LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 369 



2. Terminal tuft red. 



3. Interspaces near apex of fore wing light yellow 8. acerni. 



3. Margins of fore wing wholly black 7. corni. 



2. Terminal tuft black, or black and yellow. 



3. Palpi and middle and hind tibia? wholly bright orange. 



4. Tarsus with metatarsus only orange; wing with smoky fringe only. 



9. fulripes. 

 4. Tarsus wholly orange; fore wing with fairly broad dark tip. 



10. saxifragcc. 



3. Hind tibia? at least largely black or light yellow. 

 4. Abdomen with a single red transverse band. 



5. Band on one segment; hind tibia with yellow band (2.) culiciformis. 

 o. Band covering two segments. 



6. Ground color of tip of fore wing red 3. bolteri. 



6. Tip of fore wing wholly black 2. rubrofascia. 



4. Abdomen more or less striped with yellow, or wholly black. 



5. With seven hyaline interspaces toward margin, cell CUj being hyaline. 

 6. Stigma black, narrow. 



7. Sides of front yellow; vertex between antennae black. 



11. pictipes. 

 7. Sides of front concolorous, black; a yellow tuft between 



antenna? 1. exitiosa. 



6. Stigma largely red, contrasting 12. rubristigma. 



5. With six hyaline spaces, or fewer (Cu x scaled, with rare exceptions); 



border- of fore wing broader. 

 6. Discal stigma concolorous. 



7. Yellow bands on fourth and fifth segments of abdomen, both 



strong and equally strong 14. rhododendri. 



7. Fifth segment with a very weak band, or with none. 



8. Hind metatarsus yellow; palpi yellow, or with some fuscous 



on upper side; abdominal tuft yellow at edges. 

 9. Abdomen with stripes on first and second segments nearly 

 equal; also third and seventh of male, and sixth of female. 



15. bassiformis. 



9. Abdomen with first segment not striped; a very strong 

 stripe on fourth segment; and a weaker stripe or none on 



sixtli or seventh segment 16. scitula. 



8. Hind metatarsus black. 



9. Abdomen with three strong yellow stripes, on second, fourth, 

 and sixth segments of female, and on seventh of male. 



17. tipuliformis. 

 9. Abdominal stripes weak or absent; never very strong on 



alternate segments. 

 10. Border extending more than half way in to end of cell. 



20. ithaccc. 

 10. Border narrower. 



11. Abdomen striped more or less with yellow, at least with 

 a yellow bar on side of second segment; palpi largely 



yellow 18. pyri. 



11. Abdomen wholly black above; palpi yellow below in 



male; wholly black in female 19. albicornis. 



6. Discal bar contrastingly red, at least in large part. 



7. Stripes on second to sixth or seventh abdominal segments, equal 

 or nearly so; hind tibia) yellow or largely so.... 21. rileyana. 



