New records of flat mites (Acari: Tenuipalpidae) from India
Mitra, Subhasree; Acharya, Shelley and Ghosh, Sujay  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.