LEPIDOPTERA HETEROCERA. 1557 



Genus DECETIA, C. L. H. xx. 232. 



Decetta perdensata. 

 Noreia perdensata, C. L. H. xxiv. 1092. 



Decetia unilineata. 



Mas. Murina ; palpi breves, oblique ascendenies, articulo 3o 

 minimo ; antennae pubescentes ; pedes graciles ; ala lineafer- 

 ruginea recta obliqua ; anticce linea fusca basali gracili in- 

 distincta subarcuata, puncto nigricante. 



Male. Mouse-colour, slender. Palpi obliquely ascending, not 

 rising so high as the vertex ; third joint extremely short. Antenna? 

 minutely pubescent. Abdomen shorter than the interior border of 

 the hind wings ; apical tuft very small. Legs slender. Wings 

 ample, with a straight ferruginous line, which extends from near the 

 tip of the fore wing to a little beyond half the length of the interior 

 border of the hind wing. Fore wings acute, with a slender indistinct 

 slightly outward-curved brown line near the base, and with a 

 blackish point in the disk ; exterior border straight, rather oblique. 

 Length of the body 6—8 lines ; of the wings 17—22 lines. 



Sumatra. Celebes. In Mr. Saunders' collection. 



Decetia posticata. 



Fcem. Pallide murina ; caput ochraceum ; palpi ochracei, gra- 

 ciles, articulo 2o porrecto, 3o lineari subdecumbente 2o non 

 breviore dimidio apicali nigricante ; pedes graciles, brevius- 

 culi ; alee latce, lineis tribus rectis obliquis pallide fuscis, 3a 

 cinerea pallido mar ginata, fimbria basi pallide cinerea. 



Female. Pale mouse-colour, slender, paler beneath. Head 

 and palpi ochraceous. Palpi slender, shorter than the breadth of 

 the head ; second joint porrect ; third linear, acute, slightly decum- 

 bent, blackish for half the length from the tip, as long as the second. 

 Abdomen shorter than the interior border of the hind wings. Legs 

 slender, rather short. Wings broad, with three pale brown oblique 

 straight lines ; first line antemedial ; second medial ; third post- 

 medial, bordered with pale cinereous on the outer side ; marginal 

 line brown, slender; fringe pale cinereous at the base ; under side 

 with a submarginal line of brownish dots, which are most distinct 



