96 
MYALILA; RABILA; ARENOSTOLA; ACRAPEX. By M. Gaede. 
83. Genus: Mjalila Strd. 
Proboscis feeble, palpi short-, porrect, densely haired. Frons with a flat hnmp. Antennae of the ^ 
laminated. Thorax apparently with a tuft only in front. Veins 6 and 7 of the hindwing from the same base. 
typica. M. typica Strd. (10 g). Light reddish-brown, glos.sy. Darker at the base of the forewing. Ring-macnla 
large, edged dark. Reniform macnla inside mth a straight black streak, with a uniformly broad light centre, 
and a black spot outside. One broad dark blotch each above veins 4 and 5, tlie ground-colour behind it more 
reddish as far as the black, white-edged marginal lunae. Hiiidwing brownish-white, d' -6 mm. Sambesi District. 
84. Genus: Rabila Wkr. 
Proboscis absent. Palpi thin, porrect. Frons with a hump. Antennae of (d typically pectinated. Thorax 
with a tuft in front and behind. Veins 6 -j- 7 of hindwing on a short stalk, 8 arises from the centre of the cell. 
Type; frontalis Wkr. from India, considerably larger and stronger. 
albiviridis. R. albiviridis Poult. (10 h). Antennae of laminated. Body brownish. Forewing yellowish-green, 
costal margin white. Hindwing brownish-white. An aberrative $ has a deeper golden green spot at the base 
of the inner margin, edged white, rounded outside, and a similar smaller one before the interior angle. 20—-24 mm. 
Somali Land. 
85. Genus : Areiiostola Hmps. 
Proboscis normal, palpi highly erected. Antennae of A ciliated. Prothorax with a keel-shaped tuft. 
Vein 5 of hindwing from the centre of tlie cross-vein. Type: •phragmitidis Hbn. from Europe. 
diamesa. A. diatuesa Hmps. Body pale red-brown. Forewing greyish-white, dusted reddish-brown. Basal half 
and costal margin near the apex dusted black, veins whitish at the costal margin and behind the cell. A blackish 
radial band below the cell and vein 4, faded behind. A black spot at the cross-vein and small submarginal 
spots. Hindwing brownish-white. Fringes of both wings white. ^ 26 mm. Zulu Land. 
inierlata. A. iiiterlata Wkr. (lOh). Light ochreous with violettish-brown radial streaks. A blackish-brown streak 
in the cell and a dot at the cross-vein, a light streak in the srdiinedian fold. Marginal dots blackish-brown. 
Hindwing yellowish-white, browner at the margin. $ 30 mm. Natal. 
86. Genus: Acrapex Hmps. 
Proboscis stunted. Palpi long and thin. Body without tufts. Forewing rather pointed. Veins 3+4 
and 6 -|- 7 of hindwing stalked, 5 from below the middle of the cross-vein. Type: prisca Wkr. from India. 
Antennae of d* serrate. 
curvaia. A. curvata Hmps. (10 h). Body whitish ochreous. Forewing yellowish ochreous, reddish-yellow at the 
costal margin, a red-brown tinge above the inner margin. A broad white band at the median vein to the apex, 
edged dark below from the apex to vein 3. The upper cell-angle with 2 black streaks. Fringe yelloAvish white. 
Hindwing white. 24 mm. South and East Africa. 
Antennae of d ciliated. 
simbaemis. A. simbacnsis Le Cerf. Forewing whitish ochreous, somewhat darker between the veins. The lower 
cell-margin blackish-brown outside. A broad dark shadow from the apex to vein 2. Four fine black dots around 
the cross-vein. Hindwing lighter than forewing. d -d mm. East Africa. 
rhahdonexi- A. rhabdoneura Hmps. (10 h). Forewing yellowish-brown. A broad reddish-brown band from the base 
to the apex. A fine white line at the median vein with hooks at the cross-vein. The veins behind the cell some¬ 
what white. Hindwing wdlite. 22—25 mm. East Africa. 
metaphaea. A. luetaphaea Hmps. (10 h). Thorax and forewdng red-brown. Costal margin, median vein and the 
veins arising from it dark brown. Fine white dots at the loAver cell-angle. A series of black dots before the 
margin and at the margin. A dark oblique apical shadow is traceable. Hindwing dark brown, d -d mm. South 
Africa. 
spoUaia. A. spoliata Wkr. (10 h). Thorax and forewdng reddish-brown, the costal margin narrow, darker, a 
broad radial stripe below the cell also darker. Median vein white. Hindwdng blackish-browni. d mm. West, 
South and East Africa. 
hrumiea. A. brunnea Hm^is. (= leucophlebia Hm.ps. part.) (10 h). Thorax and forewing dark brown. A pale 
band in and behind the cell, as Avell as at the inner margin. Two wdiite dots at the low'er cell-angle. Black 
