( 110 ) 



Peridela gen. nov. 



The species referred to tliis geuiis bear t(i iionodi'la the same rehitioii that 

 Tepltrina Dnj). does to Te.phrinojjsix Warr., the antennae of the S being pectinated 

 instead of simj)!)- pubescent. At present they are all African insects. 



Type : Peridela crassata sp. nov. 



258. Peridela crassata sp. nov. 



Foieir//t(/s: greyish white, tliickly ilusted with fnsc-ons atoms, the marginal 

 area suifused with grey aud fnscons ; the lines darker ; first from one-fourth of costa 

 to inner margin near base, curved below costa ; middle line from nearly two-thirds 

 of costa to inner margin before middle, nearly straight and mncli thickened below 

 middle ; onter line at three-fourths, black, slightly curved below costa, oblique and 

 irregularly waved to twtvthirds of inner margin, finely edged externally with paler, 

 and followed by a dark fuscous shade, which is black at osta and between veins 

 3 and 4, and is edged by pale grey scales forming the submarginal line : cell-spot black ; 

 veins towards liindmargin ochreous : fringe fuscous, with a pale base, anil a line of 

 Ijlackish lunules along margin. 



Ilindwings : with thick antemedian and wavy postmediau blackish lines : a 

 black blotch between veins 3 and 4 in the dark marginal area. In the J the central 

 area between the middle and outer lines is decidedly paler than the rest of the wing ; 

 in the S the difference is scarcely perceptible. 



Underside paler, with the markings more distinct. Head, thorax, and abdomen 

 fuscous grey. 



Expanse of wings : 32 mm. 



One J, one ?, from Mpeta, Loangwa River, December IfJO.'i (Coryndon). 



2-50. Peridela curvifascia sji. nov. 



Forewings: whitish, speckled and snlfused with fuscous aud lirowu, except a 

 curved and sinuous i)ale fascia between the middle and outer Hues, which is speckled 

 only; a dark dot near base ; a curved aud wavy first line at one-third; a sinuous 

 oblique median line from costa beyond middle to inner margin ratlier before middle: 

 outer line similar, but broken, followed by a diffuse dark Ijrown shade : the apex 

 paler ; a black cell-si>ot. 



Hindiring.i: similar, without first line: fringes mottled whitish and brown. 

 with a dark crennlate basal line. 



Underside similar, but duller. Head, thorax, aud abdomen darjv fuscous. 



Expanse of wings : 20 mm. 



One S from Mpeta, Loangwa River, December ISfi.j (Coryndon). 



260. Peridela interrupta sp. uov. 



Forewinqs : white, with jjalo brown suffusion, and dusted with fuscous ; the 

 markings dark brown and blackish, distinct ; costa suffused narrowly wif h fuscous ; 

 first line at (jne-fourth, bent below costa ; median line shortly beyond it, curved ; 

 both starting from a dark brown costal spot : outer line from an oTilique costal 

 streak, sharply pomted at its extremity, interrupted by the i)ale ground-colour below 

 subcostal ; its lower two-thirds curved, dark lirown, followed on costa by a brownish 



