178 



Classification of Insects : Lepidoptera. 



turbed in the larva state will drop by a silk thread like the pre- 

 ceding kinds. 



108. Tortrix resinianx. (The Insect at Rest of the Natural Size; 

 the Larva and Flying Insect Enlarged.) 



700. The Pyralides are nearly akin to the geometers, and are 

 sometimes called delta-moths, from the triangular manner of closing 

 their wings. This tribe includes the meal-worms of old flour barrels, 

 the grease-moths, the hop-vine caterpillar, etc., but they ai-e not 

 particularly injurious to trees. 



701. The Tinece are chiefly destructive to clothing and household 

 stuff, but some of them burrow into leaves, and make winding 

 passages in the pulpy substance of plants. 



