340 Mr. G. F. Hampson on 
Genus MIckocAUsTA, nov. 
Palpi porrect, extending about twice the length of head, 
down-curved at extremity, and the third joint buried in hair ; 
maxillary palpi triangularly scaled ; frons rounded ; antenne 
annulate; hind tibie of male fringed with extremely long 
hair on outer side and with tufts of hair towards extremity ; 
the spurs absent, the first joint of tarsus fringed with hair. 
Fore wing broad, the apex produced and acute; veins 3, 4, 
and 5 from close to angle of cell; 7 from upper angle ; 10 free. 
Hind wing with veins 3 and 5 from angle of cell; 4 absent ; 
6 and 7 from upper angle; 7 anastomosing with 8. 
Microcausta tgnifimbrialis, sp. n. 
dg. Head, thorax, and abdomen fulvous, the last with 
some fuscous on dorsum and fiery red at extremity. Fore 
wing purplish pink; some fulvous on basal inner area; an 
indistinct sinuous, curved, dark antemedial line ; two almost 
conjoined yellow discocellular spots; a curved black sub- 
marginal line, bent inwards to costa; an oblique white apical 
streak ; some fuscous suffusion on margin ; the cilia fiery red. 
Hind wing pale fuscous ; the cilia grey. 
Hab. Grenada: windward side, Balthazar. St. Vincent, 
windward side. Hep. 10 millim. 
Lineodes serpulalis, Led. Wien. ent. Mon. 1863, p. 417, pl. xv. 
fig. 8. 
St. Vincent. 
Pionea teniolalis, Guen, Delt. et Pyr. p. 172. 
Grenada: windward side, Balthazar. St. Vincent: wind- 
ward side, Kingstown. 
Pionea syphaxalis, Wik. xviii. 604. 
Grenada: windward side, Balthazar. 
Pionea inclusalis, Wik. xviii. 631. 
St. Vincent, windward side. 
Pionea eupalusalis, Wik. xviii. 605. 
Grenada: windward side, Balthazar. 
Pionea vinotinctalis, sp. n. 
Head, thorax, and abdomen fulvous brown; palpi white 
below. Fore wing ochreous brown, slightly suffused with 
