following insects have netted-wings and were 

 formerly placed with the Neuroptera, or Lacewings. 

 In the larva state, they live in the water. 



May Flies, or Ephemera. 



Though these insects live only for a few hours or a 

 day in the perfect state, their existence in the larva 



