grisclda. 
'pcillida. 
robusta. 
tallescens. 
insularis. 
190 MICROS EM YRA; HYGROSTOLA; TRIDENTIFRONS. By W. Warren. 
black inner dot on submedian fold; a slight cloudy fuscous shade on extremity of median vein and beyond 
lower angle of cell; a slight black point in lower angle of cell and another on cell fold beyond cell; black 
outer points on both folds with traces of a curved series of dots beyond them on the veins; terminal 
line fine, blackish, not quite reaching apex or tornus; fringe ochreous white, with brownish lines near base 
and tips; hindwing pure white. Bengal and Bombay. Larva bores in the Sugarcane, to which it is destructive 
S. griselda spec. nov. (21b). Forewing pale lilacine grey, with a blackish dot on submedian 
fold representing inner line and a row of blackish dots on veins the outer line, these plainest below 
middle; a dark terminal line; fringe grey with white base; hindwing hyaline white; the fringe white; under¬ 
side white, the costa of forewing sprinkled with grey; head and thorax lilac grey; abdomen (greased) 
grey. 1 G from Kandy, Ceylon, April 1894, expanding 26 mm. Type in Tring Museum. 
75. Genus: Ulicrosemyra Btlr. 
Differs from Sesamia in that the antennae of the possess tuberculate fascicles of cilia, with 
the apex serrate; in the hindwing veins 3, 4 are strongly stalked in from cell in $, veins 6, 7 being 
stalked. Type M. pallida Btlr. 
M. pallida Btlr. Forewing ochreous white with slight fuscous irroration; inner line represented 
by a black dot in submedian fold; outer by an obliquely curved row of points on the veins preceded 
on each fold by more prominent black dots; a row of small black dots along termen; hindwing pure 
white. Mhow, Bombay. 
76. Genus: Hygrostol.i gen. nov. 
Tongue present; frons with a rough narrow vertical ridge, and bearing a tuft of hair; palpi upturn¬ 
ed, the second segment roughly scaled in front, the third short; antennae of G thick, subserrate, 
with short ciliations; thorax rough haired; thorax and abdomen without crests; the latter elongate; fore¬ 
wing elongate, the apex prominent, subacute; termen obliquely curved; neuration normal. Type H. robusta 
Hmps. 
H. robusta Hmps. (20 k). Forewing pale olive brown tinged with reddish; the terminal area, 
except at apex dark brown; a diffuse blackish streak below base of cell; inner line blackish, oblique and 
diffuse; outer line very indistinct, lunulate dentate, the teeth forming points on the veins; subterminal 
line pale, preceded by a dark shade at costa and black suffusion below; claviform stigma with a black 
dot at its end; orbicular round, with blackish centre and incompletely edged with black; reniform defin¬ 
ed by black dots with a black lunule at centre and another on outer edge; median nervure towards 
end and the median nervules whitish; hindwing fuscous; fringe rufous traversed by brown lines near 
base and middle. Sikkim and Assam. A rare form, ab. pallescens ab. nov. — is pale olive ochreous 
with the dark reddish and fuscous shades almost obsolete. 
77. Genus: Tridentifrons Wan. 
Tongue absent; frons produced into a conical process ending in front in a trificl beak; the frons 
itself and the vertex rough haired; palpi porrect, the second segment densely rough-haired, the third 
short, rounded, depressed; antennae of $ ( ?), of $ lamellate, with short fine bristles; wings shaped as 
in Hygrostola ; neuration normal. Type T. insularis Warr. 
T. insularis Warr. (20 k). Forewing greyish ochreous, tinged in and below cell and along termen 
with brownish fuscous; a black streak from base below cell; lines very indistinct; the inner excurved 
above and below median vein, on which and on vein 1 it is inwardly dentate; outer line lunulate 
dentate, outcurved above round cell; cell brownish fuscous; orbicular stigma small, round, dark at centre 
with a pale ring; reniform limited internally by a pale lunule, followed by a dark one and extern¬ 
ally undefined; subterminal line pale but ill-defined, preceded by a row of curved blackish wedge-shaped 
