Superfamily Argiopoidea 



C. Clypeus red; spatulate spines on tibia of first li 



Occurs in the Southern States and in Colorado P. 



69 1. P. coronatus 



CC. Clypeus not red. P. 692. P. peregrums 



BB. Only first leg fringed or enlarged. P. 689. P. agilis 



AA. Legs not modified nor fringed. 



B. Abdomen with iridescent scales. P. 692. P. splendcns 

 BB. Abdomen without iridescent scales. 



C. Abdomen dark marked with white. P. 690. 



P. borealis 



CC. Abdomen light golden on the back with an encircling 



white band. P. 691. P. hoyi 



KEY TO FEMALES OF PELLENES 



A. Clypeus marked with white and dark bands. P. 689. 



P. agilis 

 AA. Clypeus not banded. 



B. Abdomen plainly banded above. 

 C. Abdomen with at least one transverse band behind the 

 basal band. 

 D. Colour dark gray, banded with light gray or white; 

 occurs in the Northern States. P. 690. 



P. borealis 

 DD. Colour yellowish with whitish bands; occurs in 

 the Southern States and Colorado. P. 691. 



P. coronatus 



CC. Only longitudinal bands behind the basal band on 



the abdomen. 



D. Abdomen with a central light band reaching a light 



basal band. P. 692. P. peregrinus 



DD. Abdomen without a central light band reaching a 



light basal band. P. 692. P. splendens 



BB. Abdomen not plainly banded above. P. 691. P. boyi 



Pellenes agilis (P. ag'i-lis). — In the male, the cephalothorax 

 is covered with short black hairs mixed with others of a yellowish 



brown colour, these latter being more numerous in the eye-region; 

 there is a short, median, white stripe in the e\ e- region, and 

 on each side a white stripe extending the whole length of the 



689 



