BLEPTINA. — MESOPLECTEA. 
65 
Bleptina aegrota. (Plate LVII. fig. 1.) 
Primaries whity brown, erossecl by four equidistant irregularly sinuated whitish-bordered 
black lines; costa greyish; external area broadly dark grey; a marginal series of subconfluent 
jet-black spots ; fringe whitish, traversed by two series of slaty-grey spots ; reniform spot out- 
lined in black : secondaries greyish, growing darker towards the outer margin ; two whitish- 
bordered irregular black lines from the abdominal margin to the radial vein ; margin and 
fringe nearly as in primaries : body whity brown. Primaries below pale brown : secondaries 
sordid white; all the wings with black discocellular spots; a spot in the cell, two irregular 
macular discal lines, a marginal series of black spots, and fringe spotted as above with grey : 
body whitish. Expanse of wings 11 lines. 
Yokohama {Jonas ) . 
BOCANA, Walker. 
Bocana tristis. (Plate LVII. fig. 2.) 
Slaty grey : primaries much darker than the secondaries ; costal border, apical half of 
fringe, and some spots on the other half blackish ; two widely separated denticulated black 
central lines, and a black >-shaped discocellular marking ; a blackish transverse discal streak : 
secondaries darkest at outer border ; a feeble indication of a blackish submarginal line : body 
corresponding in colour with the wings. Under surface paler, more uniform in colour : wings 
with a marginal series of jet-black spots ; two dusky discal lines, the outer one margined 
externally with white. Expanse of wings 1 inch 4 lines. 
Yokohama [Jonas). 
MESOPLECTEA, g. n. 
Allied to Bocana, but the antennae pectinated on both sides, each pectination terminating 
in two curved hairs, one longer than the other ; the centre of the antennas slightly swollen 
and armed with two short incurved spurs ; palpi long and curved backwards to a point parallel 
with the back of the head ; anterior tibiae very broad and flattened, but with no pencil of 
bristles. Type M. lUacina. 
Mesoplectra lilacina. (Plate LVII. fig. 3.) 
Primaries lilacine grey ; central belt indicated by two widely separated irregular dentate- 
sinuate dark brown lines, the outer one bounded internally by a rather wide band of paler 
brown, upon which (from the discocellulars downwards) is a dark brown denticulated line 
parallel to the outer line of the central band ; a black > -shaped discocellular marking ; outer 
border bounded internally by a very irregular zigzag diffused blackish line ; a marginal series 
of triangular black spots : secondaries pale smoky brown, with traces of two darker discal 
lines ; a very slender dark marginal line ; fringe whitish ; body corresponding in colour with 
K 
