210 NOTODONTINA [HYDRIOMENA 



small basal patch, edge straight, oblique ; median band with 

 posterior edge obtusely angulated above middle ; a star-shaped 

 blackish discal spot ; some imperfect leaden-grey striae before 

 median band, and towards costa beyond it ; a small black prae- 

 subterminal spot above middle ; a pale brownish-ochreous ter- 

 minal suffusion, except towards apex. Hind wings ochreous- 

 white ; a dark grey discal dot ; terra en narrowly pale brownish. 



Britain to the Orkneys, Ireland, common; Europe, W. Asia; 

 6. Larva brownish-ochreous, marked with reddish -ochreous; 

 dorsal line reddish -ochreous, traversing white reddish-mar- 

 gined Y-shaped marks on 5-9; spiracular white, reddish -edged 

 above : on Galiwrn ; 7, 8. 



2. H. simulata, Hb. (coniferata, Stt.) 21-22 mm. Forewings 

 brown, faintly reddish -tinged ; basal patch darker, edge dark 

 fuscous, hardly bent; median band darker, black-marked on 

 veins, edges dark fuscous, whitish-margined, anterior nearly 

 straight, posterior with rounded projection above middle ; a 

 blackish discal dot ; subterminal line obscurely white ; a 

 blackish subapical and short apical mark. Hind wings pale 

 fuscous. 



Sussex, Hants, Bucks, N. England, Scotland to the Orkneys, 

 Ireland, rather common ; N. and mountains of C. Europe ; 5, 8. 

 Larva rather stout, pale blue-green ; dorsal and subdorsal lines 

 green ; lateral white ; spiracular dark green, brown-edged be- 

 neath ; subspiracular pale yellowish : on Juniperus ; 3, 4, 6, 7. 



3. H. variata, Schiff. (obeliscata, Hb.) 22-29 mm. Fore- 

 wings light ochreous-brown, sprinkled with dark fuscous ; basal 

 patch ochreous-brown, edge waved, right-angled above middle ; 

 median band ochreous-brown or dark fuscous, black-marked on 

 veins, edges dark fuscous, sometimes whitish-margined, anterior 

 angulated in middle, posterior waved, right-angled above middle; 

 a black discal mark ; subterminal line obscurely whitish ; a 

 cloudy darker apical dash. Hindwings pale fuscous, ochreous- 

 tinged ; a darker discal dot ; sometimes a curved postmedian 

 line. 



Britain to the Hebrides, Ireland, common ; N. and C. Europe, 

 N. Asia ; 6, 8. Larva blue -green ; dorsal line darker, pale- 

 edged ; subdorsal yellowish -white, posteriorly yellow ; sub- 

 spiracular yellowish - whi te ; 13 with two points: on Pinus 

 sylvestris and P. abies ; 3-5, 7. 



4. H. juniperata, L. 23-26 mm. Forewings whitish-fuscous, 

 sprinkled with darker fuscous ; basal patch darker, edge blackish, 

 waved, right-angled above middle ; median band darker, blackish- 



