THE BUTTEliFLY 



47 



has attempted its annihilation ; and the 

 Brown-tail moth, also lately imported to 

 Boston. 



The measuring-worms (GeometridEe) 

 are, like the Noctuids, very numerous and 

 very destructive. They are so called be- 

 cause the larvie have a way of jiroceeding, 

 as it were, by inches in their locomotion 

 (Fig. 50). One of the most important 

 subdivisions is that of the canker-worms, 

 which often strip fruit and shade trees of 

 their foliage. 



The leaf-roUers (Tortricids^) comprise 

 numerous small, inconspicuous moths 

 whose larvae are, notwithstanding, very 

 destructive. They are so called because 

 many species cause the leaf on which they 

 feerl to curl. One of the most destructive 

 of these moths is the codhng-moth, a great 



pest of the fruit- 



FiG. 40. — Notolophus, 

 tbf Tussock moth. 

 The wingless female 

 is shown below a 

 mass of eggs she has 

 just laid. Nat. size. 

 From life. Photo, 

 hy W. H. C. P. 



Fig. 50. — A "measuring 

 worm." 



grower, for the 

 larva bores into 

 the hearts of 

 apples and pears, 

 causing them to 

 fall prematurely. 



The tineids comprise the smallest 

 of the Lepidoptera. Their wings 

 frequently bear long fringes. The 

 larvae are so small that they often 



^ From lorqueo, to roll or wind. 



