Stenetra ligustica Masi, 1931

Tselikh, Ekaterina & Burks, Roger, 2020, Revision of Stenetra Masi, 1931 (Hymenoptera: Chalcidoidea: Pteromalidae), Zootaxa 4759 (2), pp. 191-208 : 201-203

Stenetra ligustica Masi, 1931

(Figs 41–51)

urn:lsid:zoobank.org:act:17E4B004-E55E-450E-B86A-8DD102D892A0

Stenetra ligustica Masi, 1931: 170 ; holotype ♀ (MCSN, examined). Type locality: [ Italy] “ Liguria, Borgio Verezzi”.

Description. Female. Body length 4.0– 5.7 mm; fore wing length 2.4–3.3 mm. Head and mesosoma, black with metallic blue lustre, metasoma black with metallic bluish-green and diffuse coppery lustre; antenna with scape basally yellowish-brown, apically brown; pedicel and flagellum dark brown; all coxae black with metallic blue lustre, all femora, fore and mid tibiae brown, hind tibia yellowish-brown, tarsi yellow except last segment brown; fore wing with brownish tint, venation brown; ovipositor sheath black. Head in dorsal view 2.3–2.6× as broad as long and 1.15–1.2× as broad as mesoscutum; in frontal view 1.3–1.4× broader than high. POL 1.4–1.6× OOL. Eye height 1.53–1.6× eye length and 2.2–2.5× as long as malar space. Distance between antennal toruli and lower margin of clypeus 0.7–0.75× distance between antennal toruli and median ocellus. Clypeus radially striate, its lower margin emarginate. Antenna with scape 0.7–0.8× as long as eye height and 1.1–1.2× as long as eye length, not reaching anterior edge of median ocellus; pedicel 2.2–2.3× as long as broad and 1.2–1.45× as long as F1; combined length of pedicel and flagellum 0.8× breadth of head; flagellum almost filiform; second anellus transverse and 1.3–1.4× as long as first anellus; F1 0.9–1.2× as long as broad and 0.85–1.0× as long as F2, with 2 rows of dense sensilla; F2–F6 subquadrate or slightly longer than broad; clava 2.3–2.5× as long as broad. Mesosoma 1.3–1.4× as long as broad. Scutellum finely reticulate, 0.9–0.95× as long as broad. Propodeum medially 0.33–0.4× as long as scutellum; median carina present only anteriorly, plicae weak; nucha short and reticulate, 0.35–0.4× length of propodeum. Fore wing 2.5–2.6× as long as maximum width; basal cell bare; speculum open; M 1.0–1.05× as long as P and 1.55–1.7× as long as S; stigma with long uncus. Metasoma lanceolate, 1.5–1.65× as long as mesosoma and head; Mt8 1.65–2.0× as long as broad and 0.9–1.0× as long as Mt7. Ovipositor sheath projecting slightly beyond apex of metasoma.

FIGURES 41–51. Stenetra ligustica Masi, 1931 (41, 43, 45, 48, 51 ♀ holotype, 42, 44, 46, 47, 49, 50 ♀ non type, Slovakia). 41, antenna; 42, fore wing; 43, scutellum and propodeum, dorsal view; 44, spurs of hind tibia; 45, fore wing; 46, habitus, dorsal view; 47, habitus, lateral view; 48, labels; 49, head frontal view; 50, head dorsal view; 51, metasoma dorsal view.

Material examined. ITALY: 1 ♀ (holotype) “ Liguria, Borgio Verezzi ”, “ Museo Civico di Genova ”, “ Stenetra ligustica Typus! ♀ Ms. ”, “ HOLOTYPUS Stenetra ligustica Masi, 1931 ”, “13” ( MCSN) . AZERBAIJAN: 1 ♀, “ Sumgait nr. Baku Azerbaijan 27.IV.1937 ”, “ ♀ Stenetra ligustica Masi Z. Bouček det. 1971 compar. w. type” ; 1 ♀, “ Baku Azer. SSR 1.7.67. Bouček”, “ ♀ Stenetra ligustica Masi Z. Bouček det. 1967” (both from NMP) . CZECH REPUBLIC: 1 ♀, “ČSR, MORAVIA, m. Kobyli, Kocourek VI.70” ; 1 ♀, “ Boh. Praha-okolf, Úzice u Kralup ”, “ Stenetra ligustica Ms ” (both from NMP) . CYPRUS: 1 ♀, “CYPRUS: Cherkes. 31.VII.1934 G.A. Mavromousta- kis B.M. 1935-55 ”; “ NHMUK 013458848 ”; “ Stenetra ligustica Masi det. Tselikh 2019” ( BMNH) . RUSSIA: 2 ♀, “ Primorsky Reg., Tachingou , 18.VIII.1961 M. Kozlov, M. Nikol’skaya ” ( UCR) ; 1 ♀, “ Primorsky krai. Ta-Chin- gousa, 43 1 7 N 134 7 46 E, Om. Lazovski Zapovednik, Sandy Coast , MT. 19.vii–0.4. viii.2001 ”, “ M. Quest coll. BMNH (E) 2009-59 ”, “ NHMUK 013456051 ” ( ZISP) . 1 ♀, “ Sudak , 3. VI.1904 D. Glazunov ”, “c. Kokuev” ( ZISP) . SLOVAKIA: 1 ♀, “ Kovačov , 23.7.1963 ”, “? Stenetra Masi ”, “ BMNH (E) 199 5-489”, “ ♀ Stenetra ligustica Masi, 1931 Det. Z. Bouček 1995 ”, “ NHMUK 013455976 ” ( BMNH) ; 1 ♀, “ Královský Chl’mec ”, “ Slovakia mor. 20. V.58 Bouček ”, “ Stenetra ligustica Masi ” ( NMP) . TURKEY: 1 ♀, “TURKEY: Kastamonu Kastamonu area. 18.VII.1962. 1000m. Guicharg & Harvey B.M. 1962-299.”, “ NHMUK 3458843 ”, “ Stenetra ligustica Masi det. Tselikh 2019” ( BMNH) .

Distribution. Azerbaijan, Europe ( Cyprus, Czech Republic, Italy, Slovakia), Russia, Turkey.

Comments. This species is very similar to S. daleskeyae ; the differences between these species are given in the key.