Pampsilota brandbergensis Koch, 2006

Liston, Andrew D., Goergen, Georg & Koch, Frank, 2017, Revisions of the Afrotropical genera of Argidae and species of Pampsilota Konow, 1899 (Hymenoptera, Tenthredinoidea), Deutsche Entomologische Zeitschrift 64 (1), pp. 1-25 : 8

Pampsilota brandbergensis Koch, 2006

Pampsilota brandbergensis Koch, 2006a: 120. Described: male [holotype and paratype]. Type locality: Brandberg Massif, Namibia.

Male.

Figures 14 , 45-46

Head black; flagellum dark brown. Thorax black; pronotum and tegula yellow. Legs black; anterior surface of protibia brownish yellow, posterior surface brown. Wings subhyaline including intercostal area; substigmal spot very small and slightly infuscate, costa and stigma light brown, subcosta and rest of venation brown. Dorsal surface of abdomen black with very slight metallic lustre; terga 3-5 yellow, tergum 5 medio-apically blackish spotted, terga 2/6 yellow laterally, sterna 3-6 yellow, sometimes with blackish markings medio-apically, sternum 9 with yellow apical half.

Head narrowed behind eyes. Antenna 2.0 × as long as maximum head width; flagellum scarcely enlarged towards apex, triangular in cross section, somewhat flattened apically, interior surface with sharply compressed longitudinal carina, other longitudinal carinae more weakly compressed. Eyes slightly converging towards clypeus. Anterior margin of the clypeus shallowly circularly emarginate, supraclypeal area flatly rising up to base of interantennal carinae, interantennal carinae sharply ridged, scarcely converging below, extending about one third of way to clypeus. Vertex, frons and clypeus impunctate, shiny; gena with micropunctures, shiny; pubescence whitish. Mesoscutum nearly impunctate, shiny; pubescence similar to that on head. Abdomen shiny; terga 1-3 with irregular microsculpture, posterior margin of tergum 8 with large triangular membranous median depression. Penis valve: Fig. 14 .

Length: 5.5-6.0 mm.

Female.

Unknown.

Type material examined.

Holotype: ♂. Labels: "Namibia, Brandberg, Mason Shelter, 21°04 ’39’’S/14°05’43’’, 05.-14.III.2002, Malaise trap, river bed, A. H. Kirk-Spriggs & E. Marais"; "Holotypus, Pampsilota brandbergensis sp. n. ♂., det.: F. Koch, 2005" [red] (NNIC). Paratype: ♂: same data as holotype, except: below Wasserfläche, 21°10 ’43’’S/14°32’51’’, 18.-22.III.2001, Malaise trap, A. H. Kirk-Spriggs & E. Marais (MFN).

Distribution.

Namibia (Fig. 36 ).

Diagnosis.

Together with Pampsilota luederitzensis , also from southwest Africa, Pampsilota brandbergensis differs from other Pampsilota in its body length of maximally 6.0 mm (other species at least 7.0 mm long). The yellow pronotum and entirely black legs of Pampsilota brandbergensis distinguish it immediately from Pampsilota luederitzensis , with dark pronotum and largely pale tibia.

Remarks.

Variability in colour pattern is scarcely noticeable in the two known specimens, except that tergum 5 as well as sterna 3-5 may be entirely yellow, and the pronotum may have a small ventro-lateral blackish spot.

Figures

Figure 14. Pampsilota brandbergensis: Penis valve (left, lateral aspect).

Figure 36. Distribution map for Pampsilota afer, Pampsilota africanus, Pampsilota brandbergensis, and Pampsilota dahomeyanus.

Figures 45 - 50. Pampsilota brandbergensis ♂ (PT), dorsal / lateral. 47 - 50. Pampsilota dahomeyanus. 47 - 48. ♀, dorsal / lateral; 49 - 50. ♂, dorsal / lateral. Scale bars = 1 mm.