152 MANDIBULAT.A. — TRICHOPTERA. 



Sp. 1, tineoides. Fnsca, capite antennis pedibusgue paUidis, alls fuscis, anticis 

 fasciis duabus punctoque apicali albis. (Long. corp. IJ lin. ; Exp. Alar. Sg — 

 3 lin.) 



Hyd. tineoides. Dalman. — Steph. Caial. 317. No. 3579. 



Fuscous : crown white^ forehead and eyes black ; antennae pale, glossy, the 

 apex dusky; thorax griseous, pilose; abdomen pale and shining; wings 

 very pilose, anterior with two parallel, somewhat remote, pale or whitish 

 transverse fasciae, the basal one sometimes interrupted, with an obscure dot 

 of the same hue between them, and a distinct one on the apex : legs pale. 

 Common, from the middle of June till towards the end of August, 



at Hertford. 



Sp. 2. brunneicornis. Nigra, fronte alba, antennis Jlavo-brtmneis apice nigra, 

 alls canescentibus, anticorum marginibus albo nigroque puiictatis. (Long, 

 corp. 1 lin.; Exp. Alar. 2% — 3 lin.) 



Hyd. marginata. Steph. Catal. 317. No. 3580. — Hyd. brunneicornis. Pictet, 

 p. 226. pi. XX. f. 12. 



Black : head with a white spot between the antennae, the latter yellowish- 

 brown, with the tip black ; anterior wings grey-brown, edged with black 

 and dotted, on the margins especially, with white, forming three faint bands 

 of this colour ; posterior wings pale fuscous, or grey. 



Taken, occasionally, near London, in June. 



Sp. 3. sparsa. Fusco-nigra, fronte canescente, antennis pedibusgue fulvis, alis 

 anticis viarginihns albo niveognc punctafis. (Long. corp. 1^ lin.; Exp. Alar. 

 3 lin.) 



Hyd. sparsa. Phil. Mag. {Curtis) v. Iv.p. 217. — Steph. Nomen. 2d edit. Appendix. 



" Fuscous black : antennae and legs fulvous ; head grey ; anterior wings with 

 a silvery white spot on the middle of the costa, another opposite, the margin 

 between this and the base with an interrupted whitish line, and several 

 minute dots of the same colour at the apex." — Curtis, I. c. 



Found in June, near Hertford. 



Sp. 4. Vectis. Fusca, fronte ulbida, alis anticis fascia media angulata punctisque 

 variis ochraceis, ventre pedibusgue argentco viicantibus. (Long. corp. 1| lin.; 

 Exp. Alar. 3|lin.) 



Hyd. Vectis. Phil. Mag. {Curtis) v. iv.p. 217. —Steph. Nomen. 2d edit. col. 118. 



" Fuscous : head whitish or ochreous ; anterior wings with an ochreous spot 

 near the base, an angulated band across the middle, a spot on the cilia at 

 the stigma and seven round, and one at the apex; legs and belly dull 

 silvery." — Curtis, I. c. 



Taken in June, in the south of England. 



