EXOPEOSOPA. 19J. 



3(a). Wings wholly black or blackish brown, 

 or with a very small clear spot only .... 4. 



(6). Wings clear, with a broad basal and 

 median transverse band, the latter some- 

 times reaching hind border, both bands 

 joined on the costa ; a somewhat isolated 

 species l ar , F., p. 194. 



(c). Wings dark or light grey, yellowish, or 

 nearly clear; always with a pattern of 

 darker marks, with small infuscations, or 

 with baso-costal band 5. 



(d). Wings clear, or at most with a very 

 narrow dark anterior margin 12. 



4. Hind tibiae with dense black hairs penntpes, Wied., p. 197. 



Hind tibiae without such hairs latipennis, Brun.,p. 198. 



5. Second posterior cell twice as wide at base 



as tip lateralis, Brim., p. 198. 



Second posterior cell as wide at tip as at 

 base or wider 6. 



6. Baso-anterior half of wing considerably 



dark, with or without small infuscations 



on the veins in the clear part 7. 



Baso-anterior half of wing barely darker 

 than the pale grey remainder; slight 

 suffusions only on some of the veins .... 11. 



7. Abdominal ground-colour chestnut-brown ; 



antennae yellowish ; legs brown ; no abdo- [p. 199. 



minal white scale-spots annandalei, Bruu., 



Abdomen and antennae black 8. 



8. Dorsum of abdomen with white scale-spots 9. 

 L>orsurn of abdomen without white scale- 

 spots 10. 



9. Larger species, 14 mm. ; aatennal style [p. 200. 



normal maculiventris, sp. n., 



Smaller species, 8 mm. ; antennal style as 

 long as 3rd joint stylata, sp. u., p. 201. 



10. Clear part of wing with several isolated dark 



spots insulata, Walk., p. 203. 



Clear part of wing without any isolated 

 dark spots puerula, sp. n., p. 205. 



11. Scutellum and antennae black; all the 



abdominal segments with a band of yel- [p. 206. 



lowish white pubescence benyalensis, Macq., 



Scutellum and antennae reddish yellow or 

 brown ; the 2nd abdominal segment with 

 basal band of whitish pubescence* .... brahma, Sch., p. 206. 



12. Length 20 mm niveiventris, Brun., 



Length 7-10 mm 13. [p. 207. 



13. Antennae reddish brown ; pubescence on 



anterior margin of thorax whitish ; scu- 

 tellum all black; wing wholly clear; 

 venter with small snow-white scales at [p. 209. 



bases of segments , vitripennis, Brun., 



Antennae black ; thorax with bright yellow 

 thick scale-like pubescence; scutellum 



* After Schiuer; E. bengalensis and brahma may possibly be synonymous. 



