JOURNAL OF ENTOMOLOGY AND ZOOLOGY 33 



vi'iiiitidii sliowinn- clfarly, dark Iirt>\viL Tlic jjleuritt's of the 

 abdomc'ii are darker hrowu than the .steriiites or tergites; ointh 

 segment dull yellow. 



Length, from crest to tip of abdomen — 9 , 14-16 mm. 



Dextro-sinistral width at wing-pad — 9 , 1.8-2 mm. 



Dorso-ventral depth at wing-pad — • 9 , 2.5-2.7 mm. 



These specimens were taken at Ithaca, New York, as larvae 

 on May 30, 1913; they were removed from the breeding jars 

 as fully-colored pupae on June 6, 1913. The single S I possess 

 is represented only by a cast skin, taken as a larva on May 30, 

 and emerging as an adult fly on June 6. 



