462 NOCTUTD.Ti:. 



brown, the cilia white at tips ; the underside whitish suffused with 

 rufous, a discoidal spot and curved postmedial line with slight dark 

 streaks at the veins. 



Ilah. Britain, Forres (Sahar/e), England, Leech Col). ; France, 

 Sand Coll. ; Germany, Zeller, Frey, and Leech Colls. ; Switzerland ; 

 Spain, Catalonia ; N. Italy ; S.W. IIussia ; Japan (Pryer), 1 $ . 

 Kvp. 32-42 millim. 



Larva. Meyr. Brit. Lep. p. TG ; Earrett, Lep. Brit. v. p. 183, pi. 200. f. 2. 



Varying from deep green to pale brown with scattered black 

 dots ; dorsal lino Avhite ; subdorsal line white, sometimes double, 

 black-edged ; spiracular line white, edged below with orange or 

 yellow ; head brownish. Food-plant, Finns sylvestris. 6-7. 



Genus CERAPTERYX. 



Type. 



Cerapteryx, Curt. Brit. Ent. v. p. 451 (1833) gmminis. 



Proboscis fully developed ; palpi short, oblique, the 2nd joint fringed with 

 hair in front ; irons smooth ; antennse of male bipectinate, with moderate 

 branches to apex ; head and thorax clothed with hair only and without distinct 

 crests • abdomen with dorsal crest on basal segment and lateral tufts of hair. 

 Fore wino' short, the apex truncate, the termen obliquely curved; veins 3 and 

 6 from near angle of cell ; fi from upper anglo ; 9 from 10 anastomosing with 

 8 to form the areole ; 11 from cell. Hind wing with veins 3, 4 from angle 

 of cell; 5 obsolescent from middle of discocellulars ; 6, 7 from upper angle ; 

 8 anastomosing with the cell near base only. 



A. Head and tegula; reddish or olive-brown graminis. 



B. Head and tegula3 white albiceps. 



1808. Cerapteryx graminis. 



Bombyx gi-aviinis, Linn. Syst. Nat. x. p. 506 (1758) ; Esp. Schmett. pi. 68. 



f. 1 : Hiibn.Eur. Schmett. ff. 480, 481 ; Dup. Lep. Fr. vi. p. 195, pi. 85. 



f. 4; Stand. Cat. Lep. pal. p. 1^4. 

 Bomhyx tricvs^pis, Esp. Schmett. Eur. iii. p. 348. pi. 68. ff. 2, 3 (1788). 

 Cerapteryx hiherninii^, Curt. Brit. Ent. v. pi. 451 (18.'33). 

 Heliophohus albineura, Boisd. Icones, pi. 74. f. 4 (1841). 

 Charesas megala, Alph. Hor. Soc. Ent. Ross. xvii. p. 64, pi. 3. f. 55 (1882) 



Head and thorax reddish or olive-brown ; abdomen brown. Fore 



Fig. IM.-- Cerapteryx graminis, J. J-. 



wing reddish or olive-brown, the median nervure, and the subcostal 

 and submedian uervures slightly, streaked with white, difi'used 

 blackish streaks below base of costa, cell, and vein 1 ; the ante- 

 and postmedial lines only defined by the medial area being suffused 

 with brown or black from subcostal nervure to vein 1, the former 



