

76 SCHOOL ENTOMOLOGY 



feed on leaves and roll or fold the leaves for protection, thus 

 acquiring the name Leaf-rollers, which is sometimes applied 

 to the family as a whole. Others feed on leaves without 

 rolling them and still others feed on fruits or vegetables. 

 Several species feed on stored grains and their products 

 and are among the most serious of the pests attacking 



these substances. 

 Among the more im- 

 portant Pyralids are 

 the Mediterranean 

 Flour-moth,* which 

 feeds mainly in wheat 

 products in flouring 

 mills; the Indian 

 t\ meal-moth,* of habits 



1 ' somewhat similar to 



the preceding species; 

 FIG. 49. Melon-worm moth. One of the the Meal Snout-moth, 

 Larger Pyralidina. Enlarged, larger than the others 



and feeding on a 



greater variety of products; the clover-hay worm, which 

 injures old clover hay in mows or in the bottoms of 

 stacks; the melon-worm and the pickle-worm, two rather 

 large and strikingly colored species which attack melons 

 and other plants in the same family; the Grape Leaf- 

 f older; the bee-moth; Case Bearers and many species of 

 leaf-rollers. 



The Tortricina are uniformly small, hav'ng wings 

 usually cut off more squarely at the ends than the other 

 " Micros" and frequently having the wing margins scal- 

 loped. When at rest they show an outline more nearly 

 rectangular than the other families in the group. Among 

 * See page 230, Part II. 



