14 



ARCTIAD^. 



Genus IDALTJS. „ 



Type. 



Empusa, Hiibn. Verz. p. 170 (1827); nee III. Orth. (1798) admirahilis. 



Jdaluf!, Wlk. iii.645 (185.5) admirabUis. 



Lampruna, Schaus, P. Z. S. 1894, p. 231 rosea. 



Proboscis fully developed ; palpi upturned, not reaching vertex of head, the 

 3rd joint minute ; antennte of male usually biserrate and fasciculate; tibia 

 with the spur^ moderate: abdomen dorsally clothed with rough hair at base. 

 Fore wing with vein 3 from well before angle of cell ; 5 from or from above 

 angle; 6 from upper angle ; 7, 8, 9, 10 stalked, 10 from beyond 7 ; 11 from 

 cell. Hind wing with vein 3 from or from just before angle of cell ; 4 absent ; 

 6, 7 coincident. 



Sect. I. {Lampruna), Antenna of male bipectinate. 



A. Hind wing of male with vein 8 shortly stalked with 7, of female strongly 

 stalked. 



1204. Idalus citraria. 



Idahcs citrarius, Dogn. Le Nat. ser. 2, vol. iii. p. 173 (1889) ; id. Lep. Loja, 

 p. 49, pi. 4. ff. 7, 8 ; Kirby, Cat. Het. p. 198. 



J . Sulphur-vellow ; palpi brown above, white below with some 

 pink at sides ; antennae brown ; patagia edged with pale purplish 



Fig. 4. — Idalus citraria, <^ . \. 



grey and pink above ; tibiae and tarsi irrorated with brown ; 

 abdomen dorsally tinged with pink. Fore wing with a brownish 

 point in end of cell; a purplish-grey fascia in submedian interspace 

 from near base to the postmedial band, which is oblique from costa 

 before apex to the fascia, then bent outwards to tornus ; both the 

 fascia and band are edged with pink and the latter is intersected by 

 the pink veins and is dentate on outer side. Hind wing yellowish 

 white, the inner area tinged with pink. 



5 . Without the purplish and pink edges to patagia ; abdomen 

 without pink on dorsum ; fore wing with brown points in and 

 below middle of cell; the fascia absent, the postmedial band 

 reduced to a series of points ; traces of a subterminal series of points ; 

 hind wing without pink on inner area. 



Hah. EcuADOE, Loja, 1 J , 1 $ • Exp. 50 millim. 



