Eriophyoidea (Acari: Trombidiformes) of the Lorestan Province and first record of Aceria querci (Garnam, 1883) outside of the USA Author Bahirai, Fereshteh . Department of Plant Protection, Faculty of Agriculture, Lorestan University, Khorramabad, Iran; E-mails: fbahirai @ yahoo. com, Shahriar. Jafari @ gmail. com & Jafari. s @ lu. ac. ir, J. shakarami 45 @ gmail. com Author Jafari, Shahriar . Department of Plant Protection, Faculty of Agriculture, Lorestan University, Khorramabad, Iran; E-mails: fbahirai @ yahoo. com, Shahriar. Jafari @ gmail. com & Jafari. s @ lu. ac. ir, J. shakarami 45 @ gmail. com Author Lotfollahi, Parisa . Department of Plant Protection, Faculty of Agriculture, Azarbaijan Shahid Madani University, Tabriz, Iran; E-mail: prslotfollahy @ yahoo. com prslotfollahy@yahoo.com Author Shakarami, Jahanshir . Department of Plant Protection, Faculty of Agriculture, Lorestan University, Khorramabad, Iran; E-mails: fbahirai @ yahoo. com, Shahriar. Jafari @ gmail. com & Jafari. s @ lu. ac. ir, J. shakarami 45 @ gmail. com text Persian Journal of Acarology 2021 2021-07-15 10 1 111 119 https://www.mendeley.com/catalogue/b49eedd2-dbe9-3466-b846-5fbcfbc09e48/ journal article 10.22073/pja.v10i1.63306 2251-8169 5037942 Aceria tristriata (Nalepa, 1890) Material examined – This species was collected on leaves of walnut trees, Juglans regia L. ( Juglandaceae ). This mite caused galls on walnut leaves especially near to the median veins. We collected large numbers of this species in Khorramabad, Aleshtar, Borujerd and Nourabad County, Lorestan Province , Iran . Remarks – This species is widely distributed and has been reported from western regions of Iran ( Khanjani and Haddad Irani-Nejad 2006 ). This species was previously reported from Lorestan Province ( Delfan et al . 2014 : Hayatolgheyb 2016 ).