Hemiptera: Miridae) of the Hulunbuir Region, Inner Mongolia of China
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© Entomologica Fennica. 16 December 2016 Fauna, ecological properties, and zoogeographical composition of Mirinae (Hemiptera: Miridae) of the Hulunbuir region, Inner Mongolia of China Kai Shi, Yuanyuan Li & Ruijun An Shi, K., Li, Y. Y. & An, R. J. 2016: Fauna, ecological properties, and zoogeo- graphical composition of Mirinae (Hemiptera: Miridae) of the Hulunbuir region, Inner Mongolia of China. — Entomol. Fennica 27: 173–189. The fauna, ecological properties, and zoogeographical composition of Mirinae of the Hulunbuir region of China were studied and summarized. A total of 65 spe- cies belonging to 2 tribes and 19 genera were recorded. Among them, Chara- gochilus gyllenhalii (Fallén, 1807), Lygus poluensis (Wagner, 1967) and Phyto- coris zhengi Nonnaizab & Jorigtoo, 1992 are new records for the Hulunbuir re- gion and the former species is the first record also for the entire Inner Mongolia. In the Hulunbuir region, the highest number of Mirinae species (31) was col- lected from the Ewenki Autonomous Banner during July within the elevations of 601–750 m. From the perspective of zoogeographical composition, the Mirinae species found in Hulunbuir belong to faunae attributed to the Palaearctic, Orien- tal, and Nearctic regions with the Palaearctic dominating. K. Shi*, Y. Y. Li and R. J. An, Agricultural College, Inner Mongolia University for Nationalities, Tongliao 028043, Inner Mongolia, P. R. China; *Corresponding author’s e-mail: [email protected] Received 31 July 2016, accepted 3 November 2016 1. Introduction performed on the Mirinae fauna in China is by Zheng et al. 2004. Up to now, 412 species and 80 Mirinae is the largest subfamily of Miridae (He- genera of this subfamily have been recorded from miptera, Heteroptera), with seven tribes, 418 gen- China, belonging to Hyalopeplini Carvalho, 1952 era and more than 4,000 described species in the (8 genera 13 species), Mecistoscelini Carvalho, world (Schuh 1995, Schuh & Slater 1995, Cassis 1959 (3 genera 3 species), Mirini Hahn, 1833 (60 & Schuh 2012, Schuh 2013). Studies of different genera 344 species), and Stenodemini China, scopes have been performed by various research- 1943 (9 genera 52 species) (Zheng 1995, Qi et al. ers on the Mirinae fauna. The majority of these 2003, Zheng et al. 2004, Qi et al. 2008, Schwartz are faunistic and taxonomic studies. Many re- 2008, Konstantinov & Vinokurov 2011, Kon- cords of Mirinae are located relatively close to the stantinov et al. 2013, Vinokurov & Luo 2014). Chinese borders or cover China, i.e. in the Soviet From Inner Mongolia of China, 17 genera and 90 Far East, Siberia or the Palaearctic Region species of Mirinae have been recorded (Bai 1999, (Vinokurov 1979, Kerzhner 1988, Vinokurov & Qi et al. 2003, Zheng et al. 2004). Kanyukova 1995, Kerzhner & Josifov 1999, Au- Most Mirinae are herbivorous and some are kema et al. 2013). The most representative study known as serious crop pests (Shiba & Sugawara 174 Shi et al. • ENTOMOL. FENNICA Vol. 27 Fig. 1. Map of research area, Hulunbuir region in North China (modi- fied from https://en. wikipedia.org/wiki/ Hulunbuir). 2005, Koczor et al. 2012, Liu et al. 2015, Zhang Barag Right Banner) (Fig. 1). Its territory in- et al. 2015), for example Adelphocoris lineolatus cludes the well-known Erguna Wetland, Daxin- (Goeze, 1778), Apolygus lucorum (Meyer-Dür, ganling Mountains, and Hulunbuir Prairie. The 1843), Lygus pratensis (Linnaeus, 1758) and Erguna Wetland is the most intact wetland in Trigonotylus caelestianum (Kirkaldy, 1902). China and it is also known as “the first wetland in The Hulunbuir region is located in the north- Asia”. Daxinganling Mountains run through the east of Inner Mongolia Autonomous Region, Hulunbuir region in a northeast-southwest direc- ranging from 47°05–53°20’N and 115°31– tion. The western area of Daxinganling Moun- 126°04’E, with an area of 253,000 km2.Itisa tains is mainly grassland while the eastern area is transitional zone between the forest meadows to farmland. The Hulunbuir Prairie is one of the the arid grassland of Northeast China. The world’s three prairies, with a total area of about Hulunbuir region is located inland with relatively 100,000 km2, of which 80% is natural grassland high latitude, belonging to the temperate conti- (Editorial Committee of the Mongolia Encyclo- nental climate. The climate is characterized by pedia 2012). The Hulunbuir region has varied ter- long cold winter, dry windy spring, short cool rains and landforms, rich in animal, plant, and summer, and autumn with early frost and plung- mineral resources. In recent years, because of ex- ing temperatures. It includes politically one dis- tensive development, farming, logging, ranching, trict (Hailer), five cities (Erguna, Genhe, Manz- mining, and tourism, this