Equatorial African Micro-lepidoptera. 49 
and the preceding streak, and followed by a larger white costal spot 
immediately before the apex, a few white scales at the costal 
extremity of the third chalybeous streak ; from the dorsum arises 
arather broad straight chalybeous streak immediately before the 
middle, which terminates on the disc between the lower extremities 
of the first and second costal streaks; this is followed by a con- 
spicuous black patch at the tornus, margined by a shorter chaly- 
beous streak at its commencement, and containing two conspicuous 
shining metallic spots, with some golden metallic scales along the 
margin; above this patch is a series of five radiating golden ochreous 
lines following the nervules, but not extending to the termen; 
termen indented below the apex, the apex itself being somewhat 
depressed ; cilia shining metallic about the tornus (but too much worn 
above it to admit of description). Hxp. al., 12 mm. Hindwings 
purplish fuscous, with cilia the same colour but inclining to greyish 
about the abdominal angle. Underside with the cilia distinctly 
spotted with white along the outer margin. Abdomen leaden grey. 
Underside white, anal segments fuscous. Legs greyish fuscons, 
annulated with white on the tarsal joints, spurs inclining to 
ochreous. 
Hab. Sierra Leonel?. French Congo—Kanewé, 
Ogowé River (Rev. A. C. Good). 
Allied to Glyphipteryx grapholithoides, Wlism., from 
Natal. These species belong to the group to which 
Walker gave the generic name Ussara, when describing 
decoratella trom the Amazons. I am unable to discover 
any structural character by which it can be separated from 
Glyphipteryx. {When the above description was written 
I had not recognised the species, but as it supplements 
Walker’s in several particulars I am not willing to sup- 
press it. | 
IplOTHAUMA, gen. n. 
(ios = distinct, @atua = a wonder.) 
Typr. Idiothauma africanum, Wlsm. 
Antenne, ¢ bifasciculate (at least 2), without pecten. Labial 
palpi recurved, appressed to face; apical joint blunt, shorter 
than second. Muzillary palpi absent. Haustellum short. Ocelli 
present. Head and thorax smooth. Forewings somewhat triangu- 
lar, narrow at the base, widened outwardly, costa straight or 
slightly depressed towards apex, dorsum straight, termen oblique, 
TRANS. ENT, SOC. LOND. 1897.—ParT I. (APRIL.) t 
