2. Genus E modes Wallengren 



Full-grown larva. Length 4.0— 4. 5 mm. Head and pronotum brownish; 

 pronotum with rounded anterior -angle processes and a transverse ridge. 

 Mid- and hind femora less thin than in B e r a e a, of more normal form; 

 hind legs with much less numerous secondary setae than midlegs. Gills 

 absent. 



Area "b" of anal legs with a long, thick seta situated on apex of a high, 

 narrow, conical support posteriorly; another large, dark seta at base of 

 support and a smaller seta at apex. Claw with a dorsal denticle at end. 



Mode of life and habitats. Near springs outside water, among 

 humid plants or detritus. 



Distribution. Western border area of European USSR, Caucasus. 

 In addition, Europe. 



Key to Species 



Full-grown larva 



1 (2) 



2 (1) 



Support near large posterior margin seta of sclerite b ' of anal leg 

 leg less than 1/4 of length of seta; Caucasus 1. E. palpata Mart. (p. 657] 

 Support near large posterior margin seta of sclerite "b" of anal 

 leg very large, more than 1/4 of length of seta; western part of 

 European USSR, Europe 2. E. articularis Pict. (p. 658^ 



1. Ernodes palpata Martynov 



Martynov, 1926:36-37, Figures 31-33. 



Full-grown larva. Length 4—5 mm. Head brownish, yellowish areas near 

 eyes, posteriorly and ventrally. Pronotum with anterior -angle processes; 

 area anterior to ridge dark, posterior and lateral parts yellow. Mesonotum 

 with an indistinct, light sclerite only in anterior part and with numerous, 

 small setae on the surface. Metanotum membranous (Figure 843). 

 According to Martynov (l 926: 36), fore- and midlegs with long anterior 

 and posterior setae, hind legs much longer, mid and hind femora convex 

 dorsally and wider distally, in contrast to B eraea; tibiae and tarsi without 

 secondary setae. 



8^4 



FIGURES 843 and 844. Ernodes pa Ipat a Man. (after Martynov); 



843 -head and thorax, lateral; 844 - posterior end of body, dorsal (A), lateral 

 (B),part of claw (C). 



657 



