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A new species of the genus Galeruca Mueller from China (Coleoptera, Chrysomelidae, Galerucinae) PDF

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Preview A new species of the genus Galeruca Mueller from China (Coleoptera, Chrysomelidae, Galerucinae)

Acta Zootaxonomica Sinica, 32 (1) : 67- 69 (Jan. , 2007) ISSN1000(cid:1)0739 动物分类学报 A NEW SPECIES OF THE GENUS GALERUCA M(cid:1)LLER FROM CHINA (COLEOPTERA, CHRYSOMELIDAE, GALERUCINAE) Ron Beenen1, YANGXing(cid:1)Ke2 1(cid:2) MartinusNijhoffhove 51, NL(cid:1)3437 ZPNieuwegein, TheNetherlands 2(cid:2) Institute of Zoology, ChineseAcademy ofSciences, Beijing 100080, China Abstract(cid:1) Galeruca (Galeruca) regularis sp. nov., fromSichuan Province, China, isdescribedandillustrated. The type specimens are deposited in Insect Collection of the Institute of Zoology, Chinese Academy of Sciences and Ron Beenen Collection, The Netherlands. Key words(cid:1) Coleoptera, Chrysomelidae, Galerucinae, Galeruca, newspecies. 1(cid:1) Introduction almost completely dull, only a small line on ventral part shining; segment 11 completely dull due to pubescence. Among a series of unidentified specimens of the Labrum black with 3 punctures with large bristles; two chrysomelid genus Galeruca from the Insect Collection of more large bristles are situated at both sides of the the Institute of Zoology, Chinese Academy of Sciences, labrum. Maxillary palpus with apical segment elongated. we discovered a yet unknown species, described herein. Pronotum. Maximal width 3(cid:2)25 mm ( in middle); The specimens have been collected on Gongga Mountain length in the middle 1(cid:2)55 mm. Front border almost (Sichuan) . This mountain is situated in the area around straight; corners produced. Front angles slightly Western Sichuan, Eastern XizangandNorthernYunnan, depressed; lateral borders evenly rounded; lateral rim which shows a high diversityofanimals andplantsand is shallow (Fig(cid:2)3). Base of pronotum uneven; two lateral rich in endemic species. Wilson (1992) refers tothisarea depressions deeper than the two depressions along the as theEastern Himalayan biodiversity(cid:2) hot spot . middle ( one before the front border and one before the The genus Galeruca is currently being revised apical border). Thelateralparts of thepronotal base also ( Beenen, 1999, 2002, 2003, 2005). During that depressed. Punctures strong, evenly spread. Hairs on revision some species newto science have been described pronotum as long as the diameter of the punctures they of which one is from China ( Galeruca parallelipennis stand in. Pronotum black at sides, red(cid:1)brown in the Beenen, 2002from Qinghai). middle; dull. The following abbreviations will be used: IZCAS(cid:1) Scutellum. Triangular; brown with margins yellow. Insect Collection of the Institute of Zoology, Chinese Shallowly punctuate. Academy of Sciences, Beijing, China; RBCN(cid:1)Ron Elytra. Flattened expansion of elytral marginnarrow Beenen Collection, Nieuwegein, TheNetherlands. and shallow. Elytra evenly punctuate. Lines were in Galeruca (Galeruca) regularis sp. nov. (Figs(cid:2)1(cid:1)3) other species costae1, 2and4are situated indicated only Holotype !. Length: 7(cid:2)60mm ( total); 7(cid:2)50mm by a more intense colour. Punctures large, but definitely (from the anterior border of the eyes to the tip of the smaller than in Galeruca ( Galeruca) daurica (Joannis) and elytra) . Greatest width across both elytra: 4(cid:2)65 mm. a bit larger ( but equally regular) than in Galeruca Winged. General colour brown; elytra with yellow (Galerotoma) haagi (Joannis) . margins (Fig(cid:2)1). Oblong; elytra flattened and broad, Aedeaeagus (Fig(cid:2)2) narrow. In dorsal view top is without costae, covering the abdomen completely. pointed. Head. Maximal width of headacross theeyes: 1(cid:2)76 Paratype ∀. Length: 9(cid:2)45 mm ( total); 8(cid:2)35 mm mm. Vertex roughly punctuate; diameter of punctures (from the anterior border of the eyes to the tip of the larger than spaces between. Vertex black with two large elytra). Greatest width across both elytra: 5(cid:2)20 mm. red(cid:1)brown spots situated at both sides of a fine and Winged. regular median longitudinal line. Frontal tubercles well The paratype is very similar to the holotype except defined with largepunctures. Antennae strong. Segments for the dimensions and sex. A genital groove is absent, 1 to6 shiny; segment7completelypubescent; apical part the tarsi of the front legs are narrow and the antennae dorsally produced; segment 8and9 with dorsal part dull lack the shiningparts. Thepronotum is more dark. The due to pubescence, ventral part shining; segment 1 elytral colour is red brown with margins yellow. Thesubjectwas supportedbytheNationalNatural ScienceFoundationof China (30600057). Revisionalnotes onGaleruca 5. Received25 Aug. 2006, accepted30 Oct. 2006. 