156 MANDIBULATA. — TRICHOPTERA. 



middle beneath, and a smaller and similar process behind it ; of the female 

 simple and acute at the apex : legs rather short, anterior shortest ; tihicB all 

 armed with a pair of spurs at the apex, the intermediate and posterior ones 

 with a second pair below the middle, hinder tibias ciliated on the outer edge ; 

 apex of the middle pair and basal joint of the tarsi dilated in the females. 



The insects of this genus are small ; they have the anterior wings 

 short, rounded, and rather broad in proportion to their length ; the 

 antennae are very robust, especially at the base, and diverge from 

 each other : the males are remarkable from having an incurved spine- 

 like process beneath the middle of the abdomen, and the females 

 have the base of the intermediate tarsi dilated. 



Sp. 1. funereus. Niger, olscurus, alls aniicis fusco-brunneis, ciliis elongatis 

 nigricantibus, pedibusfuscis. (Long. corp. 2\ lin. ; Exp. Alar. 54 lin.) 



Ph. funerea. Olivier ? — Steph. Catal. 317. No. 3583. 



Black, obscure : head slightly clothed with a brown-black pile ; anterior 

 wings dusky-brown, with a clothing of fine golden hairs, and with long 

 dusky cilia ; posterior wings fuscescent, and slightly iridescent ; legs 

 fuscous. 



Taken occasionally near London, and in Devonshire, in June. 



Sp. 2. fuscipes. Niger, supra tomentosus, alis anticis ockraceo-fuscis pilis palli' 

 dioribus, pedibus Juscis, ochraceo maculatis. (Long. corp. 2\ lin.; Exp. Alar. 

 5 lin.) 



N. G. (552) fuliginosa. Steph. Catal. 317. No. 3586.— Ag. fuscipes. Phil. 

 Mag. (Curtis) v. iv. p. 217 $ .— Rh. lanata. Pictet, 194. pi. xvi./. 18.— Ag. 

 ochripes. Phil. Mag. (Curtis) v. iv. jo. 217 9 . 



Black, clothed above, especially on the head and thorax, with a shining 

 griseous pile ; anterior wings griseous, with ochreous hairs, the posterior 

 iridescent, with the apex griseous, the nervures of all dusky ; legs fuscous, 

 with the trochanters, the knees, and the middle of the hinder tarsi ochreous. 

 Female with the legs pale ochreous, and the basal joints of the intermediate 

 tarsi dilated. 



Found, not uncommonly, at Ripley, in June ; also in Devonshire 

 and in the New Forest. 



Sp. 3. laniger. Brunneus, tomentosus, subtus ochraceus, alis anticis griseo- 

 ochraceis, pilis pallidioribus, pedibus ochraceis, anticis nigricantibus. (Long, 

 corp. 2i lin, ; Exp. Alar. 5 — 5§ lin.) 



N.G. (552). opaca. Steph. Catal. 317. No. 3584.— Rh. lanigera. Pictet, 195. 

 pi. xvi./. 19. 



Brown : head densely clothed with a shining griseous pile ; thorax the same 



