Notes on Megalotomus Fieber, 1860 in the Palaearctic Region (Hemiptera, Heteroptera, Alydidae) Author Yi, Wenbo Department of Biology, Xinzhou Teachers University, Xinzhou 034000, China Author Wang, Shijun School of Plant Protection, Shanxi Agriculture University, Taigu 030800, China Author Zhang, Hufang Department of Biology, Xinzhou Teachers University, Xinzhou 034000, China Author Bu, Wenjun Institute of Entomology, Nankai University, Tianjin 300071, China text Zootaxa 2022 2022-04-20 5128 2 211 224 journal article 55848 10.11646/zootaxa.5128.2.3 7b070c6a-fd3e-40b6-b8b2-f38d09aa9360 1175-5326 6479798 64977C0C-5A79-47C5-96BF-7895D1FFBC7B Megalotomus zaitzevi Kerzhner, 1972 ( Figs. 17–19 , 35–37 ) Megalotomus zaitzevi Kerzhner, 1972: 350 . Holotype : ♂ , Uzbekistan , Bukhara; ZMAS. Liu & Liu, 1998: 41–43 ; Nonnaizab et al ., 1986: 305–313 ; Nonnaizab, 1999: 76–77 ; Dolling, 2006: 38 . Diagnosis. This species is recognized within the genus Megalotomus by a combination of the following characters: body size relatively moderate, 12.0–14.0 mm in length, reddish brown or yellowish brown, with small and red spots on legs and corium of forewing; posterior region of ocellus with black spot; posterior angle of pronotum acute, but not ending in sharp spine; surcapsular spines of male genital capsule curved, tapering to a point, with the apices close to each other; parameres elongate, broadly extended and strongly curving in middle, with a large and a small spine midway, terminating with 3–5 small spines on both sides. Material examined. China : Inner Mongolia : 2 ♂♂ , Ejin Banner , 980 m , 26-July-1991 , Liu leg. ; Xinjiang Uygur Autonomous Region : 4 ♂♂ , 5 ♀♀ , Korla, Weili, ecological park of Primitive Populus euphratica forest, 25-August-2002 , Weibing Zhu , Yunling Ke , Jun Lv leg. (All above specimens were housed in NKUM .) . Distribution. Asia: China ( Inner Mongolia , Xinjiang Uygur Autonomous Region), Kazakhstan (Asian part), Mongolia , Uzbekistan . Remarks. This species differs from others in the genus by its coloration.