PSECADIA] OECOPHORIDAE 631 



bright -coloured, in a slight web on leaves, usually on Bora- 



gineae ; often occurring rather numerously together. The 

 imagos are retired in habit and less frequently noticed. 



1. Abdomen partly or wholly yellow . . 2. 



,, not yellow . . . .3. 



2. Forewings wholly blackish . .1. pyrausta. 



not wholly blackish . . 4. bipunctella. 



3. Forewings with black terminal blotch . 3. funerella. 



without black terminal blotch . 4. 



4. Forewings with black longitudinal streak 5. pusiella. 



,, without black longitudinal streak 



2. decemyuttella. 



1. P. pyrausta, Pall. 15-20 mm. Palpi moderate. Abdomen 

 black, terminal half orange. Forewings blackish-grey ; a black 

 spot on fold near base ; plical and second discal stigmata rather 

 large, black, Hindwings rather dark grey. 



Sutherland, once only, but would probably be found if looked 

 for ; NW. Russia, N. Asia ; 5. Larva grey, with rows of orange- 

 yellow spots : on Thalictrum aquilegi folium ; 7, 8. 



2. P. decemguttella, lib. 16-21 mm. Palpi long. Forewings 

 grey-whitish ; eleven irregularly placed small black spots, one 

 towards tornus largest. Hindwings grey. 



5. England to Cambridge and Somerset, local ; C. Europe ; 

 6, 7. Larva yellow; dorsal area on 5-12 light grey-blue, 

 dorsal line slender, blackish ; subdorsal series of large black 

 spots ; head black : in a slight web on leaves of Lithospermum 

 offlcinale; 8-10. 



3. P. funerella, F. 15-17 mm. Palpi long. Forewings 

 white ; two spots on costa towards base, two towards dorsmn 

 anteriorly, an irregular median blotch resting on costa, and a 

 terminal blotch black. Hindwings dark fuscous ; in $ a suf- 

 fused white tornal blotch. 



Kent to Berks and Norfolk, York to Cumberland, local ; C. 

 Europe, Asia Minor ; 5, 6. Larva pale yellow ; dorsal series of 

 bright yellow spots ; subdorsal line dark purple-grey ; head pale 

 greyish-ochreous, with black lateral spots : in slight webs be- 

 neath leaves of Symphytum ; 8-10. 



4. P. bipunctella, F. 21-25 mm. Palpi long. Abdomen 

 ochreous-yellow, deeper terminally. Forewings ochreous-grey- 

 whitish ; costal half blackish except at apex, lower edge with 

 three irregular projections and an indentation before third ; a 

 terminal row of blackish dots. Hindwings grey- whitish, to- 

 wards apex greyer, towards tornus pale yellowish. 



