June, '08] 



ENTOMOLOGICAL NEWS. 



279 



eluding the thoracic breathing tubes, which are quite long and 

 slender, the female pupae are 4 mm. in length and .85 mm. in 

 breadth. 



The spines along the sides of the pupae are inconspicuous, 

 usually ending in a fine bristle-like hair. On the ventral sur- 

 face the first abdominal segment behind the tips of the wing 

 sheaths has but a single row of spines. Along the median 

 line are three or four small spines, bordered on each side by one 



1C ) 



FIG. i. Dorsal and ventral view of larva and ventral view of pupa, 

 Ps. nocturnala (X 20). 



large spine and these in turn by three or four smaller ones, 

 which extend out to the lateral edge of the body. The next 

 four abdominal segments each have two rows of spines. The 

 anterior row on each segment consists of four medium-sized 

 spines, well separated and placed at equal intervals. In the 

 middle of the second row on each segment are three small, 

 closely-set spines, which are bordered on each side by one large 



