96 BUTTERFLIES 



Dr. Hancock found that the butterflies were able to 

 cling on the flowers during strong winds very persistently, 

 so that even when a storm blew across the sand dunes they 

 were likely to remain in position. They also have the in- 

 stinct to rest very quietly after they have lit upon the 

 clustered flower heads. 



The Olympian Orange-tip 



Synchloe olympia 



In various parts of the Southern states there is at least 

 one other Orange-tip butterfly which is found occasionally 

 in connection with the Falcate Orange-tip. It was named 

 Olympia many years ago by William H. Edwards. It is a 

 delicate white species marked with black and yellow very 

 lightly both above and below, the yellow showing only on 

 the under side of the hind wings and that part of the front 

 wing which is exposed when the insect is at rest. Strictly 

 speaking, this is not an Orange-tip because the orange 

 color is lacking in both sexes. 



This is rather a rare species which occurs occasionally 

 from the Atlantic states to the Great Plains south of a 

 line drawn from northern Maryland to northern Missouri. 

 Like its allies the larvae feed upon various cruciferous plants, 

 the hedge mustard being one of these and the adults visit the 

 flowers of the same family. They doubtless have habits 

 similar to those of the Falcate Orange-tip, and the extreme 

 delicacy of color must render them practically invisible 

 when resting upon the small white flowers of most cruci- 

 fers. 



Most of the Orange-tip butterflies are found on the 



