192 NOTODONTINA [tephroolybtih 



reddish, sometimes suffused into dorsal : on Melampyrum 

 pratense ; 7, 8. 



22. T. isogrammaria, US. {haworthiata, Stt.) 14-16 mm. 

 Abdomen towards base suffused with pale reddish. Forewings 

 pale grey, somewhat whitish-mixed, with curved grey striae, 

 fasciae darker. Hindwings as forewings, but markings more 

 indistinct. 



England to Lancashire, Ireland, common ; C. Europe ; 6, 7. 

 Larva rather stout, pink or bluish-green ; dorsal and subdorsal 

 lines darker, sometimes obsolete : on flowers of Clematis vitalba; 

 7, 8. 



23. T. pygmaeata, Mb. 14-16 mm. Abdomen without 

 markings. Forewings fuscous, sometimes whitish-mixed, with 

 faint curved darker striae ; subterminal line formed by whitish 

 dots, sometimes obsolete except a larger tornal white dot; cilia 

 obscurely whitish-barred. Hindwings as forewings, but mark- 

 ings almost obsolete. 



Suffolk, Norfolk, Cambridge, N. England to Caledonian 

 Canal, Ireland, local ; N. Europe, Netherlands ; 5, 6. Larva 

 very slender, pale yellowish-green ; dorsal line and a series of 

 urn-shaped blotches pale olive ; subdorsal and spiracular pale 

 olive : on flowers and seeds of Stellaria hotostea ; 6, 7. 



24. T. tenuiata, Hb. 15-17 mm. Abdomen with margins 

 mixed with black and white. Forewings light greyish-ochreous, 

 with curved rather dark fuscous striae ; veins and costa ochre- 

 ous-brown : edges of median band forming dark costal spots ; a 

 black discal dot. Hindwings whitish-grey, with dark grey 

 striae and discal dot. 



Britain to Ross, Ireland, local ; C. Europe ; 6, 7. Larva 

 rather stout, dull yellowish-green ; sides and middle of back 

 rosy-tinged ; a dorsal series of indistinct fuscous spots, forming 

 a blackish line posteriorly, edged by an interrupted blackish 

 line; a lateral series of oblique flesh-coloured marks; head 

 black : in catkins of Salix caprea ; 3, 4. 



25. T. trisignaria, IIS. 20-23 mm. Abdomen with small 

 indistinct blackish lateral subbasal spot. Forewings fuscous, 

 with indistinct obtusely angulated darker striae ; edges of 

 median band darker-marked, stronger on costa ; a transverse 

 blackish discal spot. Hindwings fuscous, with faint striae ; a 

 dark fuscous linear discal mark. 



England to York, local ; C. Europe ; 6, 7. Larva rather 

 stout, pale green; dorsal and subdorsal lines dark green; spira- 

 cular yellow-whitish ; head black : on Angelica and Ileracleum ; 9. 