region has met with houli, Yakeshi, Zhalantun), three autonomous vegetation destruction, habitat fragmentation, banners (Ewenki Autonomous Banner, Molida- biodiversity loss, and increased frequency of wa Daur Autonomous Banner, Oroqen Autono- sandstorms. The Hulunbuir region is facing se- mous Banner) and four banners (Arun Banner, vere ecological degradation. Chen Barag Banner, Xin Barag Left Banner, Xin Speceis of Mirinae are usually well repre- ENTOMOL. FENNICA Vol. 27 • Mirinae of Hulunbuir region of China 175 sented in grassland habitats (Zheng et al. 2004). tionalities (IMUN), Inner Mongolia, China. Ac- There are no systematic studies of the Mirinae cording to the literatures (Carvalho 1952, 1955, fauna of Hulunbuir region. The knowledge of the Vinokurov 1979, Kerzhner 1988, Schuh 1995, Mirinae species from this region is limited to very Vinokurov & Kanyukova 1995, Kerzhner & Josi- scattered and incomplete collections, lacking de- fov 1999, Schwartz & Eyles 1999, Demchenko tailed and accurate locality information. The aim 2003, Zheng et al. 2004, Aglyamzyanov 2005, of this paper is to investigate the fauna and spe- Schwartz 2008, Aglyamzyanov 2009, Gapon cies composition, provide detailed distributional 2014, Vinokurov & Luo 2014), all the specimens and ecological data (phenology, elevation, loca- were examined using a Zeiss stemi 305 stereo- tion) for the Mirinae of Hulunbuir region. We an- microscope (lab microscope-set, configuring 2.0 ticipate our project will provide supporting data X front optics, max magnification 80 X). for future research on biodiversity, biogeography, and ecology of this poorly known region. 3. Checklist of Mirinae species of Hulunbuir Region 2. Materials and methods 3.1. Adelphocoris fasciaticollis Reuter, 1903 In this study, all data of the examined specimens Material examined. Ewenki Autonomous Ban- was compiled from two sources: ner: Xinihedong, 48°47’43”N, 119°49’05”E, 787 m, 23.VII.1988, 1#, N. Bai leg. (EMIMNU); 1) From samplings between June and September Hailar, 49°14’13”N, 119°45’21”E, 617 m, of 2011–2015 in eight areas of Hulunbuir re- 4.VIII.1987, 1#, N. Bai leg. (EMIMNU). gion (Chen Barag Banner, Ewenki Autono- mous Banner, Xin Barag Left Banner, Xin 3.2. Adelphocoris ferrugineus Hsiao, 1962 Barag Right Banner, Genhe, Erguna, Manz- Material examined. Ewenki Autonomous Ban- houli, Yakeshi). ner: Xinihedong, 48°47’43”N, 119°49’05”E, 2) From earlier label records of specimens 787 m, 23.VII.1988, 2##, N. Bai leg. and/or types deposited in the Entomology (EMIMNU); Hailar, 49°12’33”N, 119°46’11”E, Museum of Nonnaizab Entomology Research 609 m, 24.VII.1981, 2$$, N. Bai leg. Center, Inner Mongolia Normal University (EMIMNU). (EMIMNU); these involve eleven areas of Hulunbuir: Hailar, Oroqen and Zhalantun in 3.3. Adelphocoris laeviusculus Vinokurov, 1976 addition to the eight above-mentioned areas. Material examined. Erguna, 50°14’29”N, 120°10’20”E, 576 m, 4.VIII.1985, 1#, 1$, Q. For the first source above, five sampling sites Liu leg. (EMIMNU). were chosen from different habitats in our each collecting area. Mirinae specimens were col- 3.4. Adelphocoris lineolatus (Goeze, 1778) lected by a five-plot sampling method (center and Material examined. Chen Barag Banner: four corners of each sampling site), for a total of Bayinhushu, 49°10’24”N, 119°12’48”E, 598 m, 40 sampling sites and 200 plots (a plot 50 m × 50 23.VII.2012, 4##, 9$$, Mehetuya leg. m). The samplings were performed in fine (IMUN), Ewenke County, 49°52’19”N, 120°23’ weather (at approximately 9:00 to 16:00 h), with 49”E, 710 m, 24.VII.2014, 2##, 7$$, K. Shi one person per plot sweep netting for one hour. leg. (IMUN), Jinzhanghan, 49°30’16”N, 119°46’ All sampling sites were collected one time per 85”E, 651 m, 25.VII.2014, 12##, 41$$, K. Shi year, each equally and fully as far as possible. For leg. (IMUN), Wuzhuer County, 49°33’53”N, each sampling site, the vegetation type, the GPS 118°30’20”E, 531 m, 25.VII.2012, 2##, 11$$, coordinates and the altitude was recorded. Col- Mehetuya leg. (IMUN); Erguna, 50°16’19”N, lected insects were killed in poison bottles (ethyl 120°12’24”E, 582 m, 13.VII.1988, 11##, acetate). Adults of Mirinae were pinned and de- 20$$, N. Bai leg. (EMIMNU); Ewenki Auton- posited in the Inner Mongolia University for Na- omous Banner: Nantun, 49°08’48”N, 119°44’ 176 Shi et al. • ENTOMOL. FENNICA Vol. 27 48”E, 613 m, 2.VIII.1981, 2## (EMIMNU); Ewenki Autonomous Banner: Xinihexi, 48°56’ Hailar, 49°14’13”N, 119°45’21”E, 617 m, 41”N, 119°46’30”E, 633 m, 11.VIII.2014, 8##, 9.VIII.1981, 1$ (EMIMNU); Oroqen Autono- 68$$, K. Shi leg. (IMUN); Hailar, 49°14’13” mous Banner: Alihe, 50°35’01”N, 123°43’ N, 119°45’21”E, 617 m, 25.VII.1981, 2$$ 07”E, 423 m, 29.VII.1980, 9##, 20$$ (EMIMNU); Oroqen Autonomous Banner, (EMIMNU); Zhalantun, 48°01’41”N, 122°43’ Alihe, 50°35’01”N, 123°43’07”E, 423 m, 52”E, 318 m, 3.VII.1981, 1#, 2$$, N.