126 Acarology 



3. Brachy sternum Tragardh, 1950 



Type. Brachy sternum acuminatum Tragardh, 1950 



4. Cry ptometasternum Tragardh, 1950 



Type. Cry ptometasternum natalense Tragardh, 1950 



5. Diplogyniella Tragardh, 1950 



Type. Diplogyniella levinseniTv'i.gkxdVi, 1950 



6. Diplogyniopsis Tmgkrdh, 1950 



Type. Diplogyniopsis multidentata Tragardh, 1950 



7. Heterodiplogynium ^r'?kgkvd\\, \950 



Type. Heterodiplogynium vestitum Tragardh, 1950 



8. Lobogynioides Tragardh, 1950 



Type. Lobogynioides obtusum Tragardh, 1950 



9. Lobogynium Tragardh, 1950 



Type. Lobogynium rotundatum Tragardh, 1950 



10. M^gflc/irteroc/ie/fl Tragardh, 1 950 



Type. Megachaetochela warreni Tragardh, 1950 



11. Meinertula Tr'i.gkrdh, \950 



Type. Meinertula hamifera Tragardh, 1950 



12. Microdiplogynium Tragardh, 1950 



Type. Microdiplogynium reticulatum Tragardh, 1950 



13. Neodiplogynium^Y'2igkrd\\, \95Q 



Type. Neodiplogynium schubarti Tragardh, 1950 



14. Passalacarus Pearse and Wharton, 1936 



Type. Passalacarus sylvestris Pearse and Wharton, 1936 



15. Schizodiplogynium Tragardh, 1950 



Type. Schizodiplogynium capillatum Tragardh, 1950 



16. Trichodiplogynium Tragardh, 1950 



Type. Trichodiplogynium hirsutum Tragardh, 1950 



17. Tridiplogynium Tragardh, 1950 



Type. Tridiplogynium inexpectatum Tragardh, 1950 



Discussion: These large, handsome mites live as ectoparasites or 

 commensals of large beetles and possibly other insects. They are of no 

 known medical or economic importance. 



References: 



Pearse, A. S., et al. 1936. The ecology of Passalus cornutus Fabricius, a 



beetle that lives in rotting logs. Ecol. Monogr. 6:455-490. 

 Tragardh, I. 1946. Outline of a new classification of the Mesostigmata 



(Acarina), based on comparative morphological data. K. Fysiogr. 



Sallsk. Handl. N. F. 57, Nr. 4:1-37. 

 Tragardh, I. 1950. Studies on the Celaenopsidae, Diplogyniidae and Schizo- 



gyniidae. Arkiv. for Zoologi. Ser. 2, bd. 1, nr. 25:361-451. 



