MI.-KOI-TKKYX] .M I C KU | >T I K Y < : 1 1 > A K 803 



1. Antennae ;.; . . . .2. 



,, .', or les> . . . .3. 



'1. Hindwingw with hair-scales . -~>. senripurpurella 



,, with ilat scales . S. nibpwrpwreUa* 



3. Dorsal spot of fore win^-.s white . 7. luiimaculella. 



pale golden . 4. 



4. Forewings rather short and broad . . 5. 



,, elongate . . . .6. 



5. Fort-wings very sharply strigulated 1. */f ////</// /<////. 



rather snfFusedly strigulated and veined 



2. salopiella. 



6. Antennae J .7. 



less than .', . . . 3. y>///y////v/A/. 



7. Dorsal spot distinct, reaching half across wing 6. >SV//f;//Y. 



,, ,, rather indistinct, not reaehing half 



across wing . .1. ]\lt< nlxichii 



1. M. sparmannella, 7?osc. 9-11 mm. Head pale grey, some- 

 what mixed with dark fuscous. Antennae hardly J. Fore- 

 wings rather short and broad, pale shining golden, strongly and 

 sharply strigulated with purple ; a narrow erect dorsal spot of 

 ground colour before tornus, reaching half across wing ; cilia 

 -rev, snmet lines obscurely barred with ochreous - whitish ; 9 

 absent. Hindwings rather dark grey, towards apex purplish- 

 tinged. 



Britain to Sutherland, N. Ireland, local; N. and C. Europe; 

 5. Larva whitish ; head brown, sides blackish ; two marks on 

 2 outlined with brown : in blotch (rectangular when young) in 

 leaves of birch ; 6, 7. 



2. M. salopiella, Stt. 9-11 mm. Head ochreous-grey- whitish, 

 somewhat mixed with dark fuscous. Antennae about J. Fore- 

 wings rather short and broad, pale shining golden, strigulated 

 and sometimes partly suffused with purple, veins posteriorly 

 purple; a well-marked subtriangular dorsal spot of ground- 

 colour before tornus, reaching half across wing; an indistinct 

 pale costal spot beyond this ; cilia purplish-grey, on dorsal spot 

 ochreous- whitish ; 9 absent. Hindwings grey, posteriorly 

 purplish-tinged. 



England to Westmoreland, local; not recognised elsewhere; 

 4. Larva whitish ; head pale brown ; anterior edge of 2 

 brownish : in blotch (elongate-ovate when young) in leaves of 

 birch ; 5. 



3. M. purpurella, Hw, (calcdoniella, Griffith) 9-11 mm. 

 Head fuscous, somewhat mixed with grey-whitish. Antennae 



