THE MOTHS OF THE BRITISH ISLES. 



in the way of flowers and "honey dew" abound, the insects 

 may possibly ignore the most tempting bait we can contrive 

 for them. There is much uncertainty in this favourite method 

 of collecting, 

 and whether 

 sugar is put 

 on tree 

 trunks, foli- 

 age, palings, 

 rocks, or 

 stones, or 

 smeared on 

 rags, and 

 these hung 

 up on barbed 

 wire fences ; 

 or daubed on 

 heads of 

 thistles or 

 bunches of 

 grass heads 

 tied t o- 

 gether, one 

 must be pre- 

 pared to 

 accept the 

 dlsappo i n t- 

 ments that 

 are inevit- 

 able, how- 

 ever careful we may be in the selection of " suitable evenings." 

 It may be added that newly sugared trees are generally less 

 attractive than those that are frequently painted with the mixture. 

 Caterpillars that feed on the foliage of trees and shrubs may 



Fig. 14. 

 Caterpillar of Eyed Hawk-moth. 



