SELENISTIS — TRISTYLA. 303 



ITab. Mashonaland, Salisbury {Marshall), 1 S type ; Transvaal, 

 White R. (Cooke), i c? , Bultfontein (Janse), 1 § ; Orange R Colony, 

 Rloemfontein (EcTcersley), 1 S ; Zdltjland, Lr. Tugela (Reynolds), 



4 S , 2 $ ; Natal, Stanger {Leigh), 1 J 1 ; C. Colony, Deelfoutein 

 (Sloggett), 1 J, Heald Town (J/iss i^. Barrett), 1 J , 1 $. 

 AVy*. 26-30 millim. 



Genus TRISTYLA. 



Type. 



Tristyla, Smith, Ins. Life, v. p. 332 (1893) alhoplagiata. 



Proboscis fully developed ; palpi porrect, the 2nd joint extending about the 

 length of head and moderately fringed with scales below, the 3rd short ; irons 

 with corneous process produced to a long point at middle, to two short points 

 at, sides and a shore point below, a corneous plate below it ; eyes large, round ; 

 antennas of female almost simple ; thorax clothed entirely with scales, the 

 prothorax without crest, the metathorax with large spreading crest ; tibiae 

 smoothly scaled; abdomen without crests. Fore wing rather long and narrow, 

 the apex rounded, the termen obliquely curved and not crenulate ; veins 3 and 



5 from near angle of cell; 6 from upper angle; 9 from 10 anastomosing 

 with 8 to form a short areole ; 11 from cell. Hind wing with veins 3,4 

 from angle of cell ; 5 obsolescent from just below middle of discocellulars ; 

 6, 7 stalked ; 8 anastomosing with the cell nearly to middle. 



4856. Tristyla alboplagiata. 



Tristyla alboplagiata, Smith, Ins. Life, v. p. 332. fig. 46. 6 (1893) ; Dyar, 

 Oat. Lep. N. Am. p. 183. 



2 . Head white, the palpi above and frons at sides tinged with 

 rufous ; thorax white tinged with rufous, the patagia with some 

 black scales near upper edge ; the metathoracic crest bright 

 rufous ; tibiae and tarsi banded with fuscous brown ; abdomen 

 whitish suffused with ochreous brown. Fore wing white suffused 

 with grey-brown mixed with some rufous except at base and on 

 termen ; subbasal line represented by a black striga from costa ; 

 antemedial line black slightly defined on outer side by white, 



^"-^ 



Op 



Fig. 184. — Tristyla alboplagiata, §. \. 



oblique, waved ; orbicular represented by a white patch extending 

 to costa and defined on outer side by a black bar in cell ; reniform 

 a large white patch extending to costa, its lower half strongly 

 defined by black ; a black point on middle of costa ; postmedial line 

 closely approximated to reniform, bent outwards below costa, 

 incurved in discal fold, strongly incurved and waved below vein 4 ; 

 subterminal line represented by the waved edge of brown area and 

 with slight rufous patches beyond it below costa and in discal and 



