近日,中國科學(xué)院水生生物研究所系統(tǒng)與流域生態(tài)學(xué)學(xué)科組關(guān)于神農(nóng)架地區(qū)蜻蜓目研究的新種論文Three new Cephalaeschna species from central China with descriptions of the hitherto unknown sex of related species (Odonata: Aeshnidae)在《國際蜻蜓學(xué)報(bào)》(International Journal of Odonatology)第16卷第2期正式發(fā)表,。該文描述了新發(fā)現(xiàn)的產(chǎn)自神農(nóng)架地區(qū)的蜻蜓目(Odonata)蜓科(Aeshnidae)頭蜓屬(Cephalaeschna)3個(gè)新種:異色頭蜓 (C. discolor), 馬蒂頭蜓 (C. mattii) 和獨(dú)行頭蜓 (C. solitaria),。
頭蜓屬是分布于亞洲的一個(gè)古老蜻蜓類群,大多棲息于植被茂盛的森林小溪,,通常在中高海拔的山區(qū)生活,,是珍稀的蜻蜓類群。成蟲晚季節(jié)發(fā)生,,在8至11月(秋季至初冬季節(jié))較常見,。全世界已知的頭蜓屬約20種,中國已知8種, 全部為中國特有,,主要分布于華中,、華南和西南等地。2012年,,水生所系統(tǒng)與流域生態(tài)學(xué)學(xué)科組在對(duì)湖北神農(nóng)架地區(qū)進(jìn)行野外調(diào)查時(shí),,發(fā)現(xiàn)該屬6個(gè)物種,其中有異色頭蜓,、馬蒂頭蜓和獨(dú)行頭蜓3個(gè)新種,,至此,,中國已知的頭蜓屬物種升至11個(gè)。
在此之前,,對(duì)本屬的認(rèn)識(shí)僅局限在中國東部和華南地區(qū),,由于華中地區(qū)的氣候條件不如華南地區(qū)優(yōu)越,而且缺乏野外考察,,所以對(duì)該區(qū)域蜻蜓狀況了解甚少,。通過神農(nóng)架地區(qū)頭蜓新種的發(fā)現(xiàn),填補(bǔ)了該屬間斷分布的空白,,也充分說明華中地區(qū)的蜻蜓目資源豐富,,區(qū)域特色顯著。神農(nóng)架地區(qū)的3個(gè)頭蜓新種均是中國中部的特有物種,,其發(fā)現(xiàn)具有較高的科學(xué)價(jià)值,。同時(shí),由于其稚蟲僅在清澈的林間小溪生活而無法忍耐受污染的水環(huán)境,,該類群也可作為水質(zhì)監(jiān)測(cè)的指標(biāo),。(生物谷 Bioon.com)
生物谷推薦的英文摘要
International Journal of Odonatology DOI:10.1080/13887890.2013.782530
Haomiao Zhang, Qinghua Cai* & Mingyao Liao
Three new Cephalaeschna species from central China with descriptions of the hitherto unknown sex of related species (Odonata: Aeshnidae)
Three new Cephalaeschna species, C. discolor sp. nov. (holotype male; Shennongjia National Nature Reserve, Shennongjia City, Hubei province, China, 16 August 2012), C. mattii sp. nov. (holotype male; Lujiahe River, Zigui County, Hubei province, China, 18 September 2012) and C. solitaria sp. nov. (holotype male; Dalongtan in Shennongjia National Nature Reserve, Shennongjia City, Hubei province, China, 19 July 2012) are described, illustrated in color and compared with the known Chinese Cephalaeschna. All the holotypes are deposited in the Collection of Aquatic Animals, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan City, Hubei Province, China. The hitherto unknown male of C. obversa and female of C. patrorum are also described and illustrated. Brief notes on biology of each species are also provided.