During a faunal survey on antlions deposited in Hayk Mirzayans Insect Museum Tehran Iran, a male specimen was identified as Centroclisis cervina (Gerstaecker, 1863). The specimen was collected from “Aliabad” (without mentioning the province name).The genus and species are new for Iranian antlions fauna. The genus belongs to family Myrmeleontidae, subfamily Acanthaclisinae and tribe Acanthaclisini. The tribe contains 16 genera, the members of this tribe are generally large insect with strongly hairy body. Of the tribe, genus Acanthaclisis were reported before from Iran (three species by Holzel and one species by Mirmoayedi). Genus Centroclisis with about 56 species occurring in Africa and Asia. These genera could be diagnose based on the status of the costal field cells of fore wings, genus Centroclisis with only one row cell in this area, while in genus Acanthaclisis there are double row cells. Species C. cervina in terms of appearance is relatively large species and with light and fluffy density hairs on Meso and Metanotum. Both pairs of wings colorless and fore wings with several shadows marks along upper branches of cubital vein (Cua1) and cross veins to apex. C. cervina almost similar with species C. speciosa Holzel, 1983, the species were introduced from Egypt and Oman (type locality) respectively and could be distinguished them with morphological character easily, Fore wings costal field cells of C. cervina are simple and only with One row, while in C. speciose it is not and cells of costal field divided by a cross vein near pterostigma and two cells rows is there.