376 Rev. T. A. Marshall's 3Ionograph of 
Table of Species. 
(2) 1. AMomeu red after the 1st segment, whicli 
is black ; 2nd and following segments 
cinctured with an obscure band in the $ ; 
apical segments of the $ obscure 1. ruficornis, Nees. 
(1) 2, Abdomen black or blackish ; 1st segment 
sometimes red, and the 2nd rufescent at 
the extreme base, in one species, curta, the 
whole body is testaceous, except the head 
and the apex of the abdomen. 
(6) 3. Third cubital areolet four times as long as 
the 2nd. 
(5) 4. Antennae entirely testaceous, 23-jointed in 
the 9 ( (? unknown) ; wings ciliate, with 
long hairs 2. fv.lvicornis, "Ral. 
(4) 5. Antennae blackish, with the two basal joints 
rufescent, 10-17-jointed, <J $ ; wings not 
conspicuously ciliate 3. compressa, Hal. 
(3) G. Third cubital areolet scarcely twice as long, 
rarely almost three times as long, as 
the 2nd. 
(8) 7. Wings whitish or lacteous; cubital nervure 
suddenly effaced at the end of the 2nd 
cubital areolet 4. concinna, Hal. 
(7) 8. Wings subhyaline ; cubital nervure advancing 
further than the end of the 2nd cubital 
areolet. 
(20) 9. First cubital areolet more or loss sensibly 
separated from the 2nd. 
(11) 10. Terebra as long as the abdomen, or almost as 
long as the body ; ^ doubtful 5. jaculans, Rah 
(10) 11. Terebra much shorter than the body. 
(13) 12. Eadial areolet not quite reaching the tip of 
the wing 6. maculipes, Hal. 
(12^ 13. Radial areolet reaching the tip of the wing. 
(15) 14. Length, If lines; antenna; 27-30-jointed ; 
spiracles of the metathorax visible, 
margined 7- prxcipua, Marsh. 
(14) 15. Much smaller, or very minute ; antennae 
13-15-2G-jointed; spiracles indistinct, not 
margined. 
(17) 10. Abdomen more or less reddish at the base, 
usually the 1st segment and base of the 
2nd reddish 8. fuscicornis, Hal. 
(16) 17. Abdomen entirely blackish, except in some 
uncertain varieties. 
(19) 18. Antennae of the $ 18-19-jointed (except in 
varieties) ; 22-24-jointed in the S 9. nervosa, Hal. 
(18) 19. Antennae of the $ 15-jointed ; $ unknown 10. insidiatrix, Marsh. 
(9) 20. First cubital areolet confounded with the 2nd. 
(22) 21. Body testaceous red, with the head and 
apiciil segments of the abdomen obscure ; 
radial areolet remote from the tip of the 
wing 11, curta, Marsh. 
(21) 22. Body black or blackish ; 1st abdominal seg- 
ment sometimes rufescent ; radial areolet 
reaching the tip of the wing 12. disfracta, Nees. 
The above table must be regarded as merely tentative, 
owing to the absence of several males, and the difficulty 
of discriminating even the females. The breeding of both 
