This paper provides data on distribution of 9 long-legged fly species (Diptera, Brachycera, Dolichopodidae) belonging to 6 genera from Fars province, southern Iran. Four species, Asyndetus albifrons Loew, 1869, Asyndetus chaetifemoratus Parent, 1925, Medetera media Parent, 1925 and Sciapus adumbratus (Becker, 1902) are newly added to the Iranian insect fauna. In addition, available information for each species and comments on geographical distribution and taxonomy are also included.

The digger wasps fauna (Hymenoptera: Apoidea) of Fars province in southern Iran was partly investigated. Members of three families: Pemphredonidae (5 species of 3 genera), Psenidae (3 species of 2 genera) and Philanthidae (2 species of 2 genera) were collected and documented. The following eight species:

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An annotated list of Iranian digger wasps of the genus Tachysphex Kohl, 1883 (Hymenoptera, Apoidea, Crabronidae) is presented based on the material collected in the southern part of the country and on data published from the period 1933-March 2020 (87 years). In all, 46 species of eight species-groups are documented (T. persa has two subspecies: T. persa persa Gussakovskij, 1933 and T. persa nigripes Pulawski, 1967). Of the eight species-groups, the pompiliformis species-group (17 species) and the panzer species-group (11 species) are the most species-rich, whereas the brevipennis species-group is represented by only one species. The following three species are newly recorded from Iran, all from Fars Province: T. helveticus Kohl, 1885, T. melas Kohl, 1898 and T. palopterus (Dahlbom, 1845). About 19 (41.30%) of the species included here are exclusively Palaearctic, whereas 15 species (32.61%) have wider distributions in the Afrotropical, Palaearctic and Oriental zoogeographic regions. Neighboring countries have many species that overlap with the Iranian Tachysphex fauna; Iran shares 36 species (78.20%) with Turkey, 28 species (60.86%) with Turkmenistan and 18 species (39.13%) with United Arab Emirates.

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