59 



Male. 



4 



iComb of epistoma sesail . . P. minutus Oudms. 

 Comb of epistoma with long 

 peduucle 2. 



( Article 4 of palp ventrally with 



l { big tubercle P. siculus Berl. 



I Article 4 of palp unarraed . P. pectinifer (G. et R. Can.). 



Female. 



iConib of epistoma sessil . . P. minutus Oudms. 

 Comb of epistoma with long 

 peduncle 2. 



!Genu and tibia2 without tubercle P. pectinifer (G. et R. Can.). 

 Genu and tibia 2 with tubercle 

 ventrally P. siculus Berl. 



11. Key to the genera of Parasitinae, 



Free in moss, decayed leaves, or else- 



where; shields well chitinized. . . 2. 

 Parasitic on vertebrates ; skin soft , 



scarcely shielded 12. 



9 ventral shield not fused with genital 3. 

 9 ventral shield fused with genital, not 



with anal 11. 



9 genital shield triangular, anteriorly 



pointed, fitted in incisecl sternum . Parasitus Latr. 



9 genital shield otherwise 4. 



[ 9 genital shield with rounded anterior 



margin, parallel to rounded posterior 



margin of sternal shield .... 5. 

 9 genital shield alinost hexagonal, an- 

 teriorly truncated 10. 



Legs 1 with ambulacrum 6. 



Legs 1 without ambulacrum .... 9. 



