Mr. W. H. Nunney on a new West-African Insect. 349 
Diatrea canella, sp. n. 
3. Differs from saccharalis in being grey, irrorated with 
fuscous instead of ochreous. Abdomen with the base fulvous, 
suffused with fuscous on dorsum. Fore wing thickly irrorated 
with fuscous ; the oblique medial line prominent and excurved 
round the discocellular speck ; the curved postmedial and 
marginal series of specks prominent ; no oblique apical streak. 
Hind wing yellowish white; the apical area greyish and 
with some dark marks on the’ margin. 
2. More suffused with white; the markings of fore wing 
more or less obsolete; the hind wing wholly white. 
Hab. Grenada: windward side, Balthazar; leeward side, 
Mount Gay Estate. Brazil. Hap. ¢ 24-28, 2 32 millim. 
Crambus fisstradiellus, Wik. xxvii. 160. 
Grenada: windward side, Balthazar. St. Vincent, wind- 
ward side. . 
Crambus chrysoporellus, sp. n. 
Silvery white; palpi orange at sides; collar with two 
orange stripes which unite on thorax. Fore wing with some 
golden orange at base of costa; a curved medial golden | line ; 
an obliquely curved line from costa beyond middle to outer 
angle ; two golden lines across apex uniting into a patch on 
margin with two black spots on it; cilia golden. 
Hab. Grenada: windward side, Balthazar. St Vincent, 
windward side. Hap. 12 millim. 
Ptochostola pygmea, Zeil. Hor. Ent. Ross. xvi. p. 173, pl. xi. 
fig. 10. 
Grenada: windward side, Balthazar. St. Vincent: wind- 
ward side, Kingstown. 
Sesiida. 
Sciapteron geliformis, W\k. vil. 46. 
St. Vincent, windward side. 
XLVI.—A new West-African Insect. 
By W. H. Nunney. 
ODONATA. 
Ceratogomphus ? eneothoraxz, Nunney. 
A short while ago I received, amongst other insects from 
West Africa, a fine species of Gomphina, which, I believe, 
has not been described, and which I have provisionally located 
