HARPELLA] OECOPHORIDAE 633 



| bright yellow ; a streak along basal J of costa, a straight 

 transverse streak bounding the yellow basal area, and a trans- 

 verse mark in disc at deep purple. Hindwings dark fuscous. 

 Monmouth, Durham, very local ; C. Europe, Asia Minor ; 6, 

 7. Larva grey ; head pale brown ; plate of 2 blackish, bisected : 

 in decayed wood ; 2-4. 



13. OECOPHORA, Latr. 



Tongue developed. Antennae -f, thickened above with rough 

 scales on basal half, in ^ fasciculate-ciliated (1J), basal joint 

 without pecten. Labial palpi long, second joint with appressed 

 scales, terminal shorter. Forewings : 7 to costa. Hindwings 

 1, elongate-ovate, cilia f ; 3 and 4 connate or stalked. 



Includes only a few species, attached to the European 

 region. Imago with forewings elongate, apex rounded, termen 

 very oblique. Larva in decayed wood. The species fly actively 

 in the sunshine ; in repose the antennae are usually porrected. 



Hindwings yellow . . . .2. sulphurella. 



,, not yellow . . . 1. oliviella. 



1. 0. oliviella, F. 14-17 mm. Forewings purple-blackish, 

 posterior half thinly strewn with yellow-whitish scales ; a large 

 triangular spot touching base, and a fascia before middle pale 

 yellow ; a streak above basal spot, a slender transverse fascia 

 beyond it, and a curved transverse streak beyond middle not 

 reaching dorsum purplish -lead en -metallic. Hindwings dark 

 fuscous. 



Kent to Hants and Essex, local; C. and S. Europe, Asia 

 Minor; 6, 7. Larva in decayed wood of oaks; 12-4. 



2. 0. sulphurella, F. 12-16 mm. Forewings bronzy-brown, 

 thickly strewn with ochreous-yellow scales; veins from base to 

 beyond middle marked with bright iridescent -metallic lines; a 

 yellow subcostal streak from base to middle ; a triangular 

 yellow spot before tornus, and a smaller whitish-yellow costal 

 spot beyond this; a pale golden -metallic spot between these. 

 Hindwings ochreous-yellow, irregularly margined with dark 

 fuscous except on lower half of termen. 



Britain to the Clyde, Ireland, common; C. and S. Europe, 

 Asia Minor; 5, 6. Larva grey - whitish ; dots blackish; head 

 and plate of 2 reddish-brown : in decayed wood ; 1 2-3. 



14. ACOMPSIA, lib. 

 Tongue developed. Antennae f, in $ ciliated (1-2), basal 



