Acarological Society of Iran Persian Journal of Acarology 2251-8169 11 1 2025 12 01 Redescription of the water mite Eylais extendens(Müller)(Acari, Eylaidae)larva based on material collected from Iran 51 58 238560 10.22073/pja.v11i1.71579 EN Jalil Hajizadeh Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran Reza Hosseini Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran; E-mails:hajizadeh@guilan.ac.ir, rhosseini@guilan.ac.ir Journal Article Larvae of water mite, <em>Eylais extendens</em> (Müller, 1776) (Acari, Eylaidae) were collected from water burrowing beetles (Noteridae), predaceous diving beetles (Dytiscidae) and variegated mud-living beetles (Heteroceridae) from Guilan province, Iran, captured by light traps. The redescription and illustration of taxonomic characters of the larva were made based on specimens collected from Guilan province, Northern Iran. This is the first record of larval hosts of <em>E. extendens</em> from Iran.  https://www.persianacarology.org/article_238560_2e08386b67b547a67faf64f66b79be9e.pdf