58 Acarology 



References: 



Neumann, K. W. 1943. Die Lebengeschicte der Kafermilbe Poecilochinis 



necrophi Vitzthum, nebst Beschreiberung aller Entwicklungstufen. 



Zool. Anz. 142:1-21. 

 Vitzthum, H. G. 1930. Milben als Pesttrager? Zool. Jahrb. Syst. 60:381- 



428. 

 Willmann, C. 1940. Neue Milben aus Hohlen der Balkanhablinsel, gesam- 



melt von Prof. Dr. K. Absolon, Briinn. Zool. Anz. 130:209-218. 



Aceosejidae N.F. 



Figure 43 



LAr'7^v^^?<<.<c^ Diagnosis: The females can be 



-j<^^^^^^^^^\ recognized because they possess 



^^^^^^^^^^^^^U jugular plates. In other words the 



M^r^^^^ W anterior sternal plate i is sepa- 



rated from the other sternal plates 



Figure 43 Aceoseiiis miiricatiis and is further Split into tWO SO 



1 A?.'^^c u^\ Vo^ 1?^ ^'^^ ""^ "'^^^- that one half lies on either side of 

 (After Sellnick 1941) 



the tritosternum. Sternal setae i 

 are on these plates. The epigynial plate bears a single pair of setae. 

 Posterior to the epigynial plate there is a large ventroanal plate. The 

 male is unique in that the ventroanal plate is provided with a cone- 

 shaped elevation that bears a pair of genital suckers. All legs are 

 provided with pretarsi, caruncles, and claws. 



Genus: 



Aceosejus Sellnick, 1941 



Type. Sejus muricatus Koch, 1839 



Discussion: Only the type species is recognized as belonging to this 

 family. The splitting of the sternal plate in the female and the presence 

 of suckers on a cone of the ventroanal plate of the male are such pe- 

 culiar features that a new family had to be erected to accommodate 

 this genus. These mites live in rotting wood and are ol no known eco- 

 nomic or medical importance. 



Reference: 



Sellnick, M. 1941. Einige Milbenarten C. L. Kochs. Zool. Anz. 133:146- 

 155. 



