172 MANDIBULATA. — TRICHOPTERA. 



Phi. antennatus. Steph. Catal. 318. No. 3612.— Hyd. tenuicornis. Piclet, 

 p. 203. pi. xvii./. 2. 



Head, thorax, and abdomen dusky, or blackish, clothed with a greyish pile ; 

 antennae very long and slender, pale ochreous ; anterior wings hoary-brown, 

 minutely sprinkled with ochreous and black dots, the latter condensed into 

 black spots on the inner margin ; posterior wings dusky-brown, immacu- 

 late ; legs tawny-ochreous, tibiai palest. 



Larva with the head and three anterior segments blackish, the former with 

 three orange spots ; the remaining segments, except the last, which, and its 

 appendages, are ochreous, greyish-green; respiratory organs orange ; legs 

 yellowish 



Not common : found, occasionally,-^ in July, near London. 



Sp. 3. guttata. Capite, thorace abdominc-que nigris, griseo pilosis, alis anticis 

 canescentibus ochraceo nigroque distincte maculatis, posticis alhidis, pedihus 

 fulvis. (Long. corp. 3§ lin.; Exp. Alar. 9 — 10 lin.) 



Phi. bimaculata. Steph. Catal. 318. No. 3611. — Hyd. guttata. Pictet, p. 203. 

 pi. xvii./. 3. 



Head, thorax, and abdomen black, clothed with a greyish pile ; antennsB 

 moderately long, pale tawny ; anterior wings hoary, distinctly spotted with 

 ochreous and black, the latter predominating towards the inner margin ; 

 posterior wings whitish hyaline ; legs tawny ; claws black. 



Larva with the head brown, its sides and round the eyes yellowish, the crown 

 with a black T; the three following segments grey, yellowish on the sides, 

 and edged with black ; abdomen greenish, its apex and respiratory organs 

 whitish j legs yellow. 



Also uncommon : taken, in June, near London. 



Sp. 4. pellucidula. Capite palpis thoraceque nigricantibus, abdomine Lrunnea, 

 antennis ochraceis , fusco punctatis, alis semihyalinis, anticis iiidistiiicte ochraceo 

 fuscoque irroratis, marginihus internis et posticis ochraceo maculatis. (Long. 

 Corp. 6| lin.; Exp, Alar. 13— 15^ lin.) 



Phi. dorsalis. Steph. Catal. 318. No. 3614.— Phi. pellucidulus. Phil. Mag. 

 (Curtis) V. iv. p. 213.— Hyd. Iseta. Pictet, 204. pi. xvii./. 4. 



Palpi dusky ; head and thorax blackish above, clothed with very short greyish 

 hairs ; abdomen brown ; wings semitransparent, anterior very obscurely 

 irrorated with pale fuscous and ochreous, this last colour condensed into 

 roundish spots at the apex of the costa and on the hinder margin, and into 

 elongate ones on the inner margin, forming, when the wings are closed, 

 conspicuous dorsal marks ; posterior wings paler and more transparent ; 

 legs pale ochreous ; antenniB very long and slender, ochreous, with dusky 

 spots. 



Larva robust ; head ochreous, with a blackisli spot in form of a cross ; thoracic 



