344 Acarology 



Genera: 



1. Ensliniella Vitzthum, 1925 



Type. Ensliniella parasitica Vitzthum, 1925 



2. Horstia Oudemans, 1905 



Type. Trichotarsus ornatus Oudemans, 1 899 



3. Mantidoglyphiis \'\izi\\\xm, 1940 



Type. Mantidoi^lyphus anastati Vitzthum, 1940 



4. /?/>/»/<:/ Oudemans, 1925 



Type. Riemia he s per id urn Oudemans, 1925 



5. Tortonia Oudemans, 1911 



Type. Trichotarsus intermedins Oudemans, 1901 



6. Vidia Oudemans, 1905 



Type. Vidia nndulata Oudemans, 1905 



Discussion: This is another little-known family. Ensliniella parasitica 

 Vitzthum was collected on the resting larvae (Ruhelarve) of Odynerus 

 (Eionotns) delphinalis Giraud, family Vespidae, Hymenoptera, in 

 Germany; and Vidia undnlata Oudemans was taken from Prosopis 

 conjormis Foerst., family Colletidae, Hymenoptera, in Italy. 



Reference: 



Vitzthum, H. 1925. Eine neue Milbengattung und-art als Parasit von 

 Odynerus (Lionotus) delphinalis Giraud 1866. Deut. Ent. Ztschr., 

 Heft IV: 289-305. 



Czenspinskiidae Oudemans, 1927 



F/>/r 272 



Diagnosis: A propodosomal shield is present, and the skin is shiny 

 and finely striated. On the rear of the propodosoma is a transverse row 

 of four setae, the inner pair much shorter than the outer. No cervical 

 setae are present but a pair of vertical setae is present. All tarsi have 

 stalked claws and caruncles are long, slender, and have minute spines. 

 The female genital opening lies between coxae in and iv. Males are 

 not known. 



Genus: 



Czenspinskia Oudemans, 1927 (= Donndorfia Oudemans, 1931) 

 Type. Tyroglyphns heterocornus Michael, 1903 (adults) 



