LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 233 



Key to the genera 



1. R 3 and R 4 stalked with R 5 , M., lost (fig. 136) ... 1 Martvrinffa 



1. R 3 free. 



2. R 5 running distinctly to outer margin; all veins present (fig. 138). 

 3. Palpi with a triangular tuft on under side of second joint (fig. 146). 



2. Eumeyrickia. 

 3. Palpi smooth-scaled, slender (fig. 147). 



4. CUi arid Cu, of fore wing closely approximate at origin 5. Psilocorsis. 



4. CUj and Cu 2 remote at origin. 



5. Hind wing with R and Mj divergent, palpi not reaching vertex, pecten 



present 3. Gerdana. 



5. Hind wing with R and M t parallel (fig. 138), palpi far beyond vertex, 



no pecten 4. Cryptolechia. 



2. R 5 to costa or apex (figs. 139, 140). 



3. Abdomen strongly flattened, palpi with divided tuft on second joint, pecten 

 present. 



4. CUj and Cu 2 of fore wing stalked (fig. 139) 6. Agonopteryx. 



4. CUj and Cu, of fore wing separate (fig. 140) 7. Depressaria. 



3. Abdomen cylindrical; second joint of palpi without longitudinally divided 

 tuft. The species with broad hind wings, which run here, lack the 

 pecten. 

 4. Hind wing with a median missing; M, stalked with CUj (fig. 145). 



17. Endrosis. 

 4. Hind wing with all veins preserved. 



5. M 3 and CUj of hind wing separate at origin. 



6. Fore wing with a radial lost 12. Decantha. 



6. All veins present; costa concave (fig. 219, p. 356). 



(Euclemensia : Heliodinidae. ) 

 5. M 3 and CUj connate or stalked. 



6. Fore wing with one radial missing (R 4 and R 5 completely fused). 



13. Fabiola. 

 6. All veins present; R 4 and R 5 stalked. 



7. Antennae thickened with scales on shaft, toward base.. 14. (Ecophora. 

 7. Antennae not specially thickened toward base; the segments about 

 twice as long as wide. 



8. M 2 connate or stalked with M 3 +CUj 15. Triclonella. 



8. M 2 free (fig. 143). 



9. Antenna with pecten 16. Borkhausenia. 



9. No pecten. 



10. Hind wing obtuse, as wide as fore wing. 



10. Hind wing lanceolate, three-fourths as wide as fore wing. 



11. Schiffermuelleria. 



11. Hind wing with M 2 nearest B^ (fig. 142) 10. Ethmia. 



11. Hind wing with M 2 rather nearer M 3 , rarely central (fig. 



141). 

 12. Fore wing with Cllj and Cu 2 approximate or stalked; 



hind wing ample 9. Semioscopis. 



12. Fore wing with Cu t and Cu, widely separate at base. 



8. Inga. 



