20% 
als 
PAS 
6 
Head paler (mottled appearance), area along adfrontal suture 
pale but not white; seta 0z posterior to a line joining setae 
Lj and Op (A). 

Canal Zone, Cuba, and Mexico, 
Hosts: Mustard and white chard, 
Hellula phidilealis (Walk.) 
Prothoracic shield with a dark fuscous reniform spot posterior 
to seta Ib (A); plates at bases of body setae weakly sclerotized, 
palLenandsiconcovorous wath “the: OGY sc. ciccecciiciccceeioceoccececece. Cl 

Prothoracic shield without a dark reniform spot posterior to 
seta Ib; plates at bases of body setae moderately or heavily 
sclerotized, brown or black @eeeev oe eee eveeeceeosee ee Geeeeeo2Ge02 88 Ge 22 
Prespiracular shield ovate (A); distance between Adf, and Fy 
greater than that between Adf, and Adfo (B). 

Canada, Bermuda, Mexico, and Puerto Rico, 
Hosts: Celery, cut flowers, beans, lettuce, and spinach, 
Udea rubigalis (Guen.) 
