Megalotomus junceus ( Scopoli, 1763 )

Yi, Wenbo, Wang, Shijun, Zhang, Hufang & Bu, Wenjun, 2022, Notes on Megalotomus Fieber, 1860 in the Palaearctic Region (Hemiptera, Heteroptera, Alydidae), Zootaxa 5128 (2), pp. 211-224 : 216

publication ID	https://doi.org/10.11646/zootaxa.5128.2.3
publication LSID	lsid:zoobank.org:pub:64977C0C-5A79-47C5-96BF-7895D1FFBC7B
DOI	https://doi.org/10.5281/zenodo.6499058
persistent identifier	https://treatment.plazi.org/id/03BD5626-8373-7E0C-A3C0-FF0EB4246824
treatment provided by	Plazi (2022-04-23 13:33:27, last updated 2024-11-27 05:22:48)
scientific name	Megalotomus junceus ( Scopoli, 1763 )
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Treatment

Megalotomus junceus ( Scopoli, 1763) View in CoL

( Figs. 8–10 View FIGURES 8–16 , 26–28 View FIGURES 23–43 )

Cimex junceus Scopoli, 1763: 135 . Syntype (s): Slovenia, Ljubljana; lost ( Dolling 2006).

Alydus limbatus Herrich-Schaeffer, 1835 View in CoL : pl. 12 and legend (syn. Reuter, 1888: 164). Syntypes: Germany (Stuttgart) and Slovenia? (Istria); ZMHB (in part).

Alydus pavidus Gorski, 1852: 131 View in CoL (syn. Fieber, 1861: 226, with limbatus View in CoL ).

Megalotomus junceus ( Scopoli, 1763) View in CoL : Hsiao, 1977: 276–277; Nonnaizab et al., 1986: 305–313; Moulet, 1995: 272–273; Nonnaizab, 1999: 76–77; Dolling, 2006: 38; Huang et al, 2013: 135–136.

Diagnosis. This species is recognized within the genus Megalotomus by a combination of the following characters: medium-sized, 13.0– 14.5 mm in length, body slender, mostly dark black, anterior margins of forewings yellowish, anterior half of connexivum of abdominal segments IV–VI with a bright yellowish patch on each side; antennal segment IV longer than segments II and III together; posterior angle of pronotum acute and pointed, with sharp apex; surcapsular spines of the genital capsule straight, each one with a broadly triangular process at the outer margin close to base and a series of small serrations on the inner margin of apex; parameres wide and slightly curving, each one with two pointed terminal apices.

Material examined. China: Hebei Province: 5 ♂♂, 2 ♀♀, Xiaowutaishan National Nature Reserve , Songzhikou, 1200 m, 3-August-2000, Weibing Zhu, Jincheng Ge, Wenjun Bu, Wenxiang Wang leg. ( NKUM) ; 1 ♂, 3 ♀♀, Xiaowutaishan National Nature Reserve , Yuxian County, 1200 m, 26-July-2000, Jincheng Ge, Peng Wang, Guoqing Liu leg. ( NKUM) ; 1 ♀, Xinglong County, 23-June-1995, Jianzhen Dong leg. ( NKUM) ; Heilongjiang Province: 3 ♂♂, Ning’an City, Pubu Village , 7-August-2003, Yunling Ke leg. ( NKUM) ; 3 ♂♂, 4 ♀♀, Ning’an City, Jingpo Lake , 11-August-2003, Weibing Zhu leg. ( NKUM) ; 4 ♂♂, 5 ♀♀, Ning’an City, Xiaobeihu Forestry Farm , 5-August-2003, Ying Tian leg. ( NKUM) ; Liaoning Province: 3 ♂♂, 4 ♀♀, Kazuo County, Caochang Town, Seshuling , 18-August-1998, Yiping Wang leg. ( NKUM) ; 1 ♀, Kazuo County, Shizui Mountain , 15-August-1998, Yiping Wang leg. ( NKUM) ; 1 ♀, Beipiao City, Daheishan , 2-August-2012, Wenbo Yi, Junli Xue leg. ( NKUM) ; Jilin Province: 1 ♀, Changbai Mountain, Antu County, Erdao Village , 26-August-2001, Jun Li leg. ( NKUM) ; Inner Mongolia: 1 ♂, Huhhot, Daqing Mountain , 11-September-1991, Leyi Zheng leg. ( NKUM) .

