SYNOPSIS OF THE BRITISH PHRYGANID^I. 95 



tennae shorter than the head ; wings nearly naked, thinly 

 clothed with very short hairs, the anterior very much dilated 

 towards the apex and obtusely rounded; spurs 1, 3, 3; 

 tibiae with few and short spines. 



Case constructed of fragments of leaves, cut into a round 

 form by the larva and laid upon each other like tiles, rather 

 irregular; the larvae live in shallow, rapidly running water. 



37. Hallesus digitatus, Schrk. ; Pict. ; Steph. 111. 208, 1 ; 



L. radiatus, Curt. Phil. Mag. 125; L. hieroglyphic 

 cus, Curt. Phil. Mag. 125. 



Yellowish-brown ; thorax darker on each side above ; 

 anterior wings yellowish- grey ; all the veins with 

 darker borders ; grey, jagged longitudinal streaks in 

 the cells ; posterior wings hyaline, grey, yellowish at 

 the apex (vide Brauer, N. A. fig. 47). 



Length 8 lin. ; exp. 15 lin. 



Hab. Hertford, Ripley, Devonshire, Carlisle, Scotland, 

 Suffolk, New Forest. Very common in autumn. 



38. H. flavipennis, Steph. 111. 231, 5. 



Ochreous; antennae yellowish-brown; vertex yellowish- 

 red; anterior wings yellowish-grey, slightly clothed 

 with yellow hairs ; posterior margin of the last seg- 

 ment {$) straightly truncated, with a black brush, 

 above which is an oval swelling, with a black brush 

 in front. App. anal. sup. $ small, roundish, yellow. 



Length 4| lin. ; exp. 1\ lin. 



Hab. Devonshire, in June ; rare. 

 When I examined Stephens's types I was unable to find 

 in the app. anal. $ and $ of A. testacea, 111. 231, 3, and 



