Genera and Species of the family Pyralidae. 29 



thorax with black scales and abdomen above with two semicircular 

 maculae on sixth segment, dorsally separated from each other by 

 white scaling; two lateral tufts of natal bro^vn hairs on last abdo- 

 minal segment. Fore-wing with the area between basal and ante- 

 medial lines not sprinkled with white ; some dark antemedial edging 

 against it, where the white scaling is very dense, gradually 

 diminishing towards costa and medial line, which is very indistinct ; 

 a black spot at end of cell, around which the white irroration is 

 quite dense; white irroration between antemedial and postmedial 

 lines less dense at costa; postmedial beginning from costa as an 

 oblique, well-defined, white striga as far as vein 6, then indistinct 

 and somewhat wavy to tornus, sprinkled on outer side with white ; 

 no white scaling from costa to vein 5 between postmedial and 

 subterminal lines; from vein 8 to vein 2 the subterminal area is 

 densely scaled with white; terminal Ime black; interrupted on 

 the veins by white ; cilia consist of fuscous and white scales mixed, 

 with two transverse lines, of which the first is edged with white. 

 Hind- wing whitish, evenly, except at base, irrorated with natal 

 brown; terminal Ime of denser natal brown irroration; cilia vnth. 

 base whitish and with a transverse whitish line. 



Underside whitish. Forewuig densely irrorated with fuscous, 

 sparsely at inner- marginal area and with some white scaling along 

 costa and termen as far as vein 4 ; termmal line fuscous, with light 

 spots on the veins ; cilia light at base, transverse lines as above, but 

 with white scaling at middle from costa to near tornus. Hind- 

 wing thinly irrorated with fuscous, densest at costal and terminal 

 area as far as vein Ic ; cilia as above. 



Exp. Male type 18 mm.; female type 17 mm.; male co-types 

 16-19 mm. ; female co-type 20 mm. 



Hah. Male type, Pretoria, 25. xii. 1016 ; female type, 

 Pretoria, 21. ii. 1917. Male co-types from Pretoria, 

 12. xii. 1911 {Lord Gladstone), in Transvaal Musemn; in 

 coll. Janse from Sawmills, 1-4. ii. 1918; Bulawayo, 

 15-23 Dec. ; female co-type from Pretoria {Capt. Paget) 

 in Dec. 1911 (in Transvaal Musemn); in all eighteen 

 specimens, 



Dattinia natalensis, sp. n. 

 Male and female. Head, palpi, shaft of antennae, thorax,abdomen 

 at sides and on underside, last two segments on uppersides, and 

 legs cream-buff (xxx); ground-colour of fore- wing light buff (xv); 

 abdomen on upperside orange-buft' except last two segments and 

 narrow rings at end of each segment ; palpi at sides here and there 



