186 EXOTIC MICROLKriDOPTKKA. 



PELOMIMAS, n. g. 



Head loosely haired on crown, face with appressed scales ; ocelli 

 present ; tongue develo])ed. Antennae |^, in c5' stronglj^ ciliated, 

 basal joint elongate, without pecten. Labial palpi very long, 

 recurved, second joint thickened with appressed scales, terminal 

 joint as long as second, moderate, acute. Maxillary palpi very 

 short, filiform, appressed to tongue. Tosterior tibiae with short 

 loosely appressed hairs above. Forewings with 1 h furcate, 2 

 from near angle, 7 to apex, 8 and 9 out of 7, 11 from middle. 

 Hindwings somewhat under 1, elongate-ovate, cilia | ; 3 and 4 

 connate, 5-7 nearly parallel. 



Allied to Machimia. 



Pelomimas mixadelpha, n. sp. 



cj y. 11-12 mm. Head and thorax pale greyish-ochreous, 

 in 5 deeper. Palpi ochreous-whitish, basal g of second joint and 

 extreme base of terminal joint dark fuscous. Antennal ciliations 

 of c^ 2^. Abdomen grey, darker in $ . Forewings elongate, 

 costa slightly arched, apex obtuse, termen rounded, oblique ; in S 

 pale greyish-ochreous, in $ deeper greyish-ochreous finely irrorated 

 with dark grey ; a black dot at base of costa ; stigmata black, 

 plical obliquely beyond first discal ; a black dot almost on dorsum 

 slightly beyond second discal, one beneath costa at |, sometimes 

 obliquely followed by a second, and four in a curved transverse 

 series in disc near termen : cilia in S P'lle greyish-ochreous, in $ 

 light greyish. Hindwings and cilia in d rather light grey, in 

 $ rather dark grey. 



BiuTisn Guiana, Bartica, from December to February (ParisJi) ; 

 nine specimens. Superficially extremely like Machimia mercata. 



"~^^v^ ORSIMACHA, n. g. 



Head loosely haired on crown, face with appressed scales ; ocelli 

 present ; tongue developed. Antennae |, in c? strongly ciliated, 

 basal joint moderate, without pecten. Labial palpi long, recurved, 

 second joint much thickened with dense ecales produced into a 

 short rough tuft beneath towards apex, terminal joint nearly as 

 long as second, somewhat thickened with scales, acute. Maxillary 

 palpi very short, filiform, appressed to tongue. Posterior tibiae 

 loosely rough-scaled above. Forewings with 1 b furcate, 2 from 

 towards angle, 8 and 9 stalked, 7 usually absent, but sometimes 

 out of 8, running to apex, 11 from middle. Hindwings under 1, 

 elongate-ovate, cilia | ; 3 and 4 connate, 5-7 nearly parallel. 



Tyi)0 2^etasodi's Meyr. Allied to Machimia, 



^ — Orsimacha petasodes, n. sp. 



S $ . 11-14 mm, Head white, crown grey posteriorly. Palpi 

 white basal 3^ of second joint blackish. Antennal ciliations in 

 S 3. Thorax pui'plc-blackish, ])osterior third ochreous-yellowish. 



