418 



Acarology 



Zetorchestidae Michael, 1898 



Figures 351, 352 



Diagnosis: Leg iv is adapted for jumping. This leg is directed for- 

 ward when the mite is dead. There are no pteromorphs. 



Figure 351 Zetorchestes micronychus 

 Berlese. Dorsum of female. (After 

 Berlese 1883) 



Genera: 



Figure 352 Zetorchestes micronychus 

 Berlese. Venter of female showing leg 

 IV arrangement. (After Berlese 1883) 



1. Zetorchestes BerlQse, ISSS 



Type. Carabodes micronychus Berlese, 1883 



2. Zetorchella Berlese, 1916 



Type. Zetorchella pedestris Berlese, 1916 



Gustaviidae Willmann, 1931 



Figures 353, 354 



Diagnosis: The chelicerae are 

 long, narrow, knifehke, and saw- 

 hke on the distal end. There are 

 no pteromorphs. 



u. 



Figure 353 Gustavia microcephala 

 (Nicolet). Dorsum of female. (After 

 Berlese 1884) 



Figure 354 Gustavia microcephala 

 (Nicolet). Chelicera. (After Berlese 

 1884) 



