Odonaia from New Caledonia. 59 



space 1^ ; in cubito-anal space ^I ; iu supertriaiigle j— f ; and 

 in bridge space ^. Arculus slightly bowed towards base of 

 wing, arising between third and fourth antenodals. Dis- 

 coidal area in fore wings commencing with four cells, 

 followed by two rows of cells as far as the level of base of 

 bridge. Discoidal area in hind wings first with two large 

 cells and then with about four double cells before the multi- 

 plied rows of cells begin. Anal loop in hind wing double, 

 the primary (distal) enclosure containing eight to nine cells 

 and the secondary (proximal) enclosure four cells. 



Legs dark reddish brown ; coxse, femoi'a internally, and 

 tibial keels creamy [hind legs missing] . 



Abdomen somewhat fusiform ; a little constricted at 

 segment 3 and between segments 8 and 9. Auricles and 

 segment 1 dark reddish brown. Segments 2-10 black, with 

 creamy or yellow markings as follows : — On 2 a pair of 

 rounded spots, almost central in position ; on 3-8 a pair 

 of basal spots, forming more or less of a ring, except on 8, 

 where they are much reduced and wider apart, and a pair of 

 somewhat rounded spots near the middle, becoming pro- 

 gressively smaller, more transversely linear, more widely 

 separated, and more retracted towards the base of the 

 segment. 



Upper anal appendages (fig. 10) a little over 5 mm. long ; 

 in dorsal view slightly divergent in the basal half, then more 

 shar|)ly convergent, and ending by the tips becoming dilated, 

 parallel, and almost iu contact with one another; fuscous in 

 the first three-fifths and whitish beyond : in lateral view 

 depressed and dilated ventrally in the middle. Lower 

 appendage about half as long as the upper appendages, 

 almost straight, pointed, abruptly reduced in thickness, 

 dorso-ventrally, towards the apex, glossy black. 



? (allotype), Mt. Nekando, 23. v. 14. 



Length of abdomen 44 mm. ; hind wing 38 mm. 



Labium : lateral lobes blackish, with the outer margins 

 yellow ; median lobe yellowish. Labrura glossy black, with 

 a transversely elongated yellowish spot opposite the clypeus. 

 Clypeus yellow, with some black markings in the central 

 ai'ea of the postclypeus. Frons hairy, glossy black, with 

 a pair of large rounded yellow spots. Vertex hairy, glossy 

 black. Antennas black, with the articulations pale brown. 

 Occipital triangle hairy, glossy black. 



Prothorax chocolate-browu, widely bordered with yellow 

 anteriorlv. 



