1909] Dyar: New Species of Insects. 125 



III. 



NEW SPECIES OF LEPIDOPTERA FROM BRITISH 



GUIANA. 



By Harrison G. Dyar, U. S. Nat. Museum, Washington, D. C. 



The following new species occurred among a collection of 

 Lepidoptera made by Mr. C. W. Beebe, Curator of Birds in the 

 New York Zoological Park, in British Guiana in February, 1908. 



Family SATURNIIDAE. 



Hylesia indurata, new species. (Fig. 41, No. 1.) 



$ . Antennae yellowish brown ; thorax dark brown in the 

 middle, the patagia light purplish ; abdomen with numerous yel- 

 low hairs above, reddish below, the segments showing dark 

 brown at their bases. Fore wing with the apex acute, subfal- 

 cate. Purplish, with a frosty tint, the markings dark purplish 

 brown ; a shade on the inner margin at base, indicating the inner 

 line; discal mark large, round, clouded; outer line narrow, 

 straight, more obscure above, especially toward the costa where 

 there is a small shade; a large terminal blotch below the apex. 

 Hind wing with two outer lines, the subterminal one broader. 

 Expanse, 33-43 mm. 



5 . Fore wing acute at apex, but not subfalcate. Colors as 

 in the male, but more shaded ; discal mark large, transverse ; two 

 outer lines, both broad, the subterminal the broader, much as on 

 the hind wing. Expanse, 55 mm. 



One $ , Hoorie,* British Guiana (C. W. Beebe) ; 10 ^ ^ St. 

 Jean, Maroni River, French Guiana, July, 1904 (W. Schaus) ; 1 

 S , Geldersland, Surinam River, Dutch Guiana (W. Schaus) ; 1 

 5 , St. Jean, French Guiana, July, 1904 (W. Schaus). 



Type.— No. 12634, U. S. National Museum. 



*Hoorie Gold Mine, on the Hoorie Creek, tributary of the Barama River, 

 British Guiana. 