Distribution. Asia: China (Beijing, Hebei, Heilongjiang, Liaoning, Jilin, Jiangsu, Inner Mongolia, Shandong), Kazakhstan, Mongolia, North Korea, Russia (East Siberia, Far East, West Siberia), South Korea; Europe: Austria, Bosnia Hercegovina, Bulgaria, Croatia, Czech Republic, France, Germany, Hungary, Italy, Macedonia, Romania, Russia (Central European Territory, South European Territory), Slovakia, Slovenia, Switzerland, Ukraine, Yugoslavia ( Serbia, Montenegro).

Remarks. This is the most widespread species among the genus, and has been recorded in many countries from the Palaearctic region (see above).

References

Dolling, W. R. (2006) Family Alydidae Amyot & Serville, 1843. In: Aukema, B. & Rieger, C. (Eds.), Catalogue of the Heteroptera of the Palaearctic Region. Vol. 5. Pentatomomorpha II. The Netherlands Entomological Society, Amsterdam, pp. 34 - 38.

Gorski, S. B. (1852) Analecta ad entomographiam provinciarum occidentali-meridionalium Imperii Rossici. Fasc. I. Nicolai, Berlin, 214 pp. https: // doi. org / 10.5962 / bhl. title. 12465

Hsiao, T. Y. (1977) Alydinae. In: Hsiao, T. Y., Ren, S. Z. & Zheng, L. Y. (Eds.), A handbook for the determination of the Chinese Hemiptera-Heteroptera. Vol. 1. Science Press, Beijing, pp. 276 - 277, pls. 49 - 50. [in Chinese, English summary]

Huang, W. J, Ren, G. D. & Yang, X. J. (2013) Alydidae. In: Ren, G. D., Guo, S. B. & Zhang, F. (Eds.), Fauna of insects from Xiaowutai Mountain. Press of Hebei University, Baoding, pp. 135 - 136. [in Chinese]

Moulet, P. (1995) Hemipteres Coreoidea (Coreidae, Rhopalidae, Alydidae), Pyrrhocoridae, Stenocephalidae euro-mediterraneens. Faune de France 81. France et regions limitrophes. Federation francaise des Societes de Sciences Naturelles, Paris, pp. 245 - 273. [in French]

Nonnaizab, Liu, Q., Yan, D. P. & Fan, X. F. (1986) In: Nonnaizab (Ed.), Fauna of Inner Mongolia (Hemiptera: Heteroptera). Vol. I. Book 1. Inner Mongolia People's Press, Huhehot, pp. 305 - 313. [in Chinese, English summary]

Nonnaizab, (1999) Insects of Inner Mongolia. Inner Mongolia People's Press, Huhehot, 506 pp.

Reuter, O. M. (1888) Hemiptera Sinensia Enumeravit ac novas species descripsit. Revue d'Entomologie, VII, 63 - 69.

Scopoli, J. A. (1763) Entomologia carniolica exhibens Insecta Carnioliae indigena et distributa in ordines, genera, species, varietatis. Methodo Linnaeana. Trattner, Vindobonae, xxxvi + 420 pp. https: // doi. org / 10.5962 / bhl. title. 119976

Figures

FIGURES 8–16. Megalotomus spp., dorsal, lateral and ventral views. Figs. 8–10, M. junceus (Scopoli, 1763), female (China: Liaoning Province, Beipiao City); Figs. 11–13, M. ornaticeps (Stål, 1858), male (China: XinjiangAutonomous Region, Tacheng County, Yemenle Town); Figs. 14–16, M. castaneus Reuter, 1888, female (China: Hebei Province, Xiaowutaishan); Figs. 8, 11, 14, dorsal views; Figs. 9, 12, 15, lateral views; Figs. 10, 13, 16, ventral views. Scale in mm.

FIGURES 23–43. Male genitalia of Megalotomus spp. and Alydus calcaratus (Linnaeus, 1758). Figs. 23–25, M. angulus (Hsiao, 1965) comb. nov.; Figs. 26–28, M. junceus (Scopoli, 1763); Figs. 29–31, M. ornaticeps (Stål, 1858); Figs. 32–34, M. castaneus Reuter, 1888; Figs. 35–37, M. zaitzevi Kerzhner, 1972; Figs. 38–40, M. acutulus Liu & Liu, 1998; Figs. 41–43, Alydus calcaratus (Linnaeus, 1758); Figs. 23, 26, 29, 32, 35, 38, 41, genital capsules, dorsal view, parameres removed, pilosity only shown on left side; Figs. 24, 27, 30, 33, 36, 39, 42, left parameres, dorsal view; Figs. 25, 28, 31, 34, 37, 40, 43, same, lateral view. Scale in mm.