Stenodema laevigata (Linnaeus, 1758)

Figs 1 H, K, O, 2 E, 4 F, G, 5 A – D, Q, 7 A – C, 9 G, H

Cimex leavigatus Linnaeus, 1758: 449 (original description).

Stenodema laevigatum: Reuter 1904: 6 (comb. nov., key to species); Carvalho 1959: 304 (catalogue); Kerzhner and Jaczewski 1964: 958 (key to species); Wagner and Weber 1964: 95 (key to species); Wagner 1974: 113 (key to species).

Stenodema laevigata: Muminov 1989: 128 (key to species); Kerzhner and Josifov 1999: 195 (catalogue). 3

Diagnosis.

Body length in male 5.9–6.7, in female 6.8–7.5. Frons not protruding above clypeus base (Fig. 1 H); labium reaching metasternum, but not surpassing it (Fig. 1 O); hind femur distinctly tapering towards apex, without spines (Fig. 2 E); hind tibia curved basally (as in Fig. 2 E); swelling above propleural suture curved (Fig. 1 H); groove on posterior part of mesopleuron present, shallow (Fig. 1 K); paired pits on pronotum between calli absent (as in Fig. 1 G); setae on posterior margin of hind femur denser than on other parts of femur, distinctly shorter than hind femur width (Fig. 2 E); genital capsule slightly longer than wide, acute apically, with outgrowth near each paramere socket (Fig. 5 Q); apical half of right paramere as wide as basal half (Fig. 5 A); apical process of right paramere more or less acute apically in posterior view but not elongate (Fig. 5 D); sensory lobe of left paramere swollen (Fig. 5 B); vesica with two membranous lobes (Fig. 7 A – C); dorsal labiate plate as long as wide, sclerotized ring 2–2.5 × as long as wide; distance between sclerotized rings ~ 0.5–0.75 × as long as sclerotized ring width; membranous swelling on dorsal labiate plate present, rounded, not reaching sclerotized ring (Fig. 4 F); posterior wall with dorsal structure between interramal lobes (Fig. 5 G).

Distribution.

Stenodema laevigata is mostly known from Western Palearctic, and there are no records from Siberia. However, the species was recorded from Kyrgyzstan and China (Kerzhner and Josifov 1999).