162 
EXOTIC MICROLEPIDOPTERA. 
interrupted in disc, second from tornus along termen to costa near 
apex : cilia light yellowish, sprinkled dark grey towards base on 
tornus. Hindwings pale grey ; cilia whitish-yellow. 
Assam, Khasis, May, June, October, also taken by Mr. T. B. 
Fletcher at Cherrapunji; 14 ex. A former record of pliilocoma 
from Assam was erroneous, and related to this much larger 
species ; my series of philocoma is entirely from the original locality. 
PETALOTHYRSA, n. g. 
Head with appressed scales, sidetufts somewhat raised; ocelli 
posterior ; tongue developed. Antennae |, S strongly fasciculate- 
ciliated, scape moderate, stout, without pecten. Labial palpi long, 
recurved, second joint thickened with rough scales beneath, terminal 
joint as long as second, scaled, slightly roughened anteriorly, 
pointed. Maxillary palpi rudimentary. Posterior tibiae loosely 
haired above. Forewings with scaletuft forming rough projecting 
median dorsal tooth ; 2-5 approximated from angle, 6 and 7 
remote, 7 to termen, 8 to costa, 8-10 remote, 11 from towards base. 
Hiudwings f, elongate-ov^ate, cilia nearly 1 ; 2 from f, 3 and 4 
stalked from angle, 5 from middle of transverse vein, 6 and 7 long- 
stalked. 
A curious and interesting form, abnormal in some respects, yet 
cannot be placed elsewhere. 
Petalothyrsa microphthalma, n. sp. 
c? . 8 mm. Head whitish, sides of crown slightly speckled 
dark fuscous. Palpi whitish, second joint with some black specks, 
terminal joint with extreme base and a subapical ring speckled 
blackish. Thorax whitish slightly speckled dark fuscous. Fore¬ 
wings elongate, costa slightly arched, apex obtuse, termen obliquely 
rounded; whitish closely speckled brown; slight dark fuscous 
marks on costa at base and ± ; a rather broad direct brown median 
fascia, anteriorly mixed blackish on costa and on dorsal half, 
towards dorsum these scales rough and forming a projecting tooth; 
a black discal dot ringed white just beyond this ; posterior half 
irregularly suffused brownish on dorsal half with some irregular 
black scales posteriorly : cilia light brownish, two shades of dark 
fuscous speckling. Hindwings grey, thinly scaled and subhyaline 
in disc anteriorly ; cilia light grey. 
Brazil, Manaos, November (Parish); 1 ex. 
. ‘ LYONETIAD2E. 
Opostega monosperma, n. sp. 
6 . 7 mm. Head, thorax shining white, crown shortly rough¬ 
haired. Forewings shining white; a minute black apical dot: 
cilia white. Hindwings and cilia white. 
Brazil, Rio Preto, Baquerao ; 1 ex. (Vienna Mus.). 
