22 



XOCTUIDJC. 



Genus AILEOPTERA. 



Type. 



Arteopteron, Hmpsn. 111. Het. B. M. ix. p. 136 (1893) pictalis. 



Essonistis, Meyr. Trans. Ent. Soe. 1902 (Apr.), p. 3(1 micraola. 



Thelxinoa, Turner, P. Linn, Soc. N. S. W. xxvii. p. 131 (Aug. 



1902) epiphracta. 



Proboscis fully devploped; palpi upturned, the 2nd joint reaching to vertex 

 of head and moderately scaled, the 3rd moderate; frons smooth ; eyes large, 

 round; antennae with slight tufts of scales from the joints and tuft of scales 

 from basal joint; thorax clothed almost entirely with scales and without 

 crests; tibiae smoothly scaled, the spurs long; abdomen typically without 

 crests. Fore wing narrow, the apex rounded, the termen obliquely curved and 

 not crenulate ; veins 3, 4 stalked ; 5 from just above angle of cell ; 6 from 

 upper angle; 7, 8, 9, 10. 11 stalked. Hind wing with veins 3, 4 shortly 

 stalked; 5 nearly fully developed from middle of discocellulars ; 6, 7 shortly 

 stalked ; 8 anastomosing with the cell near base only. 



Sect. I. Abdomen with slight dorsal crests towards extremity. 



5005. Araeoptera acidalica, n. sp. 



d . Head, thorax, and abdomen white, the last faintly tinged with 

 rufous and with the slight dorsal crests black towards extremity. 

 Fore wing white faintly tinged with rufous ; subbasal, antemedial, 



Fig. 9. — Araoptcra acidalica, $ ■ 



and medial black points on costa ; a black discoidal striga and faint 

 oblique rufous line from lower angle of cell to inner margin ; 

 postmedial line indistinct, white, defined on inner side by slight 

 rufous suffusion and by some black at inner margin, strongly bent 

 outwards below costa, then oblique; some white points with pale 

 rufous between them beyond it on costa ; a faint rufous subterminal 

 shade ; a terminal series of black points. Hind wing white faintly 

 tinged with rufous ; a black discoidal point ; a faint oblique sinuous 

 rufous medial line ; postmedial line white, defined on inner side by 

 a rufous shade and some black scales, oblique ; a faint rufous 

 subterminal shade ; a series of rufous and black terminal points 

 defined on inner side by white ; the underside white with minute 

 black discoidal point and diffused brownish postmedial line. 



Hah. Jamaica, Moneague ( Walsingham), 1 6 type. Exp. 

 10 millim. 



