Members of the family Stigmaeidae are predators; they feed on spider mites, scale insects, especially their eggs, and also small arthropods (Khanjani et al., 2010). Genus Ledermuelleriopsis was created by Willmann (1953) and known species are found in most parts of the world (Fan et al., 2016). They live in soil, litter, grass, moss, lichen, decayed stump, bark trees and old dune sand (Bingül & Doğan, 2016). Up to now, 33 species of this genus are described worldwide (Fan et al., 2016; Bingül & Doğan, 2016) of which nine species have been recorded and described from Iran, namely: Ledermuelleriopsis ariyai Khanjani et al., 2012, L. ayhani Maleki & Bagheri, 2013; L. dogani Khanjani et al., 2012; L. medicae Khanjani & Ueckermann, 2002; L. plumosa Willmann, 1951 (by Khanjani & Ueckermann, 2002); L. punicae Khanjani, et. al., 2012; L. tamariski Maleki & Bagheri, 2013; L. terrulenta Ueckermann & Meyer, 1987; L. zahiri Khanjani & Ueckermann 2002 and L. aminiae Nazari & Khanjani, 2017. Among them L. zahiri is widely distributed and recorded from most parts of Iran.
