Karyology and sex determination of oribatid mites
Heethoff, M.; Bergmann, P. and Norton, R.A.  Karyotype analysis of two species of Oribatida (Acari)
Zhang, P.-J.; Fu, R.-S. and Wang, Y.-H.  Chromosome numbers of spider mites from bamboo
Helle, W. and Takahashi, K.  Chromosomes in spider mites (Tetranychidae-Acari)
Bolland, H.; Gutierrez, J. and Helle, W.  Cytogenetical study and phylogenetic reflections on the family Tetranychidae Donnodieu
Gutierrez, J.; Helle, W. and Bolland, H.R.  New Tetranychidae of Madagascar (6th note)
Gutierrez, J.  Sex determination in the snake mite Ophionyssus natricis (Gervais) (Dermanyssidae)
Oliver, J.H., Jr.; Camin, J.H. and Jackson, R.C.