280 NOTODONTINA [OURAPTEKYX 



with a red black-edged subterminal spot above tail, and a black 

 mark below it. 



Britain to Dumfries, N. Ireland, rather common ; C. Europe, 

 WC. and N. Asia ; 7. Larva pale brown, streaked with paler 

 and darker; 7 with two prominences, 9 with one ; 13 with two 

 slender projections : on elder, hawthorn, etc. ; 9-5. 



20. METROCAMPA, Latr. 



Face smooth or with projecting scales. Tongue developed. 

 Antennae in <$ bipectinated, apex (sometimes only 2-3 joints) 

 simple. Palpi rough-scaled. Thorax hairy beneath. Femora 

 glabrous ; posterior tibiae in $ sometimes dilated. Forewings 

 in without fovea ; 10 out of 9, occasionally obsolete at base and 

 then apparently out of 11, 11 anastomosing or connected with 

 12 and nearly always with 10 also. 



A genus of some extent, ranging throughout the Northern 

 hemisphere but commonest in America. 



1. Fillet white . . . . .2. 



not white . . . . .3. 



2. Termen of hindwings dentate . 2. margaritaria. 



not dentate . 1. prosapiaria. 



3. First line of forewings denned . . 3. pulveraria. 



obsolete . . 4. dolobraria. 



1. M. prosapiaria, L. (fasciaria, Schiff. ; prasinaria, Hb.) 

 28-36 mm. Face dull brown-red, fillet white. Forewings pale 

 dull reddish, sometimes dull green except costal edge ; first line 

 curved, second sinuate, whitish ; included band slightly darker. 

 Hindwings as forewings, but first line absent, second slightly 

 curved ; termen rounded. 



Britain to Ross, Ireland, rather common ; N. and C. Europe, 

 N. Asia ; 6, 7. Larva with prolegs on 9 ; purplish-brown ; a con- 

 nected dorsal series of brown-reddish blotches, pale-edged ; rows 

 of small reddish tubercles : on Pinus sylvestris and larch \ 9-4. 



2. M. margaritaria, L. 36-48 mm. Head white, face 

 ferruginous. Forewings pale whitish-green, costal edge white ; 

 first and second lines nearly straight, white, edged with dull 

 green on discal side ; a dull red apical dot in cilia. Hindwings 

 as in forewings, but no first line or apical dot ; termen dentate 

 in middle. 



Britain to Ross, W. Ireland, common ; C. Europe, N. 

 America ; 7. Larva with prolegs on 9 ; ashy-grey, or brownish- 

 grey, sides ciliated ; 8, 9 sometimes with pale blotch : on oak, 

 beech, birch, etc. ; 9-5. 



