Nysius helveticus
Creators: name: Ge, Xinyu
name: Li, Junlan
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Lygaeidae
Nysius
Nysius helveticus

description: Nysius helveticus (Herrich-Schaeffer, 1850)
(Fig. 3)
Cymus helveticus Herrich-Schaeffer,1850: 203.
Nysius helveticus: Zheng & Zou, 1981: 28.
Diagnosis: The body color is flavescent or testaceous. Nysius helveticus is distinguished from other species by scutellum with obvious flavescent carina, corium nearly translucent, and lateral margin of corium not conspicuously arched. Inner projection of paramere (Fig. 12) blunt. Pygophore (Fig. 17), spermatheca (Fig. 22) and ejaculatory reservoir (Fig. 27) as shown in the figures.
Measurements. Male. (n=10): Total length: 4.80–5.50 (5.15); head length: 0.85–1.00 (0.92); head width: 1.10–1.20 (1.14); interocular space: 0.65–0.71 (0.68); Antennal segments:? 0.33–0.35 (0.34),? 0.71–0.76 (0.73),? 0.51–0.55 (0.54),? 0.62–0.67 (0.66); pronotum length: 0.94–1.00 (0.97); pronotum width: 1.40–1.60 (1.54); scutellum length: 0.53–0.70 (0.61); scutellum width: 0.71–0.93 (0.81); claval commissure length: 0.48–0.52 (0.50); abdomen length: 2.60–2.90 (2.76); abdominal width: 0.81–1.20 (0.96).
Female. (n=10): Total length: 4.90–5.80 (5.45); head length: 0.90–1.10 (1.05); head width: 1.15–1.35 (1.22); interocular space: 0.69–0.81 (0.79); Antennal segments:? 0.33–0.36 (0.34),? 0.72–0.77 (0.74),? 0.51–0.55 (0.54),? 0.63–0.69 (0.67); pronotum length: 0.98–1.10 (1.04); pronotum width: 1.55–1.70 (1.61); scutellum length: 0.60– 0.76 (0.69); scutellum width: 0.74–0.96 (0.85); claval commissure length: 0.49–0.53 (0.51); abdomen length: 2.70– 3.30 (3.12); abdominal width: 1.00–1.70 (1.53).
Material examined. INNER MONGOLIA: Alxa League: Alxayouqi, 3♀♀, 30-VII-1984, Nonnaizab; Ordos City: 1♀, Dongsheng District, 17-VIII -1988. Xilingol League: Taipusiqi, 1♂, 8-VIII-1987; Zhenglanqi, Sanggendalai Town, 2♀♀, 27-VII-1987. Chifeng city: Balinyouqi, Hanshan forest, 4♀♀ 3♂♂, 7-VII-1982, Nonnaizab; 9♀♀ 8♂♂, 15-VII-2017, Ge Xinyu. Hinggan League: Aershan City, 2♀♀, 27-VII-1984; 3♀♀, 12- VIII-1990; 1♂, 31-VII-2007; Keerqinyouyizhongqi, 2♂♂, 4-VIII-1989; Keerqinyouyiqianqi, 1♂, 27-VII-1984; Hulunbuir City: Molidawa daurzizhiqi, 1♀, 16-VII-1981; Ewenkezizhiqi, 4♀♀ 1♂, 21-VII-1986, Nonnaizab; Erguna City, 2♂♂, 27-VII-1985; Hulunbuir City, 1♂, 26-VII-1980; Xinbaerhuzuoqi, 5♀♀ 6♂♂, 28-VII-2007, Li Hongwei; Zhalantun City, 1♀, 2-VII-1982. MONGOLIA: Uvs aimag: Ualchiusum, 1♀, 12-VIII-1 975. Arkhangai aimag: Tuvshruulekh, 2♀♀ 2♂♂, 21-VII-1970; 3♀♀, 26-VIII-1 980. Selenge aimag: shaamar, 1♂, 26-VII-1989; 1♀, 6-VII-1982; Shariin gol, 3♀♀, 2-VIII-1975; Bayan gol sum, 2♀♀ 1♂, 7-VIII-1975. Dornod aimag: Derkhiin tsagaan ovoo, Bayanburd 60km, 8♀♀ 6♂♂; Nomrog gol, 1♀, 8-VIII-1976.
Distribution. Inner Mongolia, China: Alex League (Alexyouqi), Ordos City (Dongsheng Distric), Xilingol League (Taipusiqi, Zhenglanqi, Sanggendalai), Chifeng City(Balinyouqi, alukeerqinqi), Hinggan League (Aershan City, Keerqinyouyizhongqi, Keerqinyouyiqianqi), Hulunbuir City (Molidawa daurzizhiqi, Ewenkezizhiqi, Erguna City, Hulunbuir City, Xinbaerhuzuoqi, Zhalantun City, Hailaer City); Mongolia: Uvs, Arkhangai, Selenge, Dornod, Khentii, Sukhbaatar, Hovd; Elsewhere: China (Beijing), Asia, Europe.
description: Published as part of Ge, Xinyu & Li, Junlan, 2019, Review of the genus Nysius Dallas from Mongolian Plateau (Hemiptera: Heteroptera: Orsillidae), pp. 171-183 in Zootaxa 4560 (1) on page 176, DOI: 10.11646/zootaxa.4560.1.10, http://zenodo.org/record/2627326