BY ESBEN-PETERSEN. 57 



In the forewing, the crossveins in the costal area are simple, the 

 branches of radial sector not forming any straight line. In hind- 

 wing, two rows of cells betweed Cuj and hind margin 



Pseudo/ormicaleo Weele. 



7. Spurs as long as, or longer than, first four tarsal joints together 



Distohon Bks. 



Spurs shorter than first four tarsal joints together 8. 



8. Hind margin of the wings excavated; wings with lustrous markings.... 



Periclystus G erst. 



Hind margin of the wings not excavated ; wings without lustrous 



markings 9. 



9. Legs short, stout and strongly haired. Spurs strongly curved, and as 



long as the first three tarsal joints together FormicaUon. Bks. 



Legs rather long and slender, not strongly haired. Spurs shorter than 



the first three tarsal joints together 10. 



10. Abdomen long and slender, especially in S- I" forewing, Cu forks 



before origin of radial sector Macronemurus Costa. 



Abdomen of usual size. In forewing, Cu forks beyond the origin of 



radial sector ^ 11. 



11. Wings long and narrow. Legs ver}' slender. Each of second, third, 

 and fourth tarsal joints longer than broad. Spurs nearly as long as 



first and second joints united Dtndroleon Br. 



Wings broad or rather broad. Legs rather stout (when slender, the 

 wings are very broad). Second, third, and fourth tarsal joints not 



longer than broad. Spurs a little longer than first joint 



Glenoltoii Bks. 



12.Legs stout, short, and strongly haired. The bent branches of radial 

 sector form a straight line through the middle of the apical part of 



wi ngs ^ Acanthaclins Rbr. 



Legs rather slender, haired. No straight line through the middle of 



the apical part of wings .. 13. 



iS.In both wings, M and Cu^ unite long before tip of wings 



CallUtoleon Bks. 



M and Cu^ do not unite Myrmehon L. 



The Malayan genus Episahis Gerst., is not included in this 

 Table. 



ACANTHACLISIS. 



Rambur, Hist. Nat. Ins. Nevr., p.378(1842). 



The Australian species of this genus diflPer from the European. 

 African ones in regard to the shape of the spurs. In Acantha- 

 clisis occitanica, A. bcetica, and A. distincta, the basal part of the 

 spurs is broad, nearly straight; and forms, together with the 



8 



