BY K. J. TILLYARD. 725 



shewing no fear, and often hovering or flying slowly and grace- 

 fully to and fro within a yard or two of the net. 



(J. Total length 41 mm., abdomen 31 mm.; forewing 27 mm., 

 hindwing 26 mm. Wings very slightly suffused with pale 

 brown. Neuration black, bases slightly saffroned ; the space 

 between the subcostal and median nervures black for nearly 

 2 mm. at the base. Pterostiyma 2 mm., brown. MemhranuU^ 

 fore very narrow, 2 mm.; hind narrow, 3 mm., dull whitish. One 

 cross-nervule in basilar space, 2-3 in submedian; a conspicuous 

 white spot at the base of each wing. Nodal Indicator 1 10-1 1 6-7| 

 Head: Eyes bordered with white beneath. Occiput I 6-7 6-7| 

 very small, hairy, brown, with a cream-coloured triangle behind. 

 Vertex dark brown. Front deeply cleft, with a creamy oval spot 

 above on each side, extending downwards along the side of the 

 front. Clypeus and labrum brown, labium dull brownish. 

 Thorax: Prothorax very small, brown, touched with cream on 

 the collar. Meso- and metathorax hairy, dark chocolate-brown, 

 a pair of short straight humeral bars, cream-coloured, and less than 

 2 mm. in length; on each side a longer lateral bar of the same 

 colour; and lower dow^n, near abdomen, a triangular cream- 

 coloured patch. Interalar ridge touched with white. Notum 

 brown, a creamy spot on meso- and metascutum. Legs black, 

 bases of femora brown. Abdomen slender, 1-2 slightly 

 enlarged, 7-10 somewhat clubbed. Colour : 1, brown; 2, brown 

 with a pair of semicircular creamy spots. Rest of abdomen dark 

 brown shading to black, each of the segments 3-7 carrying a pair 

 of central dorsal spots, oval or suboval, of a beautiful very 

 pale greyish-blue colour; those of 3-5 touching along the dorsal 

 ridge; each spot crossed by a transverse black line in the supple- 

 mentary carina; 8, a pair of large oval spots similar to those on 

 3-7, but more than half the length of the segment; 9, a pair of 

 small round basal spots of the same colour; 10 sometimes carries 

 a more or less distinct basal band of cream marked with two very 

 small brown spots. The underside of 8 carries a conspicuous 

 patch of hairs; 9 with the testes whitish. Appendages: 

 Superior rather long, 3 mm., wavy, narrow sublanceolate, black, 



