Stody on the Collembola Fauna of Mazandaran (Iran) and new records from the forests of this province

Collembola (Hexapoda) fauna of parts of Hyrcanian forest in north of Iran, Mazandaran povince was studied during 2016. Sampling was done from soil and leaf litter. Then springtails were extracted by Berlese funnel. Totally, 18 genera and 2 species belonging to 10 families were collected which 14 species were identified. Of them the genus Pogonognathellus</em> (Tullberg, 1871) and two species Pogonognathellus </em>sp. cf. flavescens</em> (Tullberg, 1871) and Arrhopalites </em>sp. gr. principalis</em> (Stach, 1945) are recorded for the first time from Iran. Also four new species are recorded for the first tine from Mazandaran including: Entomobrya </em>cf. schoetti </em>Stach, 1922, Entomobrya corticalis </em>(Nicolet, 1841), Entomobrya </em>nigrocincta </em>Denis, 1923 and Arrhopalites </em>sp. gr. caecus </em>(Tullberg, 1871).