176 A. R. Grote's Notes on the Zygsenidse of Cula. 



Walker has placed S. tribuna, for the reason that the brief diagnosis 

 does not agree with our species, with which Mr. Walker is autoptical- 

 ly unacquainted, but probably with Kpidesma militta, Il'tibn., cited 

 first under the group. 

 Seirocastnia tribuna. 



Ephialtias tribuna, Hiibner, Zutr. 3rd Hund. p. 24, No. 246, figs. 491 — 492. 

 (1825.) 



Josia tribuna, Walker, C. B. M. Lep. Pt. 2, p. 317. (1854.) 



Deep brown, with a light purplish iridescence. Primaries with a ba- 

 sal longitudinal stripe of yellow scales, extending above and along the 

 median nervure to base of 4th m. nervule. An oblique, broad, slight- 

 ly sinuate band, of the same shade, runs across the wing, extending 

 from within apical half on the costa, to external margin above the angle, 

 without attaining either margin. Secondaries with a very broad me- 

 dian longitudinal band of a richer, darker yellow than the stripes on 

 the primaries, extending from the base and spreading wider over the 

 disc and middle of the wing. 



Under surface, resembling upper; on the primaries the basal stripe 

 is wider and more diffuse than its analogue on the upper surface, while 

 the color of both bands is darker and like that on the secondaries. 



Head, clothed with mixed brownish scales ; palpi, yellow, except the 

 apical joint. Prothorax, with a yellow band. Thorax, clothed with 

 brownish scales. Abdomen, yellow, with a dorsal longitudinal black 

 stripe; beneath, with a broader black ventral stripe ; anal valves, in 

 the male, clothed with blackish hair. Legs, blackish; middle and hind 

 tibiae with an outward lateral yellow stripe. Exp. % , 1.85. 9, 2.15 

 inches. Length of body, % , .80, 9 , .85 inch. 



Habitat.— Caha, (Poey). Coll. Ent. Soc. Philad. 



Number 163, Poeij s MS. Catalogue. 



EUSCIRRHOPTERTTS, n. g. 



A genus allied to Eudryas, and plainly showing the position of the 

 latter in this sub-family. It is also also allied to Hecatesia and (Ego- 

 cera. The sexes are quite dissimilar in structure and appearance. 

 This character in the present instance leads me to surmise that Heca- 

 tesia, as illustrated by Dr. Boisduval, is merely founded in the male 

 sex. Our genus, though allied, seems quite distinct from these two 

 Asiatic genera. Under the name "Eudryina,"* I have indicated a 

 group which would contain all these genera, but, since recognizing the 

 Family Zygaenidae as here presented, I think the retention of the term 

 unnecessary. 



*Pro<\ Ent. Soc. Phi]., June, 1863, p. 65, in an article describing Ciris Wil- 

 sonii, (Eudryas Wilsonii Grote.) 



