CATERPILLARS. 



143 



but has also recourse to a few cables which it weaves on the 

 outside. 



Another species of moth, allied to the two preceding, 

 is of a pretty green colour, and lays its eggs upon the 



Small gi-eeu Oak-moth. {Tortrix Viridana.) 



leaves of the oak. This caterpillar folds them up in a 

 similar manner, but with this difference, that it works on 

 the under surface of the leaf, pulling the edge downwards 

 and backwards, instead of forwards and upwards. This 

 species is very abundant, and may readily be found as 

 soon as the leaves expand. In June, when the perfect 



Nests of Oak-leaf-rolling Caterpillars. 



insect has appeared, by beating a branch of an oak, a whole 

 shower of these pretty green moths may be shook into the 



air. 



Among the leaf-rolling caterpillars, there is a small 