67 (cid:1) 6(cid:1)8(cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) ActaZootaxonomica Sinica 动物分类学报(cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Vol. 32(cid:1) No. 1 2(cid:1) Materials impossible tostudy the types of Galeruca sinensis. The description of Galeruca sinensis is based on Holotype ! ( IZCAS ), Gongga Mountain, specimens collected between Tatsienlou and Kiu lung Sichuan, IZAS, Sep. 1982, alt. 4650 m., Leg. ? (cid:1) (Laboissi(cid:1)re, 1937). Tatsienlou is a locality now named TYPUS(cid:1)Holotype Galeruca regularis, Beenen &Yang det Kangding. Kangdingis located30 kmnortheastfrom the 06#. Paratype ∀ ( RBCN) , Gongga Mountain, Sichuan top of Gongga Mountain. Kiu Lung is now named IZAS, Sep. 1982, alt. 4650 m., Leg. ? (cid:1) Jiulong and is located about 100 km southwest from the PARATYPUS(cid:1)Paratype G. regularis, Beenen& Yang det top of Gonggashan. 06 . 4(cid:1) Condition of the Specimens 3(cid:1) Diagnosis Both specimens are pinned. The holotype shows no (cid:1) (cid:1) This species belongs to the species in the subgenus missing parts. The aedeagus is glued to a card on the Galeruca thatpossess a weak depression near the anterior same needle as the beetle. The female paratype misses angle ofthepronotum. Amongthese species itis theonly tarsal segments 2and following of the right metatarsus. one without costae. It is supposed to be very near to Etymology. The species is named after the Galeruca sinensis Laboissi(cid:1)re, that has elytra unicolorous characteristic evenness of the punctuation of the elytra. redbrown and possesses weak costae. It proved to be Figs(cid:2)1(cid:1)3. Galeruca regularis sp. nov. 1. Leftelytron ofthefemale paratype. 2. Aedeagus. 3. Left half opthepronotumofthe femaleparatype, showingthe lateralrim. Scale bars= 0(cid:2)5mm. 5(cid:1) Discussion occurring in the (cid:2) lower slopes of the Himalayas (Eastern Himalayas hot spot area) are limited to this In China thegenusGaleruca is represented byatleast region. It is very likely that also in other groups of 35 species. Of these, accordingtoYang&Yu(1994) 19 organisms high numbers of endemics canbe found in this are described, and 16 have not been described yet. area. Recently Beenen ( 2002) described G. parallipennis, a Galeruca regularis sp. nov. is one of the species Chinese species not among the undescribed species listed identified byYang&Yu(1994) asa separateundescribed byYang&Yu(1994). So thenumber ofGaleruca species species. So, at least 15 Chinese Galeruca species are in in China is at least 36. In the area around Western need of description. Sichuan, Eastern Xizangand Northern Yunnan ( eastern edge of the Tibetan(cid:1)plateau) 18 ofthe 35 Chinese species REFERENCES have been recorded, of which the majorityis supposed to Beenen, R. 1999. RevisionalnotesonGaleruca1. EntomologischeBl(cid:2)tter, 95: be endemic(Yang&Yu, 1994). The eastern edge of the 85(cid:1)92. Tibetan(cid:1)plateau is not only very rich in Galeruca species. Beenen, R. 2002. RevisionalnotesonGaleruca2. EntomologischeBl(cid:2)tter, 98: Wilson (1992) states that 39% of the 9000plant species 21(cid:1)28. Beenen, R. 2003. Galeruca (Galemira n. subgen.) subcostata n. sp. from Jan., 2007 RonBeenen等: 萤叶甲属一新种 (鞘翅目, 叶甲科, 萤叶甲亚科) 69 (cid:1) Pakistan. Revisional notes on Galeruca 3. Stuttgarter Beitr(cid:2)ge zur Wilson, E. O. 1992. The Diversity of Life. Belknap Press of Harvard Naturkunde(Serie ABiologie). 648: 1(cid:1)9. UniversityPress, Cambridge. Beenen, R. 2005. The identity of Galeruca circassica Reitter andG. bicolor Yang, X(cid:1)KandYu, P(cid:1)Y1994. Morphological adaptationstohighaltitudein Kollar &Redtenbacher(Revisionalnotes onGaleruca4). Entomologische GalerucaspeciesofChina. In: Furth, D. G. (ed.), Proceedings of Bl(cid:2)tter, 101: 13(cid:1)20. the Third International Symposium on the Chrysomelidae. Beijing, Laboissi(cid:1)re, V. 1937. NouveauxGalerucinaepal(cid:2)arctiques. Bull. Soc. Ent. 1992: BackhuysPublishers, Leiden. 102(cid:1)115. France, 42: 27(cid:1)31. 萤叶甲属一新种 (鞘翅目, 叶甲科, 萤叶甲亚科) RonBeenen1(cid:1) 杨星科2 1(cid:2) 荷兰 2(cid:2) 中国科学院动物研究所(cid:1) 北京(cid:1) 100080 摘(cid:1) 要(cid:1) 记述采自我国四川贡嘎山的萤叶甲属1新种: 匀刻 科学院动物研究所标本馆, 副模由荷兰 RonBeenen博士个人 萤叶甲Galerucaregularis sp. nov.。模式标本中正模保存在中国 收藏。 关键词(cid:1) 鞘翅目, 叶甲科, 萤叶甲亚科, 萤叶甲属, 新种. 中图分类号(cid:1) Q969(cid:2)48

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