16 NEUROPTERA. 



broad black stripe ; mesothorax shining black ; ab- 

 domen whitish-yellow, dark brown at the base and at 

 the tip ; each of the pale segments has on each side a 

 black hne on the back and on the belly ; anal forceps 

 brown ; caudal filaments dark brown, the joints annu- 

 lated with black ; legs yellowish, the joints and tarsi 

 blackish ; the anterior legs black-brown ; wings as 

 in E. vulgafa, but generally paler, with the transverse 

 veins maro:ined with darker brown, whence thev have 

 a ver}' different appearance. 



Female similar; the abdomen yellow above, with a 

 wavy, black, longitudinal streak on each side ; the tip 

 of the abdomen yellow, with two thick black central 

 stripes on each segment ; the anterior legs and wings 

 are paler than in the male. 



Length of the body <J 7, 2 8| lines ; expansion of the 

 wings ^ 15, $ 20| Hues ; setae $ 17, S 12 lines. 



Sub-imago similar to the imago, but with the same 

 differences as in E. vulgata. 



Habitat near London, common. 

 This description is made from English specimens. 



3. E. GLAUCOPS, Pictet, Ephem. 132, 3, tab. 8, f. 1—3. 



Imago. Pale fawn-colour ; prothorax with two lateral 

 brown spots ; mesothorax with red streaks ; abdomen 

 with black streaks ; eyes blue ; wings hyaHne, with 

 brownish margins, the hind wings rather darker; 

 venation pale brown, the second longitudinal vein 

 darker ; spots as in E. Danica, but paler ; legs 

 yellow ; caudal filaments yellow, with black annula- 

 tions. 



The female is paler. 



Length of the body ^ 8, ? 7| lines; expansion of the 

 wings ^ 14, ? 15 lines; setae ^ 8, ? 6| lines. 



