Sirex ermak

Female. Body length not given. Head and thorax blackish with dark blue metallic reflections; coxae black with dark blue metallic reflections. Genae with pits 0.7–3.0 pit diameters apart; vertex and postocellar area with pits less than 3.5 pit diameters apart. Mesoscutum with coarse net-like pits on median area, with indistinct transverse and longitudinal ridges in coarsely pitted area. Metatibia about 4.1–4.2 times as long as maximum width. Metatarsomere 2 in lateral view about 2.3–2.5 times as long as height, length about 1.15–1.25 times length of tarsomeres 3+4; tarsal pad of metatarsomere 2 about 0.8 times as long as ventral length of tarsomere. Abdomen: segments I–III and VII–IX blackish with dark blue metallic reflections, segments IV–VI light yellowish; terga I and IX with dark bluish metallic reflections, terga II–VIII with dark purple metallic reflections in dorsal view. Median basin of tergum IX with basal width 0.8–0.9 times median length, maximum width 1.1–1.2 times median length, median length 0.8–0.9 times cornus length. Cornus in dorsal view short, with edges straight and angulate midway, its median length 1.0–1.2 times maximum width of abdomen at junction of terga IX and X. Ovipositor: pits moderately decreasing in size toward base, about 0.37 times as high as lancet height in lateral view, 0.5–0.6 times as long as pits height.

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