LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 57 



85. Body without spines, warts, or filaments; anal plate rounded, head rounded. . .86 

 86.. Head larger than prothorax (Anaea), or legs with reduced hooks on outer side 



(Libythea) ' Nymphalidae (p. 44) 



86. Head smaller than prothorax, legs with a single band of hooks only. 



Pieridae (p. 44) 



Pupa u 



1. Mandibles large, movable, crossing in front of the face. 



Micropterygidae (p. 62) ; Eriocraniidae (p. 64) 



1. Mandibles small, fixed, or obsolete 2 



2. Fourth abdominal segment movable on the third; or appendages free from each 



other and dorsal head-piece longer than prothorax measured on mid-dorsal 

 line 3 



2. Fourth abdominal segment fixed to third; appendages fused to each other, and 



almost always to body wall 22 



3. Maxillary palpi present, separated by a suture from maxillae 4 



3. Maxillary palpi absent or represented merely by lateral extensions of the 



maxillae 11 



4. Dorsum of abdomen with a covering of fine spines, not arranged in rows; 



dorsal head-piece longer than prothorax on mid-dorsal line 5 



4. Several abdominal segments each with a row of spines near the anterior edge, 



sometimes with a second posterior row, but with scattered spines rudimen- 

 tary or absent 7 



5. Maxillary palpi distinct, extending as a band along posterior margin of eye. . . .6 



5. Maxillary palpi minute, not extending along posterior margin of eye. 



A few Gracilariidae (p. 161) 



6. Abdominal segments with irregular areas of diffuse spinules only; first segment 



with spiracle exposed Nepticulidae (p. 79) 



6. Abdominal segments each with an anterior row of spines, more prominent than 



the area of fine spinules; first segment with spiracles covered by wings. 



Incurvariidae (p. 72) 



7. Abdomen with two rows of spines on each of the middle segments 8 



7. Abdomen with the anterior rows of spines only 10 



8. Cremaster represented by a tuft of spines or absent, no spines on the anal rise; 



wings narrow and pointed; large spines present on venter of tenth abdom- 

 inal segment . JEgeriidse (p. 360) 



8. Cremaster specialized, forming a definite process, or spines present on anal rise; 



wings broad, not pointed; no large spines on venter of tenth segment 9 



9. Last abdominal segment with a group of angular nodules, overshadowing the 



setae. Maxillary palpi going with tongue on dehiscence .. Phaloniidae (p. 499) 

 9. Last abdominal segment with prominent setse. Maxillary palpi separating from 



tongue on dehiscence Tortricidae (p. 376) 



10. Mesonotum produced in a long lobe in mid-dorsal line, the metathorax less 

 than a quarter as long Glyphipterygidae (p. 350) 



10. Mesonotum not produced in a lobe ; metathorax rarely less than half as long. 



Tineidae (p. 116) 



11. Dorsal head-piece much longer than prothorax on middle line, often twice as 



long; dorsum of abdomen with scattered fine spines, rarely dominated by a 

 stronger anterior row 12 



11. Dorsal head-piece not longer than prothorax (sometimes not separated from 

 the other sclerites) 16 



12.- Antennae extending half the length of the wings; labrum very long and lobe- 

 like, covering a fourth of labial palpi Heliozelidae (p. 225) 



Based on the keys in A Classification of the Lepidoplera, based on Characters of the Pupa, by Dr. Edna 

 Mosher,.in the bulletin of the Illinois State Laboratory of Natural History vol. 12, article a. 



