152 



THE FRUIT INDUSTRY IN NEW YORK STATE 



developing blossoms. The two case-bearers are easily recognized 

 bv the characteristic cases, that of the cigar case-bearer, Coleo- 

 plwra iicirlierella Fern., being cigar-shaped, while the pistol case- 

 bearer, C. malivoreHa, Riley, is enclosed in a pistol-shaped shelter. 

 Both remain exposed 011 the leaves and although small, being less 

 than a quarter of an inch long, are easily seen. The leaf roller, 

 Ar chips argyrospila Walk., is about three-fourths of an inch 

 long, active, light green, with a dark brown or black head, and may 



FIG. 236. APPLES SERIOUSLY INJURED BY THE GREEN 'FRUIT Womi 



be found in loosely curled leaves as well as eating into the fruit. 

 The green fruit worm, Xylina antennata Walk., is larger and 

 stouter, has a light green head, and is usually marked with sev- 

 eral distinct, although somewhat broken, longitudinal white lines. 

 When any of these are abundant they should be checked by 

 early and thorough applications of a poison, such as arsenate of 

 lead, about three pounds of the paste to fifty gallons of water 

 being used. In many instances the first spraying for the codling 



