A revision of bupresticida species group of Cerceris Latreille, 1802 (Hymenoptera: Crabronidae: Philanthinae) of the Western Palearctic region, with the description of Cerceris ammonia, a new species from Egypt Author Malash, Alyaa A. 0000-0001-6053-0693 Entomology Department, Faculty of Science, Cairo University, PO Box 12613, Giza, Egypt. alyaa_adel91@cu.edu.eg Author Edmardash, Yusuf A. 0000-0002-3365-0822 Entomology Department, Faculty of Science, Cairo University, PO Box 12613, Giza, Egypt. edmardash@cu.edu.eg Author Gadallah, Neveen S. Entomology Department, Faculty of Science, Cairo University, PO Box 12613, Giza, Egypt. text Zootaxa 2024 2024-05-09 5448 1 1 28 http://dx.doi.org/10.11646/zootaxa.5360.3.8 journal article 10.11646/zootaxa.5448.1.1 1175-5326 11231152 E5657AAC-A82F-44F7-A57B-CE3ECA8F963D Cerceris palmetorum de Beaumont, 1951 Figs 16 (A–D), 17(A–C) Cerceris palmetorum de Beaumont, 1951:342 , ♀ , ♂ . Holotype : ♀ , Egypt : Siwa Oasis : El Arig. Brief description. Female ( Figs 16 A-D, 17A, B): Almost entirely yellow (including scape and legs except for thin black streak on femora ventrally, and tegula) ( Figs 16A, B , 17B ); head above median ocellus black to reddish brown; two reddish brown streaks running to antennal bases; face below antennal sockets and clypeus creamy (whitish) ( Fig. 17A ), antenna (excluding scape) ferruginous behind, brownish above ( Fig. 17A ); scutum black, with U-shaped yellow marking medially ( Fig. 16A ); incisions between abdominal terga reddish brown. Forewing hyaline, with small infumate apex just after marginal cell ( Fig. 16A ). Face and clypeus with dense whitish wooly covering obscuring integument beneath ( Fig. 17A ); clypeus with middle lobe convex at base, free margin with lateral teeth ( Fig. 17A ); mandible with distinct sub-basal tooth, followed by notching, as well as other notching near apex; propodeal enclosure smooth, dull, without median sulcus, rugose laterally, covered with long fine setae ( Fig. 16A ); hindcoxa without keel along inner side; pygidial plate long, oval, shagreened, narrowed towards apex, narrowly rounded at apex, lateral sides sharply edged, with upwardly curved setae ( Fig. 17B ). FIGURE 16. Cerceris palmetorum de Beaumont, 1951 (holotype ♀): A, habitus dorsally; B, habitus laterally; C, D, labels of the holotype (NHMUK). FIGURE 17. Cerceris palmetorum de Beaumont, 1951 (holotype ♀): A, frontal view of head; B, last gastral terga and pygidial plate (NHMUK); C, habitus dorsally of ♂ (CAS). Male ( Fig. 17C ): Differs from female in having thorax with more black, especially propodeal enclosure; clypeal middle lobe straight at free margin; gena angled posteriorly when seen in dorsal view; scutum and scutellum smooth and shiny, sparsely punctate; propodeal enclosure shiny, with medium sulcus and coarse longitudinal ridges at base. Material examined: Algeria : A photograph from CAS : 1♂ , Biskra , 20.v.1980 , A. Giordani Soika collector ; Egypt : A photograph from NHMUK : 1♀ , El Arig ( Siwa Oasis ), 8.vi.1935 , J. Omer-Cooper collector, det. de Beaumont , 1950 ( Type ) . Distribution: PA: Algeria , Libya , Morocco , Oman , United Arab Emirates .