2019年2月13日 星期三

貍夜蛾屬屬級定義評估與一台灣新種忠雄貍夜蛾描述



[文獻出處] Wu, S. and S. H. Yen. 2019. Evaluating the generic definition of Lithopolia Yoshimoto, 1993 with a description of one new species of Taiwan (Lepidoptera, Noctuidae, Noctuinae, Orthosiini). Zootaxa 4555 (3): 425–432.

簡介
夜蛾科夜蛾亞科中的盜夜蛾屬群(Egira Duponchel, 1845 group)是一個包含七個屬級與約44物種的分類群。過往由於文獻並未給定各屬分別的共衍徵與明確鑑識依據,故屬群內仍有不少待釐清議題。本研究針對採於臺灣的屬群內新種進行屬級判定,認為新種與過往描述產自泰國北部的Egira phahompoki Hreblay & Ronkay, 1999應都需歸屬於貍夜蛾屬(Lithopolia Yoshimoto, 1993),並提出此屬共衍徵為交尾囊上無其他屬群內常見的縱向條狀囊片。臺灣新種描述為 L. tadaokanoi Wu & Yen, 2019,種小名獻名給日治時期知名博物學家鹿野忠雄,物種中文名為忠雄貍夜蛾,模式產地為觀霧山區,亦分布於梅峰山區。此外轉至貍夜蛾屬的 L. phahompoki則首次紀錄亦分布於中國西部四川山區,中文名引其種小名即泰國一山名 Doi Phahompok而為法洪波山貍夜蛾。

Abstract
The present study evaluates the relationships among the Orthosiini genus Lithopolia Yoshimoto, 1993 and its related genera in Egira Duponchel, 1845 group. We propose the absence of signum on corpus bursae can be regarded as the synapomorphic character of Lithopolia. Based on this character, we transfer Egira phahompoki Hreblay & Ronkay, 1999 of N. Thailand (type locality) and W. China (new record) to Lithopolia (comb. nov.) and describe a closely related new species, L. tadaokanoi sp. nov., from Taiwan. The inner relationship of Lithopolia is also discussed.

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