110 



QUINCE CULTURE. 



them are likely to be barren, because it is too late to 

 form new foliage with fruit buds. 



Remedy. Gather and destroy them in their webs. 

 The Spined Soldier-bug (Podisus spinosus, Dallas) pierces 

 their bodies with its beak, and sucks them empty. There 

 are birds that pierce their webs and destroy them in 

 spite of their concealment. 



11. THE BAG- WORM, BASKET- WORM, or DROP-WORM 

 (Thyridopteryx ephemermformis, Haw). The bag-worm 



a, Larva ; 5, Chrysalis ; c. Female ; <?, Male ; e, Female bag opened ; /, The 



Worm and its Bag ; g, The Young. 

 Fig. 94. THE BAG-WORM, BASKET- WORM, OR DROP-WORM. 



of the United States has a range from Alabama on the 

 south to Massachusetts on the north. The Germans 

 call it Sack-trager (sack-bearer). It feeds on almost 

 every variety of trees, including the quince. The names 

 applied to this caterpillar are significantly descriptive. 

 No sooner is it hatched than it begins to make a bag- 

 like house on a tender leaf. Standing on the leaf, with 

 its little tail turned up, it spins a silken ring around it- 

 self, fastening bits of the leaf on the outside, and adding 

 to the lower edge of the ring as they increase it upward, 



