mi. i;..iii.i:v.xJ MICROl'TKKYGIDAK 803 



1. Antennae % 2. 



,, | or less . . . .3. 



2. Hindwings with hair-scales . 5. semipwrpwella 



,, with flat scales . 8. sulijiurpurdla. 



3. Dorsal spot of forewings white . 7. unimaculdla. 



„ „ „ pale golden . . 4. 



•1. Forewings rather short and broad . . 5. 



„ elongate . . . .6. 



5. Forewings very sharply strigulated 1. spa/rma/nnella. 



„ rather suffusedly strigulated and veined 



2. salopiella. 



6. Antennae \ ■ • • ■ .7. 



„ less than \ . . . 3. pwpwrella,. 



7. Dorsal spot distinct, reaching half across wiug 6. Sangii. 



,, ,, rather indistinct, not reaching half 



across wing . .4. Kaltenbachii 



1. M. sparmannella, Bosc. 9-11 mm. Mead palegrey, some- 

 what mixed with dark fuscous. Antennae hardly A. 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 

 grey, sometimes obscurely barred with oehrcous- whitish ; 9 

 absent. Hindwings rather dark grey, towards apex purplish- 

 tinged. 



Britain to Sutherland, N. Ireland, local ; N. and ( !. Europe] 

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

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

 leaves of birch ; (>, 7. 



2. M. salopiella. Stt 9-1 1 mm. Head ochreous grey-whitish, 

 somewhat mixed with darls fuscous. Antennae about A. 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- whit ish ; 9 absent. Hindwings grey, posteriorly 

 purplish-tinged. 



England to Westmoreland, local; not recognised elsewhere; 

 I. 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. (cakdoniella, Griffith) 9-11 mm. 

 Head fuscous, somewhat mixed with grey-whitish. Antennae 



