TEPHROCLYSTIS] HYDRIOMENIDAE 197 



40. T. extensaria, Frr. 22-24 mm. Abdomen with fuscous 

 lateral spots. Forewings elongate, light ochreous -brown, 

 whitish-mixed, with indistinct brown angulated striae, on costa 

 black-marked ; third, fourth, and fifth fasciae ochreous-brown, 

 black -marked on veins, third and fifth preceded by white 

 fasciae, median space suffused with whitish ; subterminal line 

 white ; an indistinct blackish discal dot. Hindwings grey, 

 paler towards base, with a whitish postmedian fascia ; cilia 

 conspicuously barred. 



Norfolk, York, on coast sandhills, very local ; EC. Europe, 

 WC. Asia ; 6. Larva green ; subdorsal line whitish ; spiracular 

 white, sometimes edged beneath with pinkish -brown : on 

 Artemisia maritima ; 7-9. 



7. EUCYMATOGE, ffb. 



Face with short cone of scales. Antennae in $ ciliated. 

 Palpi rough-scaled. Abdomen crested throughout, sometimes 

 slightly. Forewings : areole double. Hindwings : 8 anasto- 

 mosing with cell to beyond middle. 



Less numerous than the preceding but more generally 

 distributed, ranging into Australia. Naturally transitional 

 between Hydriomena and T&phroclystis, it closely approaches 

 both. 



1. Forewings with rather large black discal spot 3. togata. 



discal dot small or obsolete . 2. 



2. Lower part of median band darker than upper 4. vitalbata. 

 Median band uniform . . . .3. 



3. Abdomen with black subbasal ring . 5. tersata. 



,, without black ring . . .4. 



4. Hiudwings whitish, with dark grey border 2. scabiosata. 



,, greyish . . .1. subnotata. 



1. E. subnotata, Hb. 21-23 mm. Forewings light ochreous 

 brown, sometimes whitish-mixed, with indistinct curved fuscous 

 striae ; subterminal line slender, whitish ; a small blackish 

 discal dot. Hindwings whitish -grey, with indistinct grey 

 striae, towards tornus ochreous-tinged. 



England to York, Kirkcudbright, rather common ; C. 

 Europe; 7. Larva green or reddish-grey, white-dotted ; a 

 dorsal series of darker green lozenges ; spiracular line yellow : 

 on flowers and seeds of Atriplex and Chenopodium ; 8, 9. 



2. E. scabiosata, Bkh. (subumbrata., Gn.) 19-21 mm. Fore- 

 wings pale grey, whitish -mixed, with curved fuscous striae ; 

 costa suffusedly darker, first four fasciae dark grey towards 



