mtltociiiusta] 



AlKTIADAE 



31 



rosy ; costal edge black towards base ; a black subbasal dot ; 

 lines fine, blackish, obsolete on dorsum, first angulated above 

 middle, secoud very acutely angu- 

 lated near costa, very strongly 

 dentate in disc ; a black discal 

 dot; a subtcrminal series of black 

 dots. Hindwings pale. rosy, termen 

 darker. 



England to York, in woods, com- 

 mon ; N. and C. Europe, WC. and 

 N. Asia ; 7. Larva deep greyish- 

 ochrcous, hairs blackish - grey : on 

 lichens ; 8-5. 



2. M. senex, lib. 20-22 mm. 

 Head and thorax pale greyish-oehrc- 

 ous, face fuscous. Eorewings light 

 grcyish-ochreous ; a blackish sub- 

 basal dot ; first and second lines 

 formed of blackish dots ; a cloudy 

 dark grey median line sometimes 

 visible on margins ; a large blackish discal dot ; an apical 

 fuscous suffusion. Hindwings pale grcyish-ochreous, posteriorly 

 fuscous-sprinkled ; a dark grey crescentic discal mark. 



England to York, in marshy places, local ; N. and NC. 

 Europe ; 7, 8. Larva deep reddish-grey, hairs brownish ; head 

 black : on lichens ; 8-5. 



7. Nudaria, Hw. 



Head densely rough-haired. Ocelli absent. Antennae in 

 $ evenly ciliated, basal joint rough-haired anteriorly. Palpi 

 rather short, subascending, rough-scaled. Thoi'ax smooth 

 beneath. Abdomen hairy. Tibiae smooth-scaled. Forcwings : 

 6 and 8 out of 9, 7 absent. Hindwings: 4 and 5 rather ap- 

 proximated, 6 and 7 stalked, 8 from middle of cell. 



It is doubtful whether any other species can be referred to 

 this genus, which is correlated with Uraba. Larva with tufts 

 of long fine hairs. 



1. N. mundana, L. 19-22 mm. Head and thorax fuscous- 

 whitish. Forewings very pale grcyish-ochreous, transparent; 

 costal edge fuscous near base ; a fuscous subbasal dot ; lines 

 fuscous, irregular, first angulated in middle, second angulated 

 above middle ; a dark fuscous discal dot ; a faint cloudy pale 



