162 



INSECT ARCHITECTURE. 



not contented, like the former insect, with threads 

 fixed on the inside of the leaf; but has also recourse 

 to a few cables which it weaves on the outside 



Another Nest of Lilac-tree Rollen- 



Another species of moth allied to the (wo pre- 

 ceding, is of a pretty green colour, and lays its eggs 



Small s^-ecn Oak-moth. (Tortrix Viridana.) 



upon the 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 for- 

 wards and upwards. This species is very abundant, 



