neio ThyriJidaj and PyralliUe. 139 



(18 a.) Macalla ochrotalls, sp. n. 



Antennae of male with the process slender and fringed 

 with \o\i'^ liiiir below. Head, tliorax, and abdomen ochreous ; 

 tcguhe and j)ata;^ia rufous at base; tibi;i' with scnue rufous; 

 tarsi rufous liiiged \\ith ochreous ; abdomen with slight 

 rufous dorsal bands. Tore winj^ ochreous slij^htly irroratcd 

 with rufous and black, the terminal area rufous suffused 

 \\\i\\ black ; antemedial line ill-defined, blackish, anj^led 

 outwards below eosta, strongly incurved to submedian fold 

 and bent outwarils to inner margin ; a prominent black 

 discoiilal spot; [tostmcdial line ditluscd, black, defining the 

 inner edge of rutous area, excurvcd between veins J and 3; 

 a terminal series of black points ; cilia pale with black line 

 near base. Hind wing semihyaliue white ; a terminal black 

 band narrowing from apex to a point at veiu 1 ; cilia with a 

 blackish line near base. 



Hub. Fr. Guiana, Cayenne (Schaus), 1 ? type, type (^ in 

 Coll. Schaus. Ej:j}. 22 mm. 



(18 b.) Macalla iiiveorufa, sp. n. 



? . Head, thorax, and abdomen white, the head slightly 

 tinged with ochreous; palpi with black spot on inner side of 

 second joint at extremity, the third joint black; tibial banded 

 with black, the tarsi black ringed with white ; abdomen with 

 black dorsal segmental lines and lateral black irroration. 

 Fore wing nearly pure white, the basal area slightly tinged 

 with fuscous, the terminal area silky rufous with some black 

 suffusion; an indistinct antemedial line with darker spot on 

 eosta, incurved in submedian interspace ; two black discoidal 

 points ; po.stmedial line strong, black with slight streaks on 

 the veins, slightly bent outwards between veins 5 and 3, then 

 somewhat retracted, the whole area beyond it rufous ; a 

 terminal series of black spots. Hind wmg ochreous white, 

 the apical area broadly suffused with fuscous and tinged 

 with rufous to just below vein 2, the termen then narrowly 

 dark; the underside with black discoidal point and indistinct 

 punctilbrm curved postmedial line from eosta to vein 2. 



Hub. Panama, Cana Mines {Tylecute), 1 ? type. Exp. 

 28 mm. 



(20 a.) Macalla melanobasis, sp. n. 



(J. Head and thorax black, mixed with some rufous and 

 ochreous; hind legsandalxlomen ochreous, with dorsal patches 

 of black scales on first two and fourth au«l fifth segments. 



