AGRICULTURAL RESEARCH IttSTITUTE

120 C.AT.4.LOGtlE Oll'
1. SYBBATIS TIPtlLJFOBMIS.
Frem. Fu'CI!.cente-ciflWlJa; caput, thor/S31 et aZCII ahticCII apucl
coatam jmcelcente-cBf'tJi'lu.B.
F('11Ialll. Brownish ciDereous. Head, thorax and fore Wings
along the oosta brownish fawn-colour. Winll's without markings.
Length of the borly 9 lines; of the wings 12 lines.
Sarawak, Bomeo. In AIr. ~aundel's' collection.
Genus 68. THIALLELA.
Mas. Corpus sat robllstum. Probosois obsoleta. Pal~i validl,
Ili1,si, 8uhasot'Drlentes, capitis latitndine bl'eviores, pemoillia
duohus bnsalibus; articulus 3U8 minimus. Anlennm robusllD, sub­
Borrntm j articuli I us: et 2us longi, inorassati. Abdomell alas poamOIls
vilt Buperans, apice suhcompl'essum. Pe(les ,'alidi, squamosi,
oaloaribus breviusculi. AIm antio:e angustm, apice rotundatlB,
margiue exteriore CODvexo subobliquo.
Male. Body moderately stout. Probosois obsolete. Palpi
stout, piloqe, slightly ascendillg, sborter t]lan the breadth of tlie
bead, futnisbed on each side at the base with a penioillale tul't of
hairs; tbir(1 joint extt'emely short. AntenlllB stout, vory minutely
serrated i first and second joints long, incr.lssated. AbdomeD hardly
extending beyond the hind wings, slightly COmllrE'ssed at the tip;
apical tuft small. LellS stout, squamous, Dllt long i hind tlbilB with
ffil1r rather shlJl't spurs. Fore wings na1'l'0W, rounded at the lips;
OOsta straight; exterior border oonvex, slightly Oblique.
1. TUIALLELA SlGNIFEllA.
Mas. Pallide eer1Jina; alCII antic(/." 'Ilia: nig," eonsperstlI, linea 8ubfllarginali
nigt'ioante ulldulata indetet,tnino.ta, p"uu:tis mat'­
ginalibull tliuris; pa&tietll o.lbidfll, 8ubliuatinCII, costa cervina,
linea margillali jusCf8centll.
Male. Pale fawll-colour. Fore wings with very few blaok
speckles; Rubmarginal line blackish, nndulating, vel'y iudistinot;
marginal points black, very minute. Hind wings whitish, slightly
hyaline; costa pale I'awn-co)our; margillalliue bl'ownibh. Length
of the 110dy 4 lines i of tbe wings 10 lines.
Sarawak, Borneo. In l\:fr. Saunders' collection.