254 ON SOME LEPIDOPTERA FROM THE FLY RIVER, 



Pachyarches, Ld. 



19. Pack, psittacalis, Hb. 



( Margarodes psittacalis, Hb. Zut. 523, 524, Gn, 308.) 

 One specimen ; also from Marshall Islands, North Australia, 

 Celebes, China, India, and South Africa. 



Archernis, n. g. 



Face rounded, somewhat oblique ; ocelli present ; tongue well- 

 developed. Antennae J, in £ shortly ciliated (J), slightly sinuate 

 below middle, with a short streak of rough scales on back below 

 sinuation. Labial palpi moderate, straight, porrected, second joint 

 with dense projecting scales beneath, terminal joint short, cylin- 

 drical, subtruncate, exposed. Maxillary palpi moderate, filiform. 

 Abdomen in £ with small anal tuft, valves retracted. Posterior 

 femora fringed with fine hairs beneath, posterior tibia? with spurs 

 all long and nearly equal. Forewings with veins 8 and 9 stalked, 

 10 closely approximated to 9, 11 very oblique. Hindwings as 

 broad as forewings ; veins 3, 4, 5 approximated at base, 6 out of 7 

 near origin, anastomosing with 8 to A. 



Nearest to Semioceros. 



20. Arch, callixintha, n. sp. 



£. 25 mm. Head and antenna? yellow, face dull brownish- 

 crimson. Palpi fuscous, oblique lower half white. Thorax yellow, 

 shoulders, a central dot, and a posterior spot dull crimson. Abdomen 

 yellow, rings at \ and ^, a subapical dot, and sides of two apical 

 segments dull crimson. Legs above pale yellow, apical half of 

 anterior tibiae, apex of anterior tarsi, and basal third of middle 

 tibia? dark fuscous, beneath wholly white. Forewings rather 

 elongate-triangular, costa straight, towards apex gently arched, 

 apex obtuse, hind margin obliquely rounded ; bright clear brassy- 

 yellow ; costa suffusedly orange-ochreous, costal edge dark fuscous ; 

 a dull crimson spot at base of costa ; a minute white dot, margined 

 with dark fuscous, beneath costa near base ; a dull crimson dot on 

 inner margin at 5 ; first line slender, ochreous-bi own, from towards 



