TRICHOPTERYX] HYDRIOMENIDAE 181 



short. Forewings grey-whitish, sprinkled with blackish-grey, 

 with faint w r aved striae ; fasciae partially marked with blackish- 

 grey, third and fourth sometimes suffused with dark grey; a 

 blackish discal mark. Hindwings whitish, with several faint 

 grey lines ; a grey discal dot. 



Britain to Caledonian Canal, common ; N. and C. Europe, 

 N. Asia, Japan ; 4, 5. Larva dull green ; dorsal and subdorsal 

 lines darker, indistinct; spiracular bright yellow; 13 with two 

 points : on Lonicera, Salix, etc. ; 6-8. 



3. T. polycommata, Hb. 30-33 mm. Palpi rather short. 

 Forewings pale greyish-ochreous, striated with fuscous; first, 

 third, and fourth fasciae ochreous-brown, marked with black 

 on veins, fourth sharply angulated near costa, median space 

 fuscous in disc; subterminal line distinct, margins brown. 

 Hindwings pale ochreous-grey ; a grey discal dot and faint 

 posterior line. 



England (except EC.), Arran, local ; C. Europe, NW. Asia ; 

 4. Larva y ellowish- green ; dorsal line darker; spiracular 

 yellowish-white; incisions yellowish; 13 with two points: on 

 ash, Liyustrum, Salix, etc. ; 6. 



2. MYSTICOPTERA, Meyr. 



Face with short cone of scales. Antennae in $ minutely 

 ciliated. Palpi rough-scaled. Abdomen crested. Forewings : 

 areole simple. Hindwings in $ with dorsal doubly folded 

 lobe ; 2 in $ absent, 8 in <$ connected with cell by bar 

 beyond middle, in $ anastomosing to beyond middle. 



Only the single species is known. 



1. M. sexalisata, Hb. 20-23 mm. Forewings whitish-fuscous 

 or whitish, striated with ochreous; all fasciae fuscous, first 

 basal, third and fourth confluent, angularly curved, darker 

 towards costa ; subterminal line distinct, waved ; a black discal 

 dot. Hindwings grey ; a darker discal dot. 



England, local ; N. and C. Europe ; 6. Larva wrinkled, 

 green; dorsal and subdorsal lines whitish, indistinct; 13 with 

 two pink-tipped points : on Salix ; 8, 9. 



3. LOBOPHORA, Curt. 



Face with short cone of scales. Antennae in $ ciliated. 

 Palpi rough -scaled. Abdomen crested. Forewings: areole 

 double. Hindwings in <$ with dorsal folded lobe, veins dis- 

 torted ; 6 and 7 sometimes separate, 8 anastomosing with cell 

 to beyond middle. 



