1917] 



Synopsis of Beetle Mites 



131 



Genus Atropacarus'" n. gen. 



With the characters of the subfamily Hoplodermatinae. Tarsal 

 claws monodactyle ; anal and genital covers separate. Cephalothorax 

 without a median carina above. Integument rough, pitted, or sculptured. 



Type species: Hoplophora stricula Koch. 



One of our American species, A. illinoiensis (Ewing), known 

 to be included in this new genus. There may be others. 



Fig. 5. Cinglymarcanis dasy pus (Duges). Drawing made from a named specimen 



received from Michael. 



Genus Ginglymacarus^^ n. gen. 



With the characters of the subfamily Hoplodermatinae. Tarsal 

 claws monodactyle; anal and genital covers separate. Cephalothorax 

 without a median carina above. Integument smooth, without pits 

 or sculptures. 



Type species: G. dasy pus (Duges). (See Fig. 5). 



In this genus we find in our country at least two species 

 besides the type species. They are G. sphaerula Banks and G. 

 lurida Ewing. The genus will be found to include many foreign 

 species. 



'■'From a, not + Tpowis^ keel + Acarus. 

 ^^From yiyyXvixos, hinge joint + Acarus. 



