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The present study is based on specimens collected from the Jazan Province (southwestern Saudi Arabia). This material comprises 21 species within 13 genera and three subfamilies (Bembicinae, Crabroninae and Philanthinae). The African species Miscophus chrysis Kohl and Parapiagetia bidens Pulawski are recorded here for the first time for the Arabian Peninsula, as well as Cerceris rubida (Jurine). The genus Oryttus Spinola is recorded for the first time in Saudi Arabia. Six other species are also newly recorded for Saudi Arabia: Liris maidli (Arnold), Oxybelus diphyllus (Costa), Oxybelus phyllophorus Kohl, Parapiagetia erythropoda (Cameron), Pison atrum (Spinola) (Bembicinae), and Tachysphex buyssoni Morice (Crabroninae). Three new species, Bembix arabica Edmardash & Gadallah, Oryttus pulawskii Gadallah & Edmardash, and Oxybelus ecarinatus Gadallah & Edmardash, are described and illustrated. The previously unknown male of Miscophus chrysis is also described and illustrated. A comprehensive faunistic list is provided. [ABSTRACT FROM AUTHOR]

The family Leucospidae (Hymenoptera: Chalcidoidea) from Saudi Arabia is reviewed. Specimens were mainly collected from the south-western region of the country - Raydah (Abha, Asir), Sajid (Farasan Islands, Jazan) and Wadi Tourabah (Mandaq, Al Baha); and from Egypt - Wadi Khoshb (Sinai Peninsula), as well as a specimen (Leucospis elegans Klug) deposited in the Efflatoun Bey collection, Cairo University, Egypt. The genus Micrapion Kriechbaumer is here recorded for the first time from the fauna of the Arabian Peninsula, with a single species, M. clavaforme. Leucospis arabica Gadallah and Soliman sp. nov. (dorsigera group) is described. Leucospis africana (elegans group) is also newly recorded from the Saudi Arabian fauna, in addition to L. elegans which has been previously recorded. An illustrated key and a list of all leucospid species recorded and expected to occur in Saudi Arabia are provided. www.zoobank.org/lsid:Zoobank.org:pub:40BEF37F-0D92-4AEF-9990-30C1CFC3A7A7 [ABSTRACT FROM AUTHOR]