THE LESSER APPLE WORM. 



55 



skin the larva as it grows may excavate cavities or holes extending 

 into the flesh from one-fourth to one-half inch, or deeper. This sur- 

 face injury, which may occur on the ends or sides, while perhaps not 

 more serious in its effect than the borings at the calyx and stem ends, 

 is more conspicuous and greatly disfigures the fruit. (See figs. 1 and 

 2, PI. VII.) 



Larvte of this species apparently do not reach full development as 

 early in the fall as those of the codling moth, and man}^ find their 

 M'ay into the barrels, where they continue to feed, in some instances 

 observed doing considerable damage, the introduction of the infested 

 fruit being favored by the inconspicuous nature of the injury when 

 occurring in the ends of the apples. 



DESCRIPTION. 



Egg. — The ^gg stage has not been observed. 



Larra. — Full-grown larvae (at time of leaving fruit in fall for 

 hibernation) measure from 6 to 8 nmi. in length. The body is some- 



FiG. 11. — Lesser apple worm (Enarmonia prunivora) : a, Adult or moth ; b, same, with 

 wings folded; c, larva; d, pupa in cocoon, ready for transformation to adult; e, young 

 apple, showinj; at calyx end empty pupa skin from which moth has emerged. Enlarged 

 about three times. (Original.) 



what fusiform, uniformly reddish flesh-colored above, lighter below, 

 the intensit}' of coloring varying in different individuals from deep 

 reddish pink or purplish to almost or entirely white. Head bilobed, 

 retractile, brown to dark brown, in some specimens more or less mot- 

 tled with dusky. The ocellar spots, a spot caudad on cheek, and tips 

 of the well developed and strongly toothed mandibles, black ; sutural 

 lines dark brown to blackish; width 0.75 to 0.85 mm., and about as 

 long as wide. Thoracic shield prominent, yellowish, transparent, 



