72 CARADRININA [LEUCANIA 



with grey, beneath with brown ; lateral and subspiracular pale 

 ochreous ; spiracular grey ; head brown-marked : on grasses : 

 9-5. 



14. MONIMA, Hb. 



Head rough -haired ; eyes hairy. Antennae in bipecti- 

 nated or acutely bidentate, towards apex simple, basal joint 

 with hairtuft. Thorax without distinct crest. Abdomen not 

 crested. 



A genus of rather few species, occurring throughout the 

 temperate regions of the northern hemisphere, more commonly 

 in America. The imagos all appear in early spring. 



1. Antennae in <$ bidentate . . . .2. 



bipectinated . . .4. 



2. Hindwings with postmedian series of elongate dots 



3. gracilis. 

 without series of dots . . .3. 



3. Lower half of reniform blackish . . 1. incerta. 



not blackish . 2. opima. 



4. Discal cell black round orbicular . . 9. gothica. 



not black . . , .5. 



5. Hindwings white . . . .6. miniosa. 



not white . . . .6. 



6. Sub terminal line conspicuously pale . .7. 



,, hardly paler . . .8. 



7. Sub terminal line preceded by two small dark marks 



5. populeti. 

 not preceded by two dark marks 



4. stabilis. 



8. Subterminal line preceded by two black spots 8. munda. 



not preceded by two black spots 



7. pulverulenta. 



1. M. incerta, Hufn. (instdbilis, Esp.) 34-37 mm. Antennae 

 in $ bidentate. Forewings dark purplish -grey, sometimes 

 much mixed with light grey or suffused with ferruginous- 

 brown ; first and second lines usually indistinct, median shade 

 darker ; orbicular and reniform finely outlined with pale, reni- 

 form with lower half blackish ; subterminal line grey-whitish, 

 slightly irregular. Hindwings whitish-grey or grey, darker 

 posteriorly ; a darker discal crescent. 



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

 N. Asia ; 4. Larva green, with numerous yellowish or whitish 

 dots ; dorsal and spiracular lines pale yellow or whitish ; sub- 



