1. New species and further notes on the Tetranychoidea mostly from the Southwestern United States (Acarina: Tetranychidae and Tenuipalpidae)
2. Baker, E. W. and Tuttle, D. M. 1994.A. guide to the spider mites (Tetranychidae) of the United States, 347–347. West Bloomfield, Michigan, USA: Indira Publishing House.
3. Bolland, H. R., Gutierrez, J. and Flechtmann, C. H. W. 1998.World catalogue of the spider mite family (Acari: Tetranychidae), 392–392. Leiden: Academic Publishers Brill.