STEXOSCAPTIA. — BVRSIA. 591 



on the extremities of the veins. Hind wing whitish tinged with 

 rufous. Underside of fore wing suffused with rufous. 



Hah. Br. N. Guinea, Collingwood B;iy, Haidana (Meek), type f 

 J in Coll. llothschild. JSxp. 18 millim. 



590. Byrsia aurantiaca. 



Larva. Piepers, Tijd. v. Ent. xlviii. p. 148. 



Ochreous, greenish except the head and two anterior and posterior 

 somites, the 3rd and 10th somites dorsally black, the black on 3rd 

 somite emitting lateral black streaks on the two following somites ; 

 the black segments with warts covered with minute points ; each 

 somite with yellowish-white transverse lines ; hair white. Food- 

 plant, Mangifera iiuUca. 



591. Byrsia dotata. 



Subsp. 1. celebensis, Roths. Nov. Zool. viii. p. 422 (1901). 



The form described and figured on page 2S2 as B. dotata. The 

 true dotata from Batchian is the form with the black area at base 

 of fore .wing and costal fascia wider, the orange-red subterminal 

 band narrower and reduced towards inner margin ; hind wing with 

 the yellow extending to below the cell in both sexes. 



Subsp. 2. papuana, Roths. Nov. Zool. viii. p. 423 (1901). 

 <$ . Differs from the typical form in the subterminal orange-red 

 band extending to inner margin near torn us. Hind wing with the 

 black on termen on underside very narrow from vein 2 to tornus. 



Hal. New Guinea, Kapaur (Doherty), Milne Bay (Meek), 

 typet d in Coll. Rothschild. 



591 a. Byrsia latiplaga. (Plate XXXI. fig. IS.) 



Byrsi't latiplaga, Roths. Nov. Zool. xix. p. 238 (1912). 



Byrsia latiplaga, ab. redueta, Roths. Nov. Zool. xix. p. 238 (1912). 



Byrsia latiplaga, pallidior, Roths. Nov. Zool. xix. p. 238 (1912). 



d . Head, thorax, and abdomen black-brown ; coxa? and tarsi 

 except at extremities white ; abdomen with the ventral surface 

 white. Fore wing black ; a conical orange-yellow antemedial patch 

 from below oosta to inner margin, its edges slightly sinuous ; an 

 orange-red subterminal band from below costa to just above tornus, 

 its edges waved, rounded above and narrowing to a point below. 

 Hind wing black tinged with red-brown; a conical orange-yellow 

 patch from middle of costa to above tornus occupying fully half 

 the wing ; cilia black ; the underside orange-yellow with a black- 

 brown terminal line expanding into a patch at apex. 



2 . Fore wing with the antemedial orange-yellow patch broader 

 and more quadrate. 



Ab. 1. pallid/or. Fore wing with the antemedial patch golden 

 yellow ; hind wing with the patch golden yellow and not extending 

 below submedian fold. 



