ELACHISTA] ELACHISTIDAE 669 



12. E. poae, Stt. 9-11 mm. Head blackish. Forewings 

 blackish, somewhat pale-sprinkled, basal area somewhat lighter ; 

 an obscure fascia before middle, angulated outwards in middle 

 and inwards on fold, a small ill -defined tornal spot, a more 

 distinct one on costa opposite, and traces of an angular mark 

 in disc beyond and connecting these whitish, in $ more 

 distinct. Hindwings dark grey. 



Kent to Dorset and Norfolk, local ; Holland, N. Germany, 

 Finland ; 5, 8. Larva whitish-yellowish ; head and two spots 

 on 2 pale brown : in leaves of Poa aquatica ; 4, 7. 



13. E. perplexella, Stt. (airae, Stt.) 8-9 mm. Head grey, 

 face in $ lighter and submetallic, in $ whitish. Forewings 

 blackish, somewhat pale-sprinkled; a somewhat curved fascia 

 before middle, in $ sometimes obsolete or interrupted, a small 

 indistinct tornal spot, and a larger opposite costal spot whitish, 

 in <j> more distinct. Hindwings rather dark grey. 



Kent, Hereford, York to the Clyde, E. Ireland, local; C. 

 Europe; 5, 7. Larva dull yellowish; dorsal line whitish; 

 head ochreous-brown : in leaves of Aira caespitosa ; 4, 6. 



14. E. subnigrella, Dgl. 7-8 mm. Head dark grey, face 

 lighter. Forewings blackish-grey, light-sprinkled, in $ darker 

 except on basal area ; a slender indistinct fascia before middle, 

 somewhat indented or interrupted on fold, in $ sometimes 

 almost obsolete, a small indistinct tornal spot, and costal spot 

 somewhat beyond it whitish, in <j> whiter and more distinct. 

 Hindwings rather dark grey. 



England to Westmoreland, E. Ireland, local; Holland, 

 Germany, Switzerland ; 5, 6, 8. Larva pale yellow ; head pale 

 brown : in leaves of romus erectus ; 4, 7. 



15. E. stabilella, Fr. 7-8 mm. Head white. Forewings 

 blackish ; an oblique fascia before middle, a tornal spot, and a 

 rather outwardly oblique costal spot opposite white. Hindwings 

 rather dark grey. 



Surrey to Dorset and Cambridge, York, local ; Germany, 

 Switzerland ; 5-7. Larva yellowish ; head and plate of 2 pale 

 brownish : in leaves of Aira caespitosa ; 2-5. 



16. E. nigrella, Hw. (aridella, Hein. ; pullella, HS. ; Greg- 

 soni, Stt.) 7-8 mm. Head dark grey, whitish- sprinkled, face 

 paler or whitish. Forewings blackish, somewhat paler-sprinkled ; 

 an oblique fascia before middle, in <$ indistinct and sometimes 

 interrupted, a tornal spot, and an opposite costal spot (appear- 

 ing together to form a perpendicular interrupted fascia) whitish, 

 in 9 whiter and more distinct. Hindwings grey. 



