524 PROCEEDINGS OF THE NATIONAL MUSEUM voi,. loi 



Subgroup rV, TSILIENSIS 



Definition. — Australasian. Male palpi as in Subgroup I. Basi- 

 style with a prominent inner median tuft of scales. Claspette filament 

 bladelike, expanded. Scutum with a pale scaled area across the front 

 half, at least some separate pale scales before wing base (female un- 

 known). Ppn with the upper half covered with narrow pale scales. 

 Postspiracular scales absent. Fore tibiae with a dorsal white area at 

 the apex. Hind tarsi with a basal white spot and an apical ring on 

 I, a narrower basal ring on II. 



Supplementary characters. — Vertex dorsum narrow scaled. Preala 

 scaled below knob. Subspiracular area unsealed. Sternites without 

 outstanding or roughened scales apically. 



In/;luded species. — A. tsiliensis King and Hoogstraal. 



Subgroup V. UNICINCTUS 



Definition. — Oriental. Male palpi and basistyle as in Subgroup I. 

 Claspette filament bladelike, expanded. Scutum as in Subgroup III ; 

 however the anterior pale area is greatly reduced and fragmented 

 in female; in male the three pale areas are coalesced. Ppn with a 

 patch of broad scales. Postspiracular scales absent. Fore tibiae 

 M'ith a dorsal white area at apex. Hind tarsi dark except for a basal 

 white ring on I. 



Supplementary characters. — Preala scaled below knob. Subspirac- 

 ular scale patch present. Some of the sternites with outstanding or 

 roughened scales apically. 



iTwluded species. — A. umcinctus Edwards. 



Subgroup VI, SEOULENSIS 



Defimition. — Palaearctic. I^Iale palpi and basistyle as in Subgroup 

 I. Claspette filament somewhat bladelike in lateral view. Scutum 

 with anterior half pale scaled, this connected with pale scaled area 

 before wing bases and not of a different color from lattei- area. Ppn 

 with narrow curved white scales. Fore tibiae with the apex not 

 pale scaled anteriorly. Hind tarsi with broad basal bands on I-III, 

 narrow apical bands on I-II, a few pale scales basally on IV. 



Supplementary characters. — Vertex dorsum broad scaled (narrow 

 ones along ocular margin and on nape). Freala scaled below knob. 

 Subspiracular scale patch present. Sternites without outstanding or 

 roughened scales apically. 



Included species. — A. semilensis Yamada. 



