50 



Procecdinfjs, 1922 



15. Fore femur in both sexes 

 slender. 



16. Head no more than 

 one - quarter longer 

 than broad, cf. Gyn- 



aikothrips Zimm 



16. Head at most two- 

 thirds longer than 

 broad. 



17. Tube nearly as 

 long or longer 

 than the head. 

 .... Gynaikothrips 

 Zimm 

 17. Tube clearly 

 shorter than the 

 head. 



18. Antennae less 

 than twice as 

 long as the 

 head. cf. Gyn- 

 . . aikothrips 

 Zimm 

 18. Antennae 

 about twice 

 as long as 

 the head. 

 19. M r e 

 than 

 10 fring- 

 es. Dark 

 with out 

 much 

 1 i g h t er 

 colouring. 

 .. Hoodia 

 Karny 

 19. Less than 

 10 fring- 

 es. Red- 

 disli yel- 

 1 w or 

 partly 



