Scopesis polita ( HOLMGREN , 1857)

Scopesis polita ( HOLMGREN, 1857) View in CoL (figs 8, 26, 42, 62, 82)

Original : Mesoleius politus HOLMGREN, 1857: 141, ♀. Lectotype: (♀) Lp. in ; Bhn (Stockholm), designated by TOWNES et al. (1965: 259), type examined. syn. Mesoleius pallifrons HOLMGREN, 1857: 149 , ♀ ♁. Lectotype: (♀) Lp. in ; Bhn ; Mesoleius pallifrons HLGR. ♀ Lectotypus R. Hinz 1962 (Stockholm) ,

herewith designated, synonymized by SCHMIEDEKNECHT (1914: 2923), high resolution photos examined. syn. Mesoleius imitator HOLMGREN, 1857: 148 , ♀ ♁.

Lectotype: (♀) Lp. in; Bhn; Mesoleius imitator HLGR. ♀ Lectotypus R. Hinz 1962 (Stockholm), designated by TOWNES et al. (1965: 259), synonymized by ROMAN (1931: 24), high resolution photos examined.

D e s c r i p t i o n: ♀. Body length (6.0)– 8.5–10.5 mm. Flagellum with 33–40 segments; 1 st flagellar segment 4.2–5.0× as long as wide and 1.7–2.0× as long as 2 nd segment; 2 nd segment 2.3–2.7×, 3 rd segment 2.2–2.5× and preapical segment 1.4× as long as wide. Temple moderately to distinctly and roundly narrowed behind eye. OED 1.2– 1.5× ocellar diameter. Face granulated, with superficial punctures, inner eye margins parallel. Clypeus moderately convex, not bulging medially, slightly extended laterally, with sparse setiferous punctures; apical margin almost straight. MI 0.4.

Mesoscutum granulate, dull. Notaulus not impressed. Mesopleuron granulate, sometimes finely rugose and with superficial punctures, with ± distinct striae in dorsal half; speculum with microsculpture, shining. Lateral carinae of area superomedia sometimes partly present. Area petiolaris with carina, obsolete or complete medially. Lateral longitudinal and pleural carinae of propodeum often ± obsolete, sometimes completely lacking. Hind femur 4.0–4.5× as long as wide. Inner apical spur of hind tibia 0.64× as long as hind metatarsus. Vein 2rs-m 0.6–0.9× as long as vein M between 2rs-m and 2m-cu. Vein 1cu- a interstitial or postfurcal by 1× its width. Nervellus of hind wing vertical or slightly inclivous, intercepted in its apical 0.6–0.7. 1 st tergite 1.4–1.6× as long as wide, without latero-median carina. 2 nd tergite 1.2–1.5× as wide as long.

Color: black. Flagellum reddish or reddish-yellow, ± black basally. Palps brown or ochreous. Mandible partly yellow. Clypeus reddish-brown or yellow, sometimes with narrow yellowish facial transverse stripe above clypeus. Scape sometimes reddish ventrally. Tegula brown or yellowish. Coxae, trochanters and trochantelli black. Legs red; hind tibia reddish-yellow, infuscate in apical 0.3-0.4; hind tarsus black. Metasoma black or brown, 2 nd and/or 3 rd tergites often with some dark reddish shine. Pterostigma ochreous. ♁. Body length 8.0–11.0 mm. Flagellum with 32–41 segments; 1st flagellar segment 4.5–

5.3× as long as wide and 1.8× as long as 2 nd segment; 2 nd segment 2.8–3.2× and 3 rd segment 2.5–2.7× longer than wide. OED 1.1–1.5× ocellar diameter. MI 0.2–0.3. Mesopleuron granulate and with superficial punctures, ± striate dorsally. Area superomedia often with ± distinct lateral carina. Area petiolaris with complete carina medially. Hind femur 3.9–5.0× as long as wide. Inner apical spur of hind tibia 0.53× as long as hind metatarsus. 1 st tergite 1.8–2.1× as long as wide, without latero-median carina. 2 nd tergite 1.0× as long as wide.

Color: black. Flagellum ochreous, ± infuscate basally. Palps, mandible, clypeus, often ventral gena, face, ventral 1/3 of frontal orbit, ventral spots on scape and pedicel, sometimes collar, hind edge of pronotum, tegula, often subtegular ridge, often anterolateral spot on mesoscutum and often spot on scutellum and postscutellum yellow; sometimes mesosoma except yellow hind edge of pronotum and tegula entirely black. Coxae black, apical spots on fore and mid coxae, usually fore and mid trochanters and trochantelli and often hind trochantellus yellow. legs reddish; hind femur sometimes slightly infuscate apically; hind tibia reddish-yellow, infuscate in apical 0.4–0.5; hind tarsus black. Metasoma black; 2 nd and 3 rd tergites often with ± extended dark reddish shine. Pterostigma yellow or brownish.

D i s t r i b u t i o n: Transpalaearctic, studied material from Austria, Georgia *, Germany, Sweden, Russia Far East (Kamtchatka), United Kingdom *.

Taxonomical remarks: This species has a large range of body size and color patterns, especially in ♁♁. The lectotype of Sc. polita is an exceptionally small ♀ with a body length of 6.0 mm and 33 flagellar segments.