396 Eev. T. A. Marshall's Monograph of 
(6) 6, Abdomen rufous with the 1st segment black- 
isli and the 2nd piceous ; radial areolet 
almost reaching the tip of the wing . 
(6) 6. Abdomen entirely black ; radial areolet remote 
from the tip of the wing. 
(8) 7. Eadial nervure slightly sinuated before the 
extremity 
(7) 8. Eadial nervure forming a regular parabolic 
curve, not sinuated. 
(10) 9. Metathorax carinated ; antennse about 36- 
jointed ; 2nd discoidal areolet imperfectly 
closed on the outer side ; length, 2 lines ... 
(9) 10. Metathorax not _ carinated ; antennae 28- 
jointed ; 2nd discoidal ' areolet completely 
closed; length, 1| lines 
(4) 11. Second abdominal segment entirely smooth, 
like all the following. 
(15) 12. Legs black, with only the knees, the tarsi, 
and the fore tibiae more or less testaceous 
or brownish. 
(14) 13. Antennse longer than the body, 25-jointed 
in the $ , 31-jointed in the ^ ; stigma 
elongate, rather stout, acuminate at the 
outer end, black like the nervures ; radial 
areolet longer than the prsebrachial ; 
radial nervure very faintly sinuated ... 6, tristis, Nees. 
(18) 14. Antennae of the $ not longer than the head 
and thorax, 15-17-jointed, those of the $ 
almost as long as the body, 21-jointed; 
stigma short, stout, obtuse at both ends, 
testaceous or pale brown like the nervures ; 
radial areolet not longer than the praebra- 
chial ; radial nervure sinuated 7. ampUator, Nees. 
(12) 15. Legs entirely testaceous, or at most the hind 
femora partly black, and the 4 anterior 
sometimes streaked with black. 
(19) 16. Large species, about 2^ lines long ; antennae 
36-49-jointed. 
(18) 17. Abdomen spatulate, 1st segment linear, about 
3 times as long as the hind coxae ; antennae 
44-49-jointed ; the largest species 8 petiolata, Nees. 
(17) 18. Abdomen oblong, 1st segment linear, about 
twice as long as the hind coxae j antennae 
36-jointed. 9. egregia, Marsh. 
(16) 19. Smaller species ; antennae of the 5 usually 21- 
35-jointed, but 40-jointed in lateralis and 
42-jointed in cincta; those of the ^ 21-37- 
jointed, but 40-jointed in senilis, and 43- 
jointed in lateralis. 
(23) 20. Stigma thicker than the length of the 1st 
abscissa. 
(22) 21. Stigma dark ferruginous, more than 4 times 
as long as broad ; recurrent nervure hardly 
rejected ; 2nd discoidal areolet oblong ... 10. temula, Hal. 
(21) 22. Stigma blackish, scarcely 3 times as long as 
broad; recurrent nervure sensibly rejected ; 
2nd discoidal areolet short, quadrate ... 11. macrospila, Hal. 
(20) 23. Stigma not so thick as the length of the Ist 
abscissa. 
(25) 24. Metathorax and 1st abdominal segment 
covered with dense pubescence, concealing 
the sculpture of the surface ; hind femora 
blackish , or streaked with blackish on the 
upper edge 12. senilis, Nees. 
2. phaenicura, Hal. 
3. talaris, Hal. 
4. semirugosa, Hal. 
5. striatula, Hal. 
