Cerceris palmetorum de Beaumont, 1951

Malash, Alyaa A., Edmardash, Yusuf A. & Gadallah, Neveen S., 2024, 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, Zootaxa 5448 (1), pp. 1-28 : 19-22

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 ).

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.

Figures

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).