94 THE LEPIDOPTERA OF CEYLON. 



footstalk half beyond the cell ; discocellular bent acutely inward before the middle ; 

 three upper medians as in male, the first or lower at one-third before end of the cell ; 

 submedian and internal vein slightly curved. Body robust; antennae with shorter 

 branches to the tip ; femora and tibi« less pilose, middle and hind tibi« with two 

 short spurs. 



PERINA NUDA (Plate 114, Fig. 1, la, (J ?, IS, larva). 



Bomhyx nuda,* Fabricius, Mant. Ins. ii. p. 117 (1787), $. 



Perina hasalis. Walker, Catal. Lep. Het. B. M. iv. p. 966 (1855), $; Moore, Catal. Lep. Mus. E. I. C. 



ii. p. 349, pi. 16, fig. 4. 

 Eiiproctis antica, var. C, Walker, Catal. Lep. Het. B. M. iv. p. 835, 9. 

 Stilpnotia suhtincta. Walker, id. p. 843 (1855), 2- 

 Euproctis combinata. Walker, id. xxxii. p. 347 (1865), 3. 



Male : forewing transparent, except at the base, which is obliquely covered with 

 pale ochreous-brown scales : hindwing pale ochreous-brown, darkest towards anal 

 angle ; a transparent spot at the apex ; thorax pale ochreous-brown, abdomen 

 blackish, with narrow whitish segmental bands, anal tuft reddish-ochreous ; head, 

 palpi, and legs above pale reddish-ochreous ; antennae brown. Female dull ochreous- 

 white, the base of posterior border sparsely irrorated with minute black scales. 

 Body dull ochreous-white ; head, palpi, legs, and anal tuft pale ochreous. 



Expanse, S If, 9 If inch. 



Larva pale greyish -green, with a dorsal series of short tufts of blackish hairs, a 

 longer tuft projecting over the head and anal segment, and a lateral pendant row of 

 tufts of longish grey and black hairs ; a dark sap-green dorsal band broken by a 

 whitish band on second, third, and fourth segments, two red spots on the green 

 band on the side of second, third, and fourth segments ; a subdorsal row of dark 

 blue tubercular spots from fifth segment. Pupa greenish, hairy, with red spotted 

 black thorax and dorsal segments. 



" Feeds on Acanthads." (Tlnvaites.) 



Genus PSALIS. 



Psalis, Hiibner, Zutrage, Samml. Exot. Schmett. pt. ii. p. 19 (1823). 

 Arestha, Walker, Catal. Lep. Het. B. M. iv. p. 805 (1855). 

 Anchyneura, Felder, Sitz. Acad. Wiss. 1861, p. 33. 



Male : forewing elongated, narrow, costa arched, exterior margin slightly 

 oblique, posterior margin nearly straight ; first subcostal emitted at one-half before 

 end of the cell, second at one-sixth before the end, trifid, the third from below at 

 one-fifth from base of the second, fifth from end of the cell, ascending and joined td 

 third by a short spin* near its base ; cell extending three-fifths the wing ; discocellular 



* The Fabrieian type specimen of this insect is contained in the Banksian Cabinet at the British Museum. 



