COLLECTED IN DUTCH NEW GUINEA. 349 
Subfamily Achiline. 
Genus Ruorana. 
Rhotala Walk. Journ, Linn. Soc. Lond., Zool. i. p. 152 (1857). 
A Malayan and Papuan genus, 
59. RHOTALA ALBOPUNCTATA, sp.n. (Pl. XXXIV. figs. 1,14.) 
Body and legs pale castaneous brown, abdomen above greyishly tomentose ; tegmina 
brownish ochraceous, with darker mottlings especially on costal membrane, on disk 
some castaneous patches containing two or three white spots, the apical area paler and 
less mottled ; wings milky white, the venation ochraceous ; face centrally and laterally 
carinate, much longer than broad, narrowed anteriorly; clypeus centrally carinate ; 
vertex of head centrally excavate; pronotum with the disk raised and tricarinate and 
continued above base of head to near anterior margins of eyes ; mesonotum tricarinate ; 
tegmina narrow, three times as long as broad ; wings about twice as broad as tegmina ; 
posterior tibize with about six distinct spines. 
Long., excl. tegm., 12 mm. Exp. tegm. 22 mm. 
Upper Utakwa Valley, 5000-10,000 ft. 
Allied to the Bornean species, 2. delineata Walk. 
06. RHOTALA NEBULOSA, sp.n. (Pl. XXXIV. figs. 2, 2a.) 
Body and legs somewhat pale ochraceous; eyes and a spot at lateral anterior angles 
of pronotum castaneous; abdomen above more or less greyishly tomentose; face, 
clypeus, and lateral areas of sternum castaneous, anterior margin of face ochraceous ; 
tegmina greyish white with small fuscous speckles, large fuscous spots in costal 
membrane, some of which are posteriorly callous and stramineous, a large fuscous spot 
on disk containing two small stramineous callosities, two smaller fuscous spots near 
base, posterior claval margin smally spotted with fuscous; wings milky-white, the 
veins and apical margin ochraceous; face centrally and laterally carinate, much longer 
than broad, narrowed anteriorly ; clypeus centrally carinate ; pronotum with the disk 
raised, tricarinate and also transversely carinate near apex, anteriorly produced and 
almost reaching anterior margins of eyes; mesonotum tricarinate; abdomen above 
distinctly, centrally, longitudinally sulcate ; posterior tibie with about six distinct 
spines. 
Long., excl. tegm.,10 mm. Exp. tegm. 26 mm. 
Upper Utakwa Valley, 5000-10,000 ft. 
Subfamily Derbine. 
Genus HeEronax, 
Heronax Kirk. Rept. Stat. Haw. Plant. Assoc. pt. ix. p, 431 (1906). 
An Australasian genus. 
