398 



Acarology 



Reference: 



Hartman, A. G. 1949. A new species of Nanhermannia with notes on the 

 genus. Proc. Ent. Soc. Wash. 51(4) : 169-171. 



Epilohmanniidae Oudemans, 1923 



Figures 319, 320 



Diagnosis: These mites are small and have two ventral plates, one 

 behind the other, each with a posterior indentation which encloses the 

 genital, or, respectively, the anal plates. There are no lamellae or tec- 



(^' '-^ 



Figure 319 EpUohmannia cylindrica 

 (Berlese). Venter of female showing 

 divisions of plates. (After Oudemans 

 1915) 



Figure 320 EpUohmannia cylindrica 

 (Berlese). Venter of larva showing the 

 organ of Claparede between coxae i 

 and II (see Rhizoglyphus echinopus 

 larva). (After Grandjean 1946) 



topedia. The last four segments of the legs are almost equal in length 

 and there is one claw. The palpus is two-segmented and the mouth 

 parts are hidden from above. The larval form of EpUohmannia cylin- 

 drica (Berlese) possesses the Claparede organ. 



Genera: 



1. EpUohmannia Berlese, 1916 {— Lesseria Oudemans, 1916) 

 Type. Lohmannia cylindrica Berlese, 1904 



2. Archegozetes GY2Lnd']t2in, \9?)\ 



Type. EpUohmannia (?) magna Sellnick, 1925 



