1922] Synopsis of Panurgidce 161 



PERDITINA' 



Females. 



Claws simple; clypeus, interrupted basal fascia; on seg- 

 ments 2-3, wings and veins, whitish; border of stigma and of 

 marginal cell fuscous; mp 6, short; Ip 5: 1; 4mm; oligolege of 

 Boltonia asteroides; Sept. 3; holtonice in, Perditella. 



Claws with an inner tooth, 1 . 



1. Veins fuscous; claw tooth subapical; five marks on face, 

 base of mandibles, two spots on collar, tubercles, anterior 

 tibiae in front, middle knees, and oblique basal fasciae on 

 sides of segments 1-4, whitish; mp 6, long; Ip 6: 1; 

 6-7mm; oligolege of Astereae and Heliantheae; Aug. 17- 

 Sept. 20; octomaculata in Perdita. 



Veins black; claw tooth median; mandibles, anterior tibiae 

 in front, and tarsi, yellowish; usually a dot on each side 

 of segment 3, and often on 4; middle tibiae more or less 

 yellowish; mesonotum purplish; metathorax bluish; mp 

 short, joints indistinct; Ip 9: 2; 5-7mm; oligolege of 

 Fhysalis; July 7-Sept. 3; maura in, Zaperdita. 



Males. 



Cheek with a distinct process; subdiscoidal and recurrent vein 

 2 obsolete; mandibles, clypeus, anterior tibiae in front, 

 riiiddle knees and tarsi, whitish; 4-5mm; Aug. 30-Sept. 

 8;hoUoma' in, Perditella. 



Cheek simple; veins ordinary; at least the mandibles, labrum, 

 clypeus, sides of face, scape, flagellum beneath, anterior 

 and middle tibiae in front, front and middle tarsi, and hind 

 knees, j^ellow 1 . 



1. Face of about equal width below; cheeks narrow; coxae 

 trochanters, anterior and middle femora and tibiae in front, 

 and spots on segments 1-4, yellow; hind tarsi dark; 5-()mm; 

 Aug. 13-Sept. 24; octomaculata in, Perdita. 



