296 THE LEPIDOPTEEA OF CETLON. 



NISTEA(?) MOLUSALIS 

 Botys MoIusnUs, Walker, Catal. Lep. Het. B. M. xix. p. 993 (1859). 

 Cinereoi;s-oclireous : forewing witli purplish-brown streaks at tlie base of costa, 

 a transverse antemedial and an irregular discal denticulated line, and marginal 

 points ; an orbicular spot and a quadrate reniform mark : liindwing with a trans- 

 verse discal irregular line, marginal points, and a quadrate spot at end of the cell. 

 'J'horax in front, head, and palpi above purplish-brown. 

 Expanse -r^ inch. 



Genus DIASEMIA. 

 THasemia, Iliilmer, Verz. bek. Sobmett, p. 348 (1825-7) ; Stephens, Illust. Haust. iv. p. 37 (1831) ; 

 Guenee,-Delt. et Pyral. p. 233 (1854) ; Walker, Catal. Lep. Het. B. M. xvii. p. 407 (1859) ; 

 Lederer, Pyral. Wien. Eiit. Moa. vii. p. 418 (1863) ; Meyrick, Tr. Eot. Soc. Lond. 1884, 

 p. 302. 

 Wings narrow, rather long : forewing slightly acute, exterior margin oblique ; 

 cell long, extending three-fifths the length ; first subcostal emitted close to end of 

 the cell, fifth from the end; discocellular deeply concave, radials from near the 

 middle and lower end ; middle median close to end of cell, lower more than one- 

 fourth : hindwing long, narrow, exterior margin very oblique and recurved ; cell 

 nearly half the length ; subcostals from end, first partly joined to costal ; discocellular 

 deeply concave, radial from lower end; two upper medians from end of cell, lower 

 at one-third. Body slender ; labial palpi long, porrect, rather incumbent, clothed 

 with coarse short haiiy scales, apex pointed ; maxillary palpi distinct, triangular, 

 laxly squamous ; antenna3 pubescent ; legs long, tibite squamous, spurs imequal in 

 length. 



Tijpe, D. litteralis. 



DIASEMIA RAMBUEIALIS (Plate 179, Fig. 5). 

 Hijdrommpa Ramhnrialls, Diiponchel, Lep. Fr. viii. pt. 2, p. 313, pi. 233, fig. 6 (1831) ; Catal. M^tb. 



Lep. Eur. p. 202 (1844). 

 Botijs Ramhurialis, Zeller, Lep. Micro. CafFr. Koiigl. Vet. Akad. Handl. 1852, p. 30. 

 Diasemia liamhurialh, Guenee, Delt. et Pyral. p. 234 ; Suelleu, Tijd. voor Ent. 1884, p. 38 ; Meyrick, 



Tr. Ent. Soc. Loud. 1884, p. 302. 

 Isopterijx melalnicalls, Walker, Catal. Lep. Het. B. M. xvii. p. 402 (1859). 

 Diasemia reconditalis, Walker, id. xxxiv. p. 1325 (1865). 

 Diasemia lencophealis, Walker, id. p. 1326 (1865). 



Greyish-black. Both wings with a few short transverse ochreous strigte : fore- 

 Aving with a white spot at end of the cell, a narrow subapical short band from the 

 costa, below which is a longitudinal oval spot and lower white speckles : hindwing 

 with a broad white subbasal band, and an irregular medial band which is confluent 

 with a rcciu'ved discal narrower band. Cilia white, with black macular inner line. 



