MienovTERYxl MICROPTERYOIDAE 805 



with ochreous- whitish. Antennae ^. Forewings elongate, 

 bronzy-purple, more or less sprinkled with pale shining golden; 

 a narrow slightly curved transverse white dorsal spot before 

 tornus, reaching about half across wing; cilia grey ; 9 present. 

 Ilindwings grey, posteriorly purplish-tinged. 



Britain to Caledonian Canal, E. Ireland, common; N. and 

 C. Europe; 4. Larva whitish; head brown, mouth darker, 

 posterior lobes showing through 2 as blackish spots; with 

 small projections : in blotch in leaves of birch : ">. 



8. M. subpurpurella, Hw. (fastuosella, Z.) 11-14 mm. Head 

 ochreous-grey-whitish mixed with dark fuscous. Antennae -g. 

 Forewings elongate, pale shining golden-bronzy, usually with a 

 few (sometimes more numerous) scattered purple strigulae ; an 

 indistinct obscurely paler dorsal spot before tornus ; cilia grey; 

 9 present. Hindwings brassy-grey, posteriorly purplish-tinged. 



Britain to Caledonian Canal, E. Ireland, very common ; C. 

 and SK. Europe, Asia Minor; 5. Larva whitish; head pale 

 brown : in blotch in leaves of oak ; 6. 



2. EBIOCEPHALA, Curt. 



Mandibles developed. No tongue. Labial palpi obsolete. 

 Posterior tibiae with spurs placed in groups of bristles. Fore- 

 wings : 7 to costa, 1 1 connected 

 by bar with 12, 12 giving rise 

 to an additional vein (13) about 

 middle. Hindwings as forewings, 

 but 13 usually absent. 



Includes about a score of 

 species, inhabiting especially S. 

 Europe, Asia Minor, Syria, and 

 N. Africa. The imagos frequent 

 blossoms (Carex, etc.), feeding 



On pollen. Ovum spherical, Duration of Erwcephala calthella. 



studded with minute erect rods. Larva stout, with legs on 2-4> 

 hooked prolegs on 5-12; antennae well-developed, 4-jointed ; 8 

 rows of subglobose tubercular processes, paired on 4 longitudinal 

 ridges ; a trilobed anal sucker beneath : feeding in wet moss. 

 Pupa in cocoon of silk and refuse. 



1. Head black . . . .3. rHMMuetetta. 



ferruginous . . . .2. 



2. Forewings with transverse fasciae . . 3. 



not fasciated . . . .5. 



