368 



2 (l). Indentation of anterior margin of frontoclypeus small or absent; 



coxa of forelegs of different form. 



3 (4). Larvae medium-sized, 14—15 mm long; outer margin of mandibles 



not straight, crenulated; trochantin of prothorax with a short distal 



process; Caucasus and Asian parts of the USSR 



3. Dolophilodes Ulm. (p. 419) 



4 (3). Larvae small (8—13 mm) or longer (20— 22 mm); outer margin of 



mandibles straight; trochantin of prothorax with a longer horn- 

 shaped process; Caucasus and European USSR. 



5 (6). Length 8—13 mm; anterior margin of frontoclypeus without 



indentation, symmetrically rounded; median margin of left mandible 

 slightly concave; outer setae of mandibles situated close together at 

 the base; apical seta curved 1. Wormaldia McL. (p. 410) 



6 (5). Larvae large, 20—22 mm long; anterior margin of frontoclypeus with 



a shallow asymmetrical indentation; blades of mandibles almost 

 straight or slightly curved; outer setae of mandibles more widely 

 separated 2. Philopotamus Steph. (p. 417] 



Pupa 



1 (2). Mandibles with a large subapical, divided tooth; number of spurs 



1, 4, 4; presegmental plates of holding apparatus present on 

 segments 3—8 4. Chimarra Steph. (p. 421) 



2 (l). Mandibles with 3 subapical teeth in addition to the apical tooth; 



number of spurs 2, 4,4; presegmental plates present on 

 segments 3—7. 



3 (4). Length 5— 8 mm. Presegmental plates of abdominal segment 6 with 



a large curved, pointed hook; walls of case loose, with a covering 



of sand grains; length of case 8—13 mm 



1. Wormaldia McL. (p. 410) 



4 (3). Length 11 — 14 mm; presegmental plates of abdominal segment 6 with 



6—9 hooks; case oblong-elliptical, 19— 20 mm long; walls of case 

 consisting of small stones 2. Philopotamus Steph. (p. 417) 



1. Genus Wormaldia McLachlan 



Full-grown larva. Larvae small, at beginning of last stage about 8 mm 

 long, at end of stage about 10—13 mm. Head yellow or reddish yellow, with 

 indistinct dark spots. Anterior margin of frontoclypeus rounded and 

 symmetrical. Inner margin of mandibles concave distally, convex in the 

 middle; outer setae almost equally long, situated close together; anterior 

 seta curved, recumbent. Pronotum and head light, with indistinct dots. 

 Trochantin with a fingerlike process. Legs light and without dots; basal 

 part of claws of legs distinctly shorter than apical part; forelegs slightly 

 thicker and darker than the others. Abdominal segments (except segment 9) 

 almost uniformly broad; sclerite of anal legs with indistinct dots. 



410 



