438 On a new Ilesperid from Peru. 



LVI. — Description of a neio Ilesperid from Peru, belonging 

 to the Subfamily Pyrrhopyginse. By HAMILTON H. 

 Druce, F.L.S. &c. 



Yanguna mabillei, sp, n. 



c? . Upperside : fore wing blue-black, with a pure white 

 transverse central fascia commencing broadly just below the 

 subcostal nervure and extending to the submedian nervure, 

 where it becomes narrowed to a point and divided by the 

 black nervules, i. e. the median and the lower median nervule ; 

 base of wing broadly and unevenly bright red ; cilia reddish 

 brown. Hind wing : basal and discal areas bright red ; inner 

 margin, apex, outer and abdominal margins broadly and 

 evenly blue-black; extreme basal areas thickly clothed with 

 deep black hairs ; cilia from apex to anal angle, where it is 

 longest, reddish brown. 



Underside : fore wing blue-black, with the white trans- 

 verse fascia as above and a slight reddish irroration at the 

 base. Hind wing blue-black, with a distinct, clearly defined, 

 bright red fascia commencing on the costal margin close to 

 the base and extending to the middle of the wing ; cilia of 

 both wings as above. 



Head black, with two whitish spots between the eyes ; 

 collar grey ; thorax bright red interspersed with black 

 hairs. Abdomen black, annulated with bluish grey ; anal 

 tuft reddish brown. Palpi black, with some grey scales. 

 Legs black, fiinged with grey. Antennae black. 

 Expanse 2f inches. 



Hab. Huancabamba, E. Peru, 6000-10,000 feet [Boettger, 

 type Mus. Druce). 



This fine insect, although somewhat like Y. cometes, Cr., 

 has not the white fringes of that group, and seems to be 

 allied to the species lately described and well figured by 

 MM. Mabilie and Boullet in 'Annales des Sciences Natu- 

 relles,' 9th series, Zool. t. vii. p. 186, pi. xiii. fig. 2 (1908). 

 It differs from that, however, by the broad white transverse 

 band on the fore wing and by the more extensive red on the 

 hind wing below. Described from two specimens, one of 

 which has the cilia of the hind wings more concolorous with 

 the border, and which may be its more usual colouring. 



