12 NEUROPTERA. 



Male, app. sup. and inf. of equal length, straight, curved 



at the tips. 

 Length 3 lin. ; exp. 5J lin. 

 Hab. NeaV Ripley in June, London. 



103. P. ciLiARis, Steph. 111. 160, 4 ( ^ ) ; A. gracilipes, 

 Steph. 111. 159, 2 ( ? ) ; IP. unicolor, Steph. 111. 

 176, 4. 

 Ochre-yellow ; head and thorax with a dense brownish 

 yellow pubescence ; antennae robust, annulated with 

 dark brown; legs fawn-coloured; wings narrow, 

 acute, yellow, with long fringes ; anterior wings with 

 a brownish yellow pubescence. 

 Male, app. sup. long, straight, curved at the tips ; app. 



inf. wanting. 

 Length 2| — 3 lin. ; exp. 4^ — 5J lin. 

 Mab. Hertford, June. 

 Obs, The species of this genus are but very imperfectly 

 known, and require an accurate investigation of living ex- 

 amples ; what I can offer respecting them is very incomplete ; 

 England probably possesses more species, but it appears to 

 me that those given above are correctly separated. 



1 1 Mesothorax without knob-like protuber- 

 ances ; ANTENNA LONG, SLENDER. 



Genus Hydropsyche, Pictet. 

 Antennae long, slender, the basal joint stouter ; head large, 

 destitute of ocelli ; maxillary palpi very long, the first joint 

 very short, the second long, the third and fourth a trifle 

 shorter, the fifth longest, thong-shaped ; thorax smooth, 

 without knob-Hke protuberances; anterior wings dilated at 

 the apex and obliquely truncate; posterior wings con- 

 spicuously shorter; before the apex two, behind it three 



