186 Bugs, Butterflies, and Beetles 



birds. The TitjTus Skippers are good housekeepers ; 

 the)'^ have no dirt in their bedrooms and have a way 

 of throwing it out, by jerking their body and easting 

 the refuse quite a distance. The caterpillar of the 

 Tityrus feeds upon the locust trees and sometimes 

 makes its cocoon inside the leaf which it inhabits 

 (Fig. 168). But usually it seeks some safer place 

 and makes its cocoon of any old loose stuff it can 

 find, lines it with a web of silk and sleeps there 

 until the following summer. 



The butterflies, the real true butterflies, when at 

 rest, bring their wings together like the leaves of a 

 book, holding them stiffly upright in this position. 

 But some of the Skippers bring their fore-wings 

 together upright like a butterfly, while holding 

 their hind wings partially open like a moth or mil- 

 ler when at rest. Other Skippers make no pre- 

 tense to holding their wings upright, but spread 

 them open like the moth when at rest. 



They also have a tendency to make cocoons like 

 a moth's instead of suspending themselves in jewel 

 chrysalides, like the real butterflies. 



The Skippers' bodies are thick and suggest the 

 bodies of the moths more than they do those of the 

 butterflies. Then you will note that thdr antennse 



