Trombidijormes 



191 



on the propodosoma. The propodosoma and hysterosoma are usually 

 separated by a distinct suture. The legs are five- or six-segmented and 

 the tarsi have short pretarsus, two claws, and haired pulvillus (leg i 



Figure IW Tydeiis starri Baker. Lat- 

 eral view of chelicera and dorsum of 

 female. 



Figure 131 Tydeiis starri Baker. Ven- 

 ter of female. 



of Pronematus lacks the claws and pulvillus, and in Proctotydaeus leg 

 I is without claws and pulvillus whereas legs ii-iv lack the pulvillus). 

 The chelicerae have a thick basal piece and a very sharp-pointed, fixed 

 chela from which a dagger-like, almost straight, movable chela extends 

 in such a way that the chelicerae are not truly chelate. Some species 

 lack eye spots, while others have two and three eye spots. No genital 

 suckers are present. 



Genera and subgenera: 



1. Tydeus Koch, 1836 (= Microtydeus Thor, 1931 = Brachytydeus 

 Thor, 1931 = Melanotydeus Berlese, 1910 = Stylotydeus Thor, 

 1933 = Lasiotydeus Berlese, 1908? = Calotydeiis Oudemans, 1937 

 = Tectotydeus Oudemans, 1937) 

 a. Tydeus s. str. 



Type. Tydeus kochi Oudemans, 1928 (= Tydeus croceus Koch, 

 1836 inon Acarus croceus Linnaeus, 1758) 



