Kikuchi Namiki, Konishi Kazuhiko
Systematic Zoology Laboratory, Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minami-Ôsawa, Hachiôji-shi, Tokyo, 192-0397, Japan.
Zootaxa. 2021 Mar 23;4948(4):zootaxa.4948.4.3. doi: 10.11646/zootaxa.4948.4.3.
The Japanese species of the genus Linycus Cameron are examined with two species recognized. A Holarctic species, L. exhortator (Fabricius) is newly collected from Japan [Hokkaido, Honshû, Shikoku, Kyûshû], and a new species, L. kyoheii sp. nov., is described from Yamanshi Pref., Honshû. The two Japanese species can be distinguished by a white spot on scutellum (present in L. kyoheii vs. absent in L. exhorator), and sculpture of area between gastrocoeli (weakly rugose-punctate in L. kyoheii vs. clearly rugose in L. exhortator). We also compared the Cytochrome c oxidase subunit I (CO1) of Japanese L. exhortator with European L. exhortator. The p-distances between Japanese and European subspecies exhortator were about 2%, whereas between Japanese and Nearctic ssp. thoracius (Cresson) were about 5%. Here we provisionally treat Japanese L. exhorator as nominotypical subspecies. The intra-specific DNA barcode divergence and allopatric color variations are discussed.
对日本的林氏茧蜂属物种进行了研究，共识别出两个物种。一种全北区物种，劝诫林氏茧蜂（Linycus exhortator (Fabricius)）首次在日本[北海道、本州、四国、九州]被采集到，并且描述了一个新物种，京平林氏茧蜂（Linycus kyoheii sp. nov.），采自本州山梨县。这两个日本物种可以通过小盾片上的一个白斑（京平林氏茧蜂有而劝诫林氏茧蜂无）以及胸腹侧片之间区域的刻纹（京平林氏茧蜂为弱皱状刻点而劝诫林氏茧蜂为明显皱状）来区分。我们还比较了日本劝诫林氏茧蜂与欧洲劝诫林氏茧蜂的细胞色素c氧化酶亚基I（CO1）。日本和欧洲的劝诫林氏茧蜂亚种之间的p距离约为2%，而日本与新北区的胸斑林氏茧蜂（Linycus thoracius (Cresson)）亚种之间的p距离约为5%。在此我们暂时将日本的劝诫林氏茧蜂视为指名亚种。讨论了种内DNA条形码差异和异域颜色变异。
