COLLECTED IN DUTCH NEW GUINEA. 349 



Subfamily Achilinse. 

 Genus Rhotala. 

 Rhotala Walk. Journ. Linn. Soc. Lond., Zool. i. p. 152 (1857). 

 A Malayan and Papuan genus. 



.55. Rhotala albopunctata, sp. n. (PI. XXXIV. figs. 1, 1 a.) 



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 tibiae 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, B. deliiifiata Walk. 



56. Rhotala nebulosa, sp. n. (PI. XXXIV. figs. 2, 2 a.) 



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 tibiae with about six distinct 

 spines. 



Long., excl. tegm., 10 mm. Exp. tegm! 26 mm. 



Upper Utakwa Valley, 5000-10,000 ft. 



Subfamily Derhinaa. 

 Genus Herokax. 

 Heronax Kirk. Kept. Stat. Haw. Plant. Assoc, pt. is. p. 431 (1906). 

 An Australasian genus. 



