Faghth Report of the State ENTOMOLOGIST. 245 



worms lay under the leaves like a hill of potatoes; they had eaten 

 little holes through the leaves, and some were dead and others 

 dying." The tobacco was bhen pesel and no further trouble 

 experienced from the cut-worms. 



The Apfle-Maggot. 



An insect which has come under notice during the last twenty 

 reare as exceedingly destructive in many localities in the New 

 England States to early apples, even surpassing the common 

 apple-worm of Oarpocapsa pomonella, is the Trypeta pomonella 

 Walsh, known commonly as the "apple-maggot." 



While the apple-worm, with which we have been so long 

 familiar as the cause of the annoying and injurious w T orm-holes 

 in our fruit, is the offspring of a small but beautifully marked 

 moth, the apple-maggot, as its name imports, is the earlier stage of 

 any. 



The Fly. — The perfect insect resembles in form the common 

 house-fly, but it is of a smaller size, being only about one-fifth 

 of an inch in expanse. Its wings are white and glossy, and are 

 marked in a pretty pattern with four blackish crossbands, the 

 first of which is near the base, and the other three are connected 

 upon the front margin of the wing and diverge behind. They are 

 thought to represent somewhat the letters' |p with the | placed 

 next the base and its lower end uniting with the lower end of 

 the F. The abdomen has its first four segments broadly banded 

 with white. 



Life-history. — The parent fly, during the latter part of July 

 or early in August, deposits a number of its eggs upon or near 

 the calyx end of the apple, selecting often for its purpose fruit 

 that has already been burrowed by the apple- worm. Upon hatch- 

 ing from the eggs the young larvae enter the apple and com- 

 mence to feed upon its pulp, not penetrating to the core, as 

 does the apple-worm. Here they produce, at first, little irregu- 

 larly rounded and discolored excavations of about the size of peas. 

 These, when the larvae are numerous, run together until the whole 

 interior becomes a mere pulpy mass of disorganized material, or 

 is entirely honeycombed with burrows in the more solid fruit. 

 Meantime, the apple is entirely fair upon its exterior and gives 



