Gupta, S.K. 1981. On a Collection of Phytoseiidae (Acarina: Mesostigmata) from Madhya Pradesh and Uttar Pradesh with Description of a New Species of Phytoseius Ribaga. Records of the Zoological Survey of India. 79, 3-4 (Dec. 1981), 367–371. DOI:https://doi.org/10.26515/rzsi/v79/i3-4/1981/161734.