Explanation of Plate LXXIX. 



Fig. 1. Theganopteryx fantastica, Shelf. — Abdomen of <$ from 

 above, showing the long process of the first abdominal 

 tergite. 



2. Theganopteryx nitida, Borg.— Apex of abdomen of $ from 



above. 



3. Theganopteryx nitida, Borg. — Wing. Note the distorted 



ulnar vein. M.D. = medio-discal area. M.U. = medio- 

 ulnar area. 



4. Theganopteryx gambiensis, Shelf.- — Wing. Note the ulnar 



vein impinging on the apical triangle and failing to reach 

 the outer margin of the wing. 



5. Theganopteryx notata, sp. n. — Apex of abdomen of <$ from 



above. 



6. Theganopteryx lucida, Br. — Apex of abdomen of £ from 



above. 



7. Theganopteryx lucida, Br. — Wing. Note ulnar vein similar 



to that of T. gambiensis. 



8. Hemithyrsocera massuae, Sauss. & Zehnt. — Apex of abdomen 



of £ from above. Note the horseshoe-shaped left style. 



9. Hemithyrsocera massuae, Sauss. & Zehnt.— Apex of 



abdomen of <$ in profile view. 



