84 



36. Key to the genera of Tyroglyphinae. 



' ( Mandibles chelate 2. 



' Mandibles not chelate 23. 



i Maxillar palp common 3. 



' Maxillar palp clavate distally . . . .22. 



!Claws of legs 1 and 2 distal .... 4. 

 Claws of legs 1 pedunculate and inserted 



on side of tarsus 21. 



( cf without anal suckers 5. 



4 ) 



1 cf with anal suckers 12. 



("without genital suckers Hericia Can. 



5 ) 



I 9 with genital suckers 6. 



(Q without copulation-tube 7. 



f Q with copulation-tube 11. 



(Cephth. and Abd. separate Saproglyphus Berl. 



(Cephth. and Abd. fused 8. 



> Epimera 2 free 9. 



'Epirnera 2 joined to epimera 1 . . .10. 



!Edge of vertex common Dermacaras Hall. 

 Edge of vertex with chitinous band with 



a sucker on each end Trichotarsus Can. 



10 Only one genus Carpoglyphus Robin. 



(Cephth. common Glycyphagus Hering. 



Cephth. with 2 high ridges Labidophorus Kram. 



(Cephth. and Abd. separate 13. 



f Cephth. and Abd. fused 20. 



tcflegs 1 common 14. 



'cflegs 1 thick and armed with thorn . 19. 



!Anus and anal' suckers common . . . 15. 

 Anus and anal suckers surrounded by 



chitinous ring 18. 



t Legs 4 of r? without suckers .... 16. 

 15 ö ö 



(Legs 4 of ^ with suckers 17. 



< ^ Abd. common Hypopus Duj. 



( cf Abd. with post. chitinous plate . . Histiogaster Latr. 



"1 



