Contribution to the Pachylaelapidae (Acari: Mesostigmata) fauna in some parts of Guilan province of Iran Author Mojahed, Samaneh . Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran; E-mails: samaneh. mojahed @ yahoo. com, hajizadeh @ guilan. ac. ir, Rhosseini @ guilan. ac. ir Author Hajizadeh, Jalil . Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran; E-mails: samaneh. mojahed @ yahoo. com, hajizadeh @ guilan. ac. ir, Rhosseini @ guilan. ac. ir Author Hosseini, Reza . Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran; E-mails: samaneh. mojahed @ yahoo. com, hajizadeh @ guilan. ac. ir, Rhosseini @ guilan. ac. ir Author Ahadiyat, Ali . Department of Entomology, Science and Research Branch, Islamic Azad University, Tehran, Iran; E-mails: ali. ahadiyat @ hotmail. com & a. ahadiyat @ srbiau. ac. ir text Persian Journal of Acarology 2017 2017-10-15 6 4 269 285 https://www.mendeley.com/catalogue/b291baa7-d39d-322b-b94d-4d97866901cf/ journal article 10.22073/pja.v6i4.29712 2251-8169 7174046 Onchodellus hispani (Berlese, 1908) Diagnosis Female with dorsal shield oval, middle-sized, 568 long, 368 wide (length/width ratio: 1.54), marginal section reticulate and median section lineate. Dorsal shield setae J1 40, J2–3 76, J4 , J5 long ( J4 72, J5 44) and slightly differing in length ( J4 / J5 ratio: 1.63). Sternal shield 200 long, 100 wide (length/width ratio: 2), lateral and median surfaces reticulate and smooth, respectively. Genitiventral shield 208 long, 224 wide, (length/width ratio: 0.92), median section with no reticulation. Anal shield subtriangular and smooth, 64 long, 120 wide, (length/width ratio: 0.53). Soft lateral and opisthogastric integument with 15 pairs of smooth setae. Tarsus II with one spur-like distal seta. Material examined – 1 female , Saravan forest , from soil and humus under pine tree, 11 July 2015 . Distribution and habitats in Iran This species was found in soil from Kerman province (Region not mentioned) ( Ahmadi 2002 ). World distribution – European countries (e.g. Bulgaria , Italy , Poland and Slovakia ) ( Karg 1993 ; Mašán 2007 ; Mašán and Halliday 2009 , 2014a ; Mašán and Mihál 2009 ). Note – This is the first record of this species in Guilan province .