Mesostigmata 123 



a. Pseudouropoda s. str. 



Type. Acarus vegetans DeGeer, 1768 



b. Calouropoda Berlese, 1916 



Type. Uropoda pergitta Berlese, 1 904 



c. Trichouropoda Berlese, 1916 



Type. Uropoda longiseta Berlese, 1888 



12. Vrodiscella Berlese, 1903 



Type. Uropoda ricasoliana Berlese, 1889 



13. C/roo^ovW/rt Berlese, 1 903 



a. Uroobovella s. str. 



Type. Uropoda obovata G. Canestrini and Berlese, 1884 



b. Urocyclella Berlese, 1913 



Type. Uroobovella {Urocyclella) parvula Berlese, 1913 



14. Uroplitana Sellnick, 1926 



Type. Uroplitana acinaca Sellnick, 1926 



15. Urosternella Berlese, 1903 



Type. Uropoda {Urosternella) foraminifera Berlese, 1903 



Uncertain genera: 



1. Liponissus Kolenati, 1858 {non Liponyssus of authors) 

 Type. Dermanissiis setosus Kolenati, 1856 



2. Neuteria Oudemans, 1905 



Type. Uropoda tropica Oudemans, 1905 



3. Paulitzia Oudemans, 1915 



Type. Uropoda africana Oudemans, 1905 



Discussion: Like the other families, uropodids are of no known eco- 

 nomic or medical importance. They are world-wide in distribution and 

 frequently attach themselves to insects, especially in the nymphal 

 stages. They probably do no harm to their hosts. 



Reference: 



Tragardh, L 1944. Zur Systematik der Uropodiden. Ent. Tidsk. 65:173- 

 186. 



CELAENOPSINA TRAGARDH, 1938 



The Celaenopsina are characterized by a pair of lateral plates that 

 developed on the ventral surface as anterior elongations of the ventral 

 plate. These lateral plates have taken over the function of the epigynial 

 plate and the latter is reduced or completely obliterated. With the re- 

 duction of the epigynial plate there has been no development of a 



