170 William T. M. Forbes 



2. Palpus with a small, triangular tuft on second segment. 



3. Ground all pale luteous and white, with very fine, black scale-tips. 



31. paradoxa. 

 3. Ground darker, with considerable brown or gray. 



4. Fore and middle tibiae and under side of wings red-brown, tarsi whitish. 



32. quercinigrella. 

 4. Fore and middle legs powdery gray, with narrow white bands; under- 

 side gray. 

 5. Ground dominantly white, with complete, blackish fasciae; scales dark- 

 tipped 29. cuculipennella. 



5. White ground reduced to scattered spots, the fore wing almost wholly 

 powdery gray and brown; fasciae broken or obscure; scales white- 

 tipped 30. fraxinella. 



2. Palpus smoothly scaled or nearly so. 



3. Reddish, with costal third suffused with yellow. 



4. Darker ground tan color . . 9. flavella. 



4. Darker ground suffused with crimson. 



5. Larger; darker; costal edge with two larger dark dots, hind tarsi con- 

 trastingly darkened at tips of joints 4. sassafrasella. 



5. Smaller; paler; several black points on costa; hind tarsi evenly silver 



gray 10. violacella. 



3. Reddish, with costal edge very narrowly, or not at all, yellow. 



6. elongella. 

 3. Not reddish; gray or brown. 



4. Middle half of costal edge narrowly pale with dark dots. 



5. Pale edge sharply defined below; ground darker and richer brown. 



2. aceriella, 3. juglandiella. 



5. Pale edge shading into the fuscous ground 5. rhoifoliella. 



5. Fuscous gray, more or less violet-iridescent, the costal third faintly 



paler and costal edge striate at middle 8. minimella. 



4. With traces of the two golden triangles; costal edge with dark dots 



23. ostryceella. 

 4. Costal edge concolorous, or nearly so. 

 5. Dark brown, spotted with yellow-brown. 



6. Spots bright ochre and conspicuous, two on costa and two or three 



on fold 7. flavimaculella. 



6. Spots fine, irregular, dull, and scattered 6. elongella. 



5. Dark brown, powdered on a yellow ground, less heavily on costa. 



6. elongella. 

 5. Dark brown, powdered on a yellow ground; base darker. 



28. atomosella. 

 5. Dusted with blackish on a white ground, more or less heavily. 



6. elongella. 

 5. Blackish without noticeable markings 1. strictella. 



Synopsis by foods 



Willow and poplar (moths with a single golden triangle) : 



Light red 20. stigmatella. 



Dark purple 19. purpuriella. 



Myrica: 



Rusty, with yellower costa 9. flavella. 



Walnut: 



A large, golden, costal patch 25. blandclla, 26. juglandivorella. 



A series of yellow costal points 3. juglandiella. 



