734 LT.-OOL. J. M. FAWCETT OX 



Family Pyralid/e. 

 Subfamily Pyralix/E. 



230. Dattixia aurora, .sp. ii. (PI. I. fig. 29.) 



IJescripiio7i. — d . Antennfe red, bipectiiiate with long branches 

 to near apex. Head and thorax ochreous yellow, the patagia 

 with red fringes ; abdomen ochreous, suffused with pink dorsally. 

 Palpi very long, ochreous above, red beneath ; legs ochreous, the 

 tarsi crimson. Fore wing ochreous yellow, the costa crimson at 

 base, with a crimson line running along the subcostal nervure 

 for three-fourths its length. A crimson band along vein 1, and 

 veins 4 and 5 from end of cell to the subterminal area until the 

 end of the bands is in line with a subterminal series of crimson 

 spots on the veins from costa to vein 2. The apex of wing and 

 outer and inner margins defined by a crimson terminal line. 

 Hind wing white, with silvery iridescence, the veins crimson, 

 and a broad inwardly diffused crimson terminal band ; cilia 

 ochraceous. 



Underside of fore wing ochreous yellow, the veins and 

 margins pale pink. Hind wing ochi-eous white, the costal area 

 and outer margin diflYised with pink. 



5 . Antennae filiform, red. Fore wing, upperside as in male, 

 hind wing crimson, cilia ochreous. 



Habitat. Kedai, 1911, 20th Nov., 1 J ; 24th Nov., 1 $ ; 

 25th Nov., 3 d; 1912, 14th April, 1 c? . Exp., d 43, $ 46 mm. 



231. Dattinia pkrstrigata Hampson. 



■ I), perstrigata Hmpsn. P. Z. S. 1916, p. 172, pi. ii. fig. 40, c? . 



Form 2. TiTHOXUS, nov. (PL I. fig. 23.) 



Deso^iption. — cJ • Difiers from, the figure of perstrigata, quoted 

 above, in the fore wing being irrorated with pale crimson, with 

 the exception of the costal and apical areas. A thin red line 

 round the apex, a black terminal line on both fore and hind wings 

 interrupted at the veins. 



$ . Larger than the expanse given for 'perstrigata, and differing 

 from the female in the B. M. Collection in that the latter has the 

 hind wing and disc of the fore wing fuscous, and no interrupted 

 black marginal line. 



In this form the hind wing and cilia are pale pink, the cell of 

 the fore wing more or less white, a prominent black curved line 

 on the submedian fold (which is not mentioned in the description 

 on p. 172), and a black terminal line on both wings as in male ; 

 it also exceeds pe^^strigata in size, and is the largest Dattinia in 

 British East Africa. 



Habitat. Kedai, 1911, 14th Nov., 1 $; 20th Nov., 1 $; 

 13th Dec, 1 d; 1912, 29th Dec, 1 S, Exp., S 40, $ 50 mm. 



