TEPHROCLYSTis] HYDRIOMENIDAE 195 



whitish, in disc white, with faint bent fuscous striae ; all fasciae 

 forming dark fuscous spots on costa, second, fifth, and sixth suffused 

 with fuscous throughout ; two or three median striae often 

 dai'ker ; a black transverse discal spot. Hindwings wliitish, with 

 grey striae, usually faint except two last ; a blackish discal dot 

 and dorsal subbasal spot. 



S. England to Hereford and Norfolk, local ; C. Europe ; 4, 5. 

 Larva light yellow ; a dorsal series of brown trident-shaped 

 marks on 5-10, and indistinct line ; subdorsal line brown : on 

 oak and blackthorn ; 6. 



34. T. insigniata, Hh. [consignata, Bkh.) 20-22 mm. Thorax 

 brown, with white central stripe. Abdomen dark fuscous. 

 Forewings rather elongate, pale greyish-ochreous, veins partly 

 blackish ; two pairs of blackish-edged whitish sinuate striae 

 limiting median band, second posteriorly ferruginous-edged ; a 

 ferruginous-brown costal blotch before first pair, and another 

 beyond second ; thi-ee brown median striae, ending in a dark 

 fuscous costal suffusion ; a large black discal mark touching 

 this. Hindwings whitisli-grey ; a discal dot and two posterior 

 striae grey. 



S. England to Hereford and Norfolk, local ; C. Europe ; 5, 6. 

 Larva slender, green ; dorsal line slender, purplish-red, enlarged 

 at base of each segment into a spearhead-shaped yellow-edged 

 blotch ; spiracular purple-marked on median segments ; incisions 

 yellowish : on apple and hawthorn ; 6-8. 



35. T. fraxinata, Greive {innotata, Stt.) 17-21 mm. Abdomen 

 with black lateral streak. Forewings elongate, light brownish- 

 grey, with indistinct brown angulated striae, sometimes dark 

 fuscous on costa ; veins before upper half of posterior edge of 

 median band black-marked ; a black discal mark ; a small 

 whitish tornal dot. Hindwings grey-whitish, dorsally and 

 posteriorly with obscure grey striae ; a grey discal dot. 



Britain to the Clyde, local ; Germany ; 6, 7. Larva slender, 

 green, pale yellow-brown, or reddish-purple ; dorsal line pui-ple- 

 red, dark green, or absent, sometimes enlarged into arrowhead- 

 shaped blotches ; subdorsal sometimes yellow or orange or 

 formed of whitish spots ; sometimes a lateral series of purple 

 blotches; spiracular yellow, often purple - marked : on ash; 

 8, 9. 



36. T. innotata, Hufn. 22-23 mm. Differs from T. fraxinata 

 as follows : forewings with striae more distinct, subterminal line 

 distinct, white, interrupted, forming a V-shaped tornal mark. 



Devon to Lincoln, on coast sandhills, local; C. and S. Europe, 



