150 LEPIDOPTERA HETEROCERA 
not crested. Frenulum (in gf unknown) in 9 apparently entirely wanting. hindwing with marked costal 
expansion. Forewing with costa arched, apex not acute, termen faintly subcrenulate. gently curved, 
rather oblique, cell almost one-half, DC? vertical, DC? deeply incurved, strongly oblique posteriorlv, 
SC! from cell, anastomosing with C, SC? normal, well away from SC!, R! connate, R? from rather 
near Rl, M! approximated; hindwing quadrate, termen weakly subcrenulate, a smalltail at R?, tornus 
pronounced, with cell less than one-half, DC incurved, oblique posteriorly, C approximated to cell to 
near one-half, then moderately diverging, SC? short-stalked, R? from very near R!, M! stalked. 
Early stages unknown. 
The cf being unknown, and the unique Q of course not available for dissection, it is not possible 
to state with absolute certainty that the genus belongs in this vicinity, but its entire aspect suggests that 
itis probably a much more specialized development of CAysochloroma. The cf frenulum will almost 
certainly prove to be present. In any case the palpus, shape of wings, venation, etc., show that it has 
not the slightest connection with Emucrostes, with which Meyrick (working on the single character of the 
tibial armature) placed it, and we believe that Warren's genus Mesurodes, here provisionally adopted, will 
be found permanently necessary. 
Type of the genus : Mesurodes erichlora (Meyrick) — Eucrostis erichlora, Meyrick (1895). 
Geographical distribution of species. — ji. 
1. M. erichlora (Meyrick). Fip. 
Eucrostis erichlora, Meyrick, "Trans. Ent. Soc. Lond. p. 203 (1886). 
Mesurodes erichlora, Warren, Novit. Zool. Vol. 2, p. 89 (1895). 
106. GENUs PENTHEOCHLORA, NOV. GEN., PROUT 
Pentheochlora (Warren, MS ), nov, gen. Prout. 
Characters — Face smooth. Palpus in cf minute (shorter than diameter of eye), shortly rough- 
scaled (Q unknown). Tongue slender. Antenna in cf bipectinate nearly to apex, with longish branches. 
Pectus moderately hairy. Femora somewhat hairy. Hindtibia in cj not dilated, with terminal spurs only. 
Abdomen not crested. Frenulum in gj present, arising before basal expansion. Forewing with costa some- 
what arched, apex rather acute, termen straight, not very oblique. tornus pronounced, cell not shortened, 
I)C incurved, strongly oblique posteriorly, SC! from cell, anastomosing with C, SC? normal, anastom- 
osing with SC!, R! very short-stalked, R? from above middle of cell. M! widely separate; hindwing 
subquadrate, with apex roundly squared, termen bent at R3, otherwise straight, tornus pronounced, cell 
not shortened, DC markedly oblique posteriorly, C appressed to cell at a point near base, thence 
diverging moderately, SC? shortly stalked, M! remote from R*. 
Early stages unknown. 
A quite distinct genus, though not of very striking appearance. It is more specialized than the 
genera which follow, but we have placed it here on account of the number of characters it shares with 
Mesurodes. It can easily be regarded as a derivative of Gelasma. From Mesurodes it differs in shape, in the 
shorter approximation of C of hindwing to the cell and in the wide separation of M! of both wings. The 
ew other genera in our Group V with minute palpus and two spurs (N'eromia, Pseudhemithea, Prosomphax, 
Progonodes) differ essentially from PentAeochlora in antennal structure, abdominal crests, stalking of M! of 
hindwing or other characters. 
Tyne of the genus : Penteochlora uniformis (Hampson) — T Ahalera uniformis, Hampson. 
