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Orthoptera: Tettigoniidae: Phaneropterinae; Barbitistini) from China

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Orthoptera: Tettigoniidae: Phaneropterinae; Barbitistini) from China Zootaxa 4612 (2): 296–300 ISSN 1175-5326 (print edition) https://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2019 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4612.2.13 http://zoobank.org/urn:lsid:zoobank.org:pub:9D47A470-D738-41AD-87C1-F9623D65ECAE New record of a Poecilimon species (Orthoptera: Tettigoniidae: Phaneropterinae; Barbitistini) from China CHAO WU1 & CHUNXIANG LIU1,2 1Key Laboratory of the Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beichen West Road, Chaoyang District, Beijing 100101, China 2Corresponding author. E-mail: [email protected] Abstract Although in “Fauna Sinica Insecta” 247 species of Phaneropterinae are recorded for China, there is not a single record of a species from the tribe Barbitistini. Herein, we newly record a small-sized and short-winged species of this tribe belonging to the genus Poecilimon (Fischer, 1853). We identified the species as Poecilimon intermedius (Fieber, 1853) which was collected in the Xinjiang Uygur Autonomous region, China. The records of the interesting species extend its distributional range in Asia. Detailed citations, description and necessary illustrations are provided. Key words: Barbitistini, Poecilimon, China, new record of Phaneropterinae Introduction The tettigoniid subfamily Phaneropterinae is very rich in species in China. In the most recent review, over 247 spe- cies of this group were recorded in China, belonging to 47 genera from the five tribes Ducetiini, Elimaeini, Holo- chlorini, Mirollini and Phaneropterini (Kang et al. 2014). However, as an exception not any record and specimen of species from tribe Barbitistini was recorded from China. Species of the tribe Barbitistini are short-winged and mostly small-sized, and they are widely distributed in temperate forests, Taiga, and grassland in Western Eurasia. The tribe includes 14 valid genera and 282 species with 64 subspecies (Cigliano et al. 2019). Only a few species of Poecilimon Fischer extend into some countries of cen- tral Asia, and some species of Leptophyes Fieber and Isophya Brunner von Wattenwyl are only distributed in South Western Asia (mainly Turkey). The genus Poecilimon Fischer is one of the most species-rich genera of the Phaneropterinae. Currently it in- cludes 142 species with 40 subspecies, distributed from Europe to Central Asia. The species distributed most east- wards is P. intermedius (Fieber, 1853), a member of the Poecilimon ampliatus-group, which can easily be recog- nized by the red/dark midline of the pronotum (see Heller & Lehmann 2004; p.413 intermedius). P. intermedius is one of the few insect species known with obligate but diploid parthenogenetic reproduction (Lehmann et al. 2007; Lehmann et al. 2011). Males have never been found; some old records of males are considered as misidentifica- tions. However, a male may appear if the female loses one of her X-chromosomes in early embryonic development (Heller, personal communication). The auditory sensitivity was largely reduced in the parthenogenetic bushcricket females (Lehmann et al. 2007; Strauß et al. 2014), but hearing was clearly maintained (Lehmann 2012). P. inter- medius occurs in the Eastern European-West Asian xero-mesophytic steppe grasslands, which are probable natural habitat patches fragmented in the forest steppe zone (Kenyeres & Bauer 2008). Herein, we report for first time the tribe Barbitistini in temperate Betula platyphylla Sukaczev forest in Aletai area in Xinjiang Uygur Autonomous Region, China, represented by the interesting species P. intermedius. Thus the distribution range of the tribe Barbitistini, the genus Poecilimon and the species P. intermedius extends from West Europe to northwestern area of Central East Asia. The specimens are deposited in the Collection of Institute of Zool- ogy, Chinese Academy of Sciences. 296 Accepted by D. Rentz: 23 Apr. 2019; published: 29 May 2019 Barbitistini Barbitistini Jacobson, 1905 In Jacobson & Bianchi. 323, 354; Bey-Bienko, 1954. Fauna of the U.S.S.R. 59:129; Braun, 2010. Zootaxa 2444:59. Small or medium-sized Phaneropterinae. Pronotum without humeral notch on lateral lobes. Tegmina short, atro- phied, in male transformed into stridulatory organ. Fore coxae without spine, both tympanal openings on fore tibiae exposed, oval, membranous. Male cerci sometimes serrate apically. Male subgenital plate without styli. (Bei-Bienko 1954). Poecilimon Fischer, 1853 Artvinia Karabag, 1962. Proc. R. Ent. Soc. London, 31:9; Heller, et al., 2006. Eur. J. Entomol. 