This paper reports two new species of Bdellidae, Cyta leliae sp. nov. and Cyta kurdistanicus sp. nov., collected from soil and litter under oak trees, Quercus brantii Lindl. (Fagaceae), wild almond, Amygdalus lycioides Spach (Rosaceae) and grass, Kurdistan Province, Iran. A key is provided to adult female Cyta of the world. 

Two new Bdellidae, Biscirus iranensis Paktinat-Saeej & Bagheri sp. nov. and Bdella farabii Paktinat-Saeej & Bagheri sp. nov., are described from northern Iran. The monotypic genus Neobiscirus considered a junior synonym of Biscirus, and its only species therefore considered Biscirus kobachidzei (Gomelauri, 1963) comb. nov.

Members of the family Bdellidae inhabit a variety of habitats worldwide and are active predators of small arthropods_ Studies by Muma (1975) indicated that Bdella distincta (Baker & Balock) prey on eggs and crawlers of armoured scale insects on citrus in Florida, while Neomolgus capil/atus (Kramer) is associated with pasture pests from Scandinavia to Morocco (Wallace 1974). Bdellodes lapidaria ...