Lepidoptera of New York and Neighboring States 597 



12. A silver stripe on inner margin; apex more acute. 



10. quinquareatus. 

 12. Inner margin concolorous, brown; apex blunter. 



9. leachellus. 



2. A fine white line on Cu only ( Thaumatopsis species) . 



2. Cell without a white or silver streak. 



3. Terminal line continuous on costal half of wing, contrasting with the 

 yellow terminal space, represented by three black dots below. 



27. hortuellus. 

 3. Terminal line all broken into dots, or obscure. 



4. Eyes less than one-half as wide as front; palpi hairy; a heavy oblique 



black median fascia 33. trichostomus. 



4. Eyes about as wide as front; palpi less hairy; a slight dark median 

 fascia, or none. 

 5. Fringe bright golden, bronze; six or seven black terminal dots. 

 6. Subterminal line even, silvery, and nearly parallel to outer margin; 



terminal space yellow 23. decorellus. 



6. Subterminal line diffuse, more or less irregular, strongly sinuate, 

 and rapidly diverging from margin below; terminal space brown- 

 dusted 25. ruricolellus . 



6. Subterminal line completely absent 24. vulgivagellus. 



5. Fringe dull, or. dark lead-gray, rarely shining. 



6. Subterminal line even, more or less metallic, and roughly parallel 

 to outer margin; terminal space powdered with fuscous on whit- 

 ish 22. teterrellus. 



6. Subterminal line irregular, diffuse, and much more oblique than 

 outer margin, or obsolete. 

 7. A distinct blackish spot or oblique streak in fold below end of 

 cell; a longitudinal pale shade through middle of wing. 

 8. Male antennae with laminations narrow, separate; fore wing 

 with six or seven terminal dots; pale shade whitish. 



26. mutabilis. 



8. Male antenna? with laminations in contact; fore wing with 



three or four terminal dots on dorsal half; pale shade ochre 



yellow 28. triseotus. 



7. Median shade but little darker than ground, or obsolete; no dis- 

 colorous longitudinal shade through cell. 

 8. Three or four terminal dots on dorsal half of wing; ground 



pale gray 29. laciniellus. 



8. Terminal line very weak and continuous, or enlarged into slight 

 dots on all the veins. 



9. Ground yellow 32. luteolellus. 



9. Ground fuscous, sometimes heavily dusted with fuscous on a 

 dirty white ground 30. caliginosellus, 31. zeellus. 



Thaumatopsis gibsonella will run to near luteolellus. but the subterminal line 

 is obsolete, edonis may be distinguished by its large size (35 mm.), also. 



I. Palpi moderately hairy, eyes about as wide as front (Crambus). 

 A. Fore icing with Sc and R t separate, normally approximate (fig. 368). 



* Fore wing with a silvery stripe. 

 t Fore wing normal in form. 

 1. C. laqueatellus Clemens. Straw color, costal and cellular silver stripes 

 rather widely separated; a large triangular costal subterminal streak. More 

 or less silver on veins, edged with black; terminal space pale, with five fine 



