156 MANDIBULATA. TRICHOPTERA. 



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

 simple and acute at the apex : legs rather shorty anterior shortest ; tibiw all 

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

 with a second pair below the middle, hinder tibice 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, obscurus, alts anticis fusco-brvimeis, cUiis elongatisi 

 mgricantihus, pedibusfuscis. (Long. carp. 2| lin. ; Exp. Alar. 54 Hn.) 



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



Blact, 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 ochraceo-fuscis pilis palli-. 

 dioribus, pedibusfuscis, 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>.pl. xvi./. 18.— Ag. 



ochripes. Phil. Mag. (Curtis) v. iv. p. 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 ochraceusj alis anticis griseo-- 

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

 Corp. 2^ lin. ; Exp. Alar. 5—5^ lin.) 



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

 pi. xvi./. 19. 



■p?own : he9,d densely clothed with a shining griseous pile ; thorax the same 



