ABACEKA. — MICROPH.EA, 329 



ventral surface of abdomen whitish tinged with brown. Fore wing 

 with the basal area and costal area to beyond middle grey with a 

 silvery blue gloss ; the medial area black-brown extending into the 

 cell, where its upper edge is excised with a small white lunule in it 

 and its outer extremity produced upwards as a point to subcostal 

 nervure, edged on inner side by the line black antemedial line which 

 is slightly defined on inner side by white and very slightly angled 

 outwards below costa, then oblique, edged on outer side by the fine 

 black postmedial line which is slightly defined on outer side by white, 

 excurved towards costa, incurved at lower angle of cell, then erect, 

 some slight white points beyond it on costa ; terminal area yellowish 

 brown with fuscous and whitish suffusion before the hardly traceable 

 subterminal line which is obliquely excurved below costa ; a black 

 terminal line ; cilia blackish. Hind wing uniform fuscous brown ; 

 the underside leaden grey, the costal area tinged with brown, a fine 

 black terminal line except towards tornus. 



Hah. Be. Gtjiana, Potaro R. (Kaye), 1 $ ; Brazil, Amazons 

 (Bates), type f d" in Coll. Rothschild. Kvj). 18 millim. 



Genus MICROPH^A, nov. 



Type, M. nyctichroa. 



Proboscis fully developed ; palpi upturned, the 2ud joint reaching to about 

 vertex of head and moderately scaled, the 3rd minute ; frons smooth ; eyes 

 large, round ; antennas of male veith bristles and cilia ; thorax clothed almost 

 entirely with scales and without crests ; tibiee moderately fringed with hair ; 

 abdomen without crests. Fore wing with the apex rectangular, the termen 

 evenly 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 the areole, 10 anasto- 

 mosing with 11. Hind wing with veins 3, 4 from angle of cell ; 5 nearly fully 

 developed from below middle of discocellulars ; (5, 7 from upper angle ; 

 8 anastomosing with the cell near base only. 



A. Fore wing with the postmedial line excurved beyond the 



cell and in submedian interspace nyctichroa. 



B. Fore wing with the postmedial line strongly excurved from 



costa to vein 4, then incurved griseata. 



5506. Microphgea nyctichroa, n. sp. 

 $ . Head, thorax, and abdomen dark purplish brown ; pectus. 



Fig. 96. — Microphcsa nyctichroa, 2 . f . 



legs, and ventral surface of abdomen with some whitish mixed. 

 Pore wing purple with slight dark irroration, the postmedial area 



