MU'iiOPTEiiTx] i\lICROPTERVGll)AE 803 



1. Antennae 'j . . . . .2. 



,, ^ 01" less . . . .3. 



2. IJindw ings with liair scales . 5. scinijrnrjnurl/a 



,, with flat scales . S. >^iifij>urjmrell((.. 



3. Dorsal s])ot of forewings white . 7. unimaculella. 



,, ,, ,, ])ale golden . . 4. 



4. Forewings rather short and broad . . 5. 



,, elongate . . . .6. 



5. Forewings very sharply strigulated 1. .yxirmannella. 



„ rather sutl'usedl}' strigulated and veined 



2. salojiiella. 



6. Antennae h ■ ■ • • .7. 



,, less than ^ • • • 3. jmi-jmrella. 



7. Dorsal s[)Ot distinct, reaching half across wing 6. Sangii. 



,, ,, i-ather indistinct, not reaching half 



across wing . . 4. Kalfoi^xichii 



1. M. sparmannella, Bosc. 9-11 mm. Head ])ale grey, some- 

 wliat mixed with dark fuscous. Antennae hardly h- Fore- 

 wings ratlier 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 ochrcous-wdiitish ; 9 

 absent. Ilindwings rather dark grey, towards apex purplish- 

 tinged. 



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

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

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

 leaves of birch ; G, 7. 



2. M. salopiella. Sft. 9-11 mm. Head ochreous-gre^'-whitish, 

 somewhat mixed with dark fuscous. Antennae about i. 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-wdiitish ; 9 aljsent. ' Hindwings grey, posteriorly 

 })urplish-tinged. 



England to Westmoreland, local ; not recognised elsewhere ; 

 4. Larva whitish ; head j)ale brown ; anterior edge of 2 

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

 birch ; 5. 



3. M. purpurella, J/w. (caledoniella, Griffith) 9-11 mm. 

 Head fuscous, somewhat mixed with grev-whitish. Antennae 



