A new species of the genus Dolichotetranychus Sayed, 1938 (Acari: Trombidiformes: Tenuipalpidae), Dolichotetranychus babolicus sp. nov. is described from Dracaena trifasciata (Asparagaceae) grown in greenhouses in northern Iran (Mazandaran province). All active life stages are described and illustrated and anomalous features noted. Photographs of its colonies and damage symptoms are presented. This is the first report of the family Tenuipalpidae on this plant genus. Additionally, some data of D. iranicus Khadem & Asadi in Safdarkhani et al. 2016 is corrected.