116 



Rev. T. A. Marshall's monograph of 



(6) 7. Hind tibiffi black or blackish at both 

 ends (the base often only annulated 

 with fuscous), rufous in the middle ; 

 1st joint of the hind tarsi wholly fus- 

 cous. Length, 1^, seldom 2 lines ; 

 middle-sized spp. 

 (9) 8. Antennas more than 30-jointed ; frontal 

 fovea smooth, shining, deep, gemi- 

 nated by a carina 

 (8) 9. Antennffi 27-jointed; frontal fovea rugu- 

 lose, dull, nearly obsolete, not gemi- 

 nated or carinated 

 (5) 10. Squamulffi testaceous. 

 (12) 11. Face not remarkably pubescent 

 (11) 12. Face almost concealed by dense whitish 

 pubescence 

 (4) 13. Third abscissa of the radius of the fore 

 wing straight ; radius of the hind 

 wing (after its basal flexure) straight 

 or nearly so. 

 (15) 14. Antennfe 32-jointed, much longer than 



the body ; length, 1^ lin. 

 (14) 15. Antemife 23-jointed, not longer than the 

 body ; length, 1^ lin. 

 (1) 16. Abdomen furnished with an apical fis- 

 sure. 

 (18) 17. Apical fissure 10 times broader than 

 long, its shining edges produced along 

 each side of the abdomen . . 

 (17) 18. Apical fissure not so much broader than 

 long, not 25roduced along the sides of 

 the abdomen, ovate, reniform, or sub- 

 orbicular ; small spp. 

 (20) 19. Prothorax much produced, forming a 

 distinct neck . . 

 Prothorax as usual. 

 Antenntu 27 — 30-jointed 

 Antenna) 20 — 24-jointed. 

 Apical fissure about 3 times broader 



than long, reniform . . 

 Apical fissure subcircular. 

 Head transverse ; cheeks not dilated . . 

 Head subcubical ; cheeks dilated 



(«) 



4. carbonator, n. s. 



6. corvulus, n. s. 



8. dispar, n, s. 



9. caiiesce7is, Wesm. 



10. 



11. 



catubis, n. s. 

 pusio, n. s. 



12. risorius, Keinh. 



13. 



14. 



secutor, n. s. 

 jMrcicornis, Schaff. 



15. sulcatus, Nees. 



16. 

 17. 



latruHculus, n. s. 

 exilis, n. s. 



Females. 



1. Antenna; with more than 16 joints. 



2. Hind tibiae rufous, generally tipped with 

 black, but not black or annulated with 



darker colour at the base ; 1st joint of 

 the hind tarsi broadly rufous at the 

 base. Length, 2| lines ; largest sjjp. 



3. Costa and parastigma fuscous ; antenna' 



shorter than the body ; frontal fovea 

 not shining, rugose like the rest of 

 the head. 