103:853–865. Eupoecilimon Tarbinsky, 1932. Bull. Leningrad Inst. Contr. Farm and Forest Pests, 2:183; Bey-Bienko, 1954. Fauna of the U.S.S.R., 59:252. Micrimon Ramme, 1942. Mitt. Zool. Mus. Berlin, 25(2):337; Ünal, 2005. Trans. Amer. Entomol. Soc., 131(3–4):433. Parapoecilimon Karabag, 1975. J. Nat. Hist., 9(3):339; Kaya, et al., 2018. Zootaxa 4462(4):454. Poecilimonella Uvarov, 1921., Ent. Monthly Mag., 7(3):44; Ünal, 2010. Trans. Amer. Entomol. Soc., 136(1–2):138. Poecilimon Fischer, 1853. Orthoptera Europaea, 227; Brunner von Wattenwyl, 1878. Monographie der Phaneropteriden, 37; Kirby 1906. A Synonymic Catalogue of Orthoptera 2:375. Type species: Barbitistes jonicus Fieber, 1853 (Cigliano et al. 2019) Small or medium-sized. Head slightly rounded, with distinct dorsal groove. Pronotum elongate, mesozona slightly narrowed, metazona widened. Fore coxae without spine, fore tibiae not more than 1.5 times pronotal length. Teg- mina short and scaly, mostly small or strongly reduced in female. Hind femora slender, mostly without ventral spinules. Male abdomen wide. Male cercus short and stout; moderately straight and slightly tapering in basal half. Ovipositor strong, relatively long, with straight or nearly straight ventral edge and with distinct teeth. (Bei-Bienko 1954). Poecilimon (Poecilimon) intermedius (Fieber, 1853) (Fig. 1–2) Barbitistesintermedius Fieber, 1853. Lotos 3:176, 260; Odontura intermedia, Frivaldszky, 1868 [1867]. Magyarországi Egyenesröpüek magánrajza, 94; Poecilimon intermedius, Brunner von Wattenwyl, 1878. Monographie der Phaneropteriden 38, 47; Ramme, 1933. Mitt. Zool. Mus. Berlin 19:525; Chládek, 1980. Articulata 1(15):152; Heller & Lehmann, 2004. Mem. Soc. Entomol. Ital. 82(2):403– 422 Ttype locality: Russia: Southern Ural, Spasskoe (Spask) on the Bolshoi Ik River, east of Chkalov (Orenburg) (Bey- Bienko, 1954) Type material: lost (Otte, 1997) Examined specimens. 3 females [No. IOZ(E) 1951209 – 1951211]: China: Xinjiang Uygur Autonomous Re- gion: Aletai Area: Habahe County: Kulebai Town: Baihaba Nature Reserve, Betula platyphylla forest, 1335m, N48.40°, E86.45°, 2009.VII.23, Coll. Huang Xinlei. Female. Small to medium-sized, tegmina rudimentary. Head long ovoid, smooth. Compound eyes long oval, not bulging. Antennae longer than body, basal segment distinctly inflated, flagellum thread-like, slender, long. Disc of prozona slightly convex, and metazona slightly slanting from middle line to lateral carinae. Pronotum gradually broadened caudad. Pronotum with an indistinct brown stripe along the lateral margin of pronotal disc (Fig. 2c). Posterior margin without concavity. Anterior femur without spines, anterior tibiae dorsally approximately flat, with tympana open on both sides; widened at and gradually constricted below tympana. Anterior tibiae longer than fe- mur, with 6–7 sparsely-arranged small spines on dorsal margins, with 5–6 posterior spines on ventral margin. Hind femur slender, arched; hind tibiae slender, longer than hind femur, with 18–19 anterior and 19–21 posterior spines on dorsal margins. AMORPHOSCELIS OF CHINA Zootaxa 4612 (2) © 2019 Magnolia Press · 297 FIGURES 1. Poecilimon intermedius (Fieber) body in lateral view and dorsal view. Abdomen broad and hypertrophied. Each abdominal segment structure about square. Supra-anal plate broad, similar wide triangle. Cerci conical (Fig. 2a). Subgenital plate distinctly transverse, smooth, without emargination (Fig. 2b). Ovipositor strong, with serrate teeth on both margins of apical part (Fig. 2d). Coloration. Generally yellowish green when alive, with intensive rash points. Body, antennae, pronotum, mid- dle and hind legs, dorsal surface of abdomen and subgenital plate yellowish green. Pronotum with a brown stripe along lateral margin of pronotal disc, legs with numerous black spines. Measurements of Female (mm) Length of body: 23.13–23.15; length of pronotum: 4.15–4.18; length of anterior femur: 4.83–4.88; length of posterior femur: 13.37–13.40; length of posterior tibiae: 14.01–14.05; length of ovipositor: 8.22–8.41. Distribution. Europe, East Russia, Kirgistan, Kazakhstan, China (Xinjiang). Discussion This is the first time that the tribe Barbitistini is recorded in China. Members of this tribe are difficult to identify to the genus or species level, especially for female specimens, due to large number of species and some unclear historical records. According to the female ovipositor, we judge that the specimens collected from Xinjiang belong to Poecilimon ampliatus species group with all species except one distributed in Eastern Europe and Turkey. Usu- ally it is better to add male for robust identification to species, however, one species P. intermedius of the group is obligately parthenogenetic with a huge range up to Siberia and Kirgistan (Bey-Bienko 1954). For the species P. intermedius (Fieber), the previous male records are probably due to misidentification (Heller & Lehmann 2004). Then for the time being, we identify Xinjiang female specimens
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