Stenarella katanga, Santos & Bordera, 2025

3.1.10. Stenarella katanga sp. nov.

Figures 2 E View Figure 2 , 13 View Figure 13 , 24 B View Figure 24

Etymology.

Named after the province of Haut – Katanga, where the holotype was collected. Noun in apposition.

Diagnosis.

Stenarella katanga sp. nov. can be distinguished from all other Stenarella species by the combination of the following characters: mandible shallowly punctate at basal half; longitudinal carina of frons incomplete; pronotum mostly with distinct longitudinal striae (Fig. 13 D View Figure 13 ); mesoscutum mostly smooth and shiny (Fig. 13 C View Figure 13 ); sternaulus shallow and sinuous, reaching posterior rim of mesopleuron (Fig. 13 D View Figure 13 ); posterior area of propodeum mostly strigose (Fig. 2 E View Figure 2 ); thyridium 2.3–2.5 times as long as wide (Fig. 13 A View Figure 13 ); posterior end of S 1 placed approximately opposite to or slightly posterior to spiracle of T 1 (Fig. 13 A View Figure 13 ); base of mandible whitish (Fig. 13 B View Figure 13 ); mesosoma mostly orange (Fig. 13 A, D View Figure 13 ); T 1 vividly orange, T 2 - T 3 mostly dark brown to black (Fig. 13 A, F View Figure 13 ).

Description.

FEMALE. Fore wing 7.7–10.8 mm long. — Head (Fig. 13 A – D View Figure 13 ): Mandible, clypeus and face densely covered with very long setae. Mandible punctate at base, MLW 2.25–2.3. Malar space short, MSM 0.45–0.50. Clypeus smooth, CWL 3.0–3.15. Clypeus and face centrally mostly flat. Face centrally weakly rugulose, elsewhere shallowly granulate. Frons shiny, granulate and sparsely punctate, with interrupted longitudinal carina. Vertex shiny, shallowly granulate with very fine and dense punctures. Antenna with 35 flagellomeres. — Mesosoma (Figs 2 E View Figure 2 , 13 A, C – E View Figure 13 ): Pronotum covered by uniform longitudinal strong striae, the striae fading dorsally leaving small dorsal smooth area. Epomia strong, reaching pronotal depression. Mesoscutum mostly smooth and shiny, anterior part of mid and lateral lobes with shallow dense punctures. Area between posterior end of notauli with longitudinal striae. Notaulus moderately wide and deep with dense transverse striae, reaching about 0.7 of mesoscutum. Scutellum densely punctate. Mesopleuron and metapleuron densely setose. Mesopleuron almost entirely minutely rugulose with some longitudinal striae dorsally. Epicnemial carina distinct, reaching 0.9 of distance to subtegular ridge. Sternaulus shallow and wide, sinuous, reaching posterior rim of mesopleuron. Metapleuron rugulose. Propodeum relatively long, dorsal profile in lateral view evenly convex and sloped. Anterior area of propodeum coarsely rugulose reticulate. Propodeal spiracle elliptic, SLW 2.0–2.3. Posterior area of propodeum mostly strigose, laterally tending to be rugulose. Posterior transverse carina of propodeum indiscernible from transverse striae. Areolet small, closed distally by a pigmented vein 3 rs-m, APH 0.40. Vein 2 m-cu antefurcal to vein 3 rs-m. Hind wing vein Cua distinctly longer than crossvein cu-a, HW 1 C 2.0–2.3. — Metasoma (Fig. 13 A, F View Figure 13 ): Posterior end of S 1 placed slightly posterior to spiracle of T 1. T 1 LW 2.65–3.15; T 1 WW 1.9–2.0; T 2 LW 1.05–1.3; T 2 WW 2.45–2.7. Thyridium 2.3–2.5 times as long as wide. T 2 minutely punctate reticulate on a granulate background, anterior dorsal part only granulate. Dorsal valve of ovipositor with 5 teeth. Ventral valve with 7 teeth. OST 4.55–4.65. — Color (Figs 2 E View Figure 2 , 13 View Figure 13 ): Head mostly black; base of mandibles facial, frontal and genal orbits dorsally, whitish. Antenna mostly dark brown, f 6 – f 10 (11) dorsally white. Mesosoma mostly orange: propleuron, ventral part of pronotum anteriorly, mesosternum, metasternum and metapleural carina, black; dorsal lateral rim of pronotum yellow. Fore and mid legs, mostly light orange; coxae and dorsal part of trochanters dark brown, ventral part of trochanters whitish. Hind leg dark brown. Wing hyaline. Metasoma mostly black: T 1 orange, posterior dorsal spot on TI, posterior band on T 2 and T 5 – T 7 widely, white. — Male. Unknown.

Hosts.

Unknown.

Distribution.

Afrotropical. Known records from Angola and Democratic Republic of the Congo (Fig. 24 B View Figure 24 ).

Material examined.

2 ♀♀. Holotype. DEMOCRATIC REPUBLIC OF THE CONGO • ♀; Haut – Katanga, Kundelungu Mountains ; Malaise; “ Stenarella sp. 7 Tow. 1972 ” ( AEIC) . Dry pinned. Right antenna missing. — Paratype. ANGOLA • 1 ♀; Benguela, Ganda ( ZSMC) .