SALEBRIA] PHYCITIDAE 367 



whitish-edged ; first and second lines obscurely whitish, dark- 

 edged ; two darker transversely placed sometimes confluent 

 discal dots. Hindwings fuscous. 



England to York, local ; N. and C. Europe ; 7. Larva dull 

 black ; dorsal line double, pale yellow or yellowish-white ; some 

 subdorsal white dots ; spiracular pale yellow ; subspiracular 

 white; head black, white - mark ed : beneath a slight web on 

 upper surface of leaves of birch ; 5, 6. 



[*S y . obductella, F.R., has been recorded as British, but its 

 alleged capture is discredited.] 



5. S. palumbella, F. 20-26 mm. Forewings violet -brown, 

 more or less sprinkled with whitish and dark fuscous, suffused 

 with whitish towards costa between lines and on apex ; first 

 and second lines pale red -brownish, internally black -edged, 

 first angulated, preceded by a small spot of blackish raised 

 scales on fold, second twice indented ; a rather oblique black 

 discal mark. Hindwings light fuscous, darker terminally. 



Britain to Kirkcudbright, E. Ireland, common ; C. and S. 

 Europe, N. and WC. Asia to N. India, N. Africa ; 7, 8. Larva 

 dark greenish-grey, reddish-tinged ; dorsal line brownish, pale- 

 edged ; subdorsal double, lighter brownish ; head reddish- 

 brown : in tubular webs on Erica and Polygala ; 9-5. 



5. ALISPA, Z. 



Face with conical projection of scales. Antennae in $ 

 strongly ciliated, with sinuation above base, basal joint with 

 obtuse apical horny projection, suprabasal joint with two short 

 projections. Labial palpi moderately long, arched, ascending, 

 second joint with short dense projecting apical tuft beneath, 

 terminal rather short, densely scaled, tolerably obtuse. Maxil- 

 lary palpi moderate, loosely scaled. Forewings : 4 and 5 

 stalked. Hindwings : cell reaching J, 3 and 4 stalked, 5 

 absent, 7 anastomosing with 8 to middle. 



Only one species is known. Imago with forewings narrow, 

 costa posteriorly rather strongly arched. 



1. A. angustella, Hb. 19-23 mm. Forewings greyish- 

 ochreous, mixed with reddish -ochreous, somewhat sprinkled 

 with ashy-whitish, with a few black scales, tending to form 

 short dashes in disc ; a thick erect bar of blackish raised scales 

 from dorsum before first line, reaching f across wing ; first line 

 faintly paler, obscurely reddish-edged ; second obscure, marked 

 with some short black dashes towards costa : some indistinct 



