25. Tychius winkleri (Franz, 1940)

(Figures 77–80, 199–202, 285–286, 328, 341, 353, 384, 419, 448, 475)

Lepidotychius winkleri Franz, 1940: 15 . Caldara, 1986: 177 ( Tychius).

Tychius carinicollis Tournier, 1874: 479 (not Lucas, 1849). Caldara, 1986: 177.

Material examined. CHINA: Xinjiang: Tulufan (20–140 m), 24-VI-1958, leg Guang Wang (5); Tuoli, 21-VI-1955, leg Shijun Ma, Kailing Xia, Yonglin Chen (1); Shanshan (22–550 m), 20-VI-1958, leg Changqing Li (1); Wushi, 18-VII-1958, leg Shuyong Wang (1) .

Redescription. Length 2.20–2.60 mm (Fig. 77–80). Vestiture on dorsum uniformly grayish to pale brown, paler on interstria 1 and sides of elytra. Rostrum (Fig. 199–202) curved (Rl/Rw 5.33–5.42 in male, 5.25–5.83 in female; Rl/Pl 0.77–0.85 in male, 0.84–0.93 in female), at apex tapered in dorsal view and subparallel-sided in lateral view, distinctly sexually dimorphic. Pronotum (Pw/Pl 1.13–1.23) curved at sides from base to apex, slightly narrower than elytra (Ew/Pw 1.20–1.30). Elytra suboval (El/Ew 1.40–1.55). Femora (Fig. 285–286) unarmed, tibiae (Fig. 328) without sexual characters. Third tarsomere wider than second tarsomere (Fig. 341). Claws (Fig. 353) with small medial teeth as long as half of claw, fastened to claw in basal half. Male genitalia: body of penis (Fig. 384) large in basal 2/3, then distinctly abruptly narrow to apex, with small blunted tip (Fig. 419), nearly as long as apodeme. Female genitalia: spermatheca see Fig. 448; spiculum ventrale (Fig. 475) with thin arms spaced in basal third but distinctly narrowing to middle, then completely joined to apex.

Remarks and comparative notes. This species is very closely related to T. urbanus, from which it differs by the shape of the rostrum and the aedeagus.

Biology. This species lives on Alhagi pseudalhagi (M. Bieb.) Desv. ex B. Keller & Shap. in Central Asia (Karasjov, 1994).

Distribution. This species was previously known from southern Russia, the Caucasus, Egypt and western to central Asia. New record from China (XIN).