62 



Acarology 



Spinturnicidae Oudemans, 1901 



Figures 47, 48 



Diagnosis: Spinturnicids are brown, medium-sized mites from 0.5 to 

 1 mm. long. They are usually flat, and in Periglischriis (Figure 48) 

 the opisthosoma has lateral expansions. The dorsal plate is entire or 



Figure 41 Spinturnix carloshoffmanni Hoffmann, 1944. Dorsal and ventral 

 views of female. (After Hoffmann 1944) 



divided into two. The legs are relatively long but very stout. All of the 

 coxae are immovable and arranged radially. The tarsi are provided 

 with short pretarsi, large caruncles, and strong claws. The tritoster- 

 num is reduced to a delicate plate or is replaced by a relatively large 



Figure 48 Periglischriis vargasi Hoffmann, 1944. Dorsal and ventral views of 

 female. (After Hoffmann 1944) 



