490 NOCTUID MOTHS 



Antenna weakly serrate, with long curved bristles. Fore wing 

 broad, strongly truncate at apex, with termen and hind 

 margin both well rounded, costa with a very narrow fold 

 ending at the truncation of apex ; almost uniform fuscous- 

 brown, the scales easily removed, leaving irregular whitish 

 spots and patches. Hi)id icing whitish tinged with pinkish- 

 brown (especially towards termen), with indistinct discal 

 spot and a very weak, curved postmedial line placed very 

 near to the disc ; a slight dark terminal line. Underside of 

 fore wing much paler than above with slight discal lunule ; 

 hind wing soinewhat more strongly darkened than above, 

 with darker discal spot. 



Mt. Murud, 6500 feet, November— 4 cf ; 6000-6500 feet, 

 November — 2 cf. 



After earnest consideration it has seemed to me possible to 

 place this species in HydriUodes, on the strength of the 

 general similarity (except in breadth and shape of fore wing', 

 and the fact that SC''-* of fore wing appear to be coincident 

 throughout. Pertruncata should however belong at least to 

 a distinct subgenus, characterised by the broader fore wing 

 and especially, by having M^ from the cell, not stalked, 

 and E^.R'' only very shortly stalked instead of on a long 

 .stalk as, in typical HydriUodes. 



112. Genus Echanella Beth. Bak. 



This genus is near to HydriUodes but is at once separable 

 on the following characters. Palpus, head and thorax with 

 a strong metallic i:)urplish gloss on the scaling, the metathorax 

 with a small metallic crest, cf fore wing with SC^, SC* 

 stalked (not coincident) ; cf antenna with the shaft distorted 

 at about 2/5. Fore wing in both sexes with M^ from the 

 cell (not stalked with 'R^W), R', W typically from cell, 

 stalked in one section (subgenus?) hind wing with long- 

 anastomosis to or to just beyond middle of cell. 



Type: Adrapsa albibasalis HoU. (O) Nov. Zool., vii, p. 572, 1900, Buru. 

 = NodaTia rugosa HoU. (C5') Zool., vii, p. 575, 1900, Buru. 

 = HydriUodes funerea Beth. Bak. (9) Nov. Zool., xv, p. 214, 



1908, Br. N. Guinea. 

 = EchancUa purpurea Beth. Bak. (Cf) Nov. Zool., xv, p. 216. 

 1908, Br. N. Guinea. 



