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Four new species of Cyclorhipidion and five new records of other xyleborine genera (Coleoptera, Curculionidae, Scolytinae, Xyleborini) from Taiwan

摘要


We describe four new ambrosia beetle species of the tribe Xyleborini, Cyclorhipidion beaveri Lin & Smith sp. nov., Cyclorhipidion cognatoi Lin & Smith sp. nov., Cyclorhipidion hsuae Lin & Smith sp. nov., and Cyclorhipidion wui Lin & Smith sp. nov., which complete their lifecycle on the host plant Castanopsis cuspidata var. carlesii (Hemsl.) Yamazaki (Fagaceae). Five newly recorded species, Anisandrus ursulus (Eggers, 1923), Arixyleborus minor (Eggers, 1940), Coptodryas mus (Eggers, 1930), Cyclorhipidion japonicum (Nobuchi, 1981), and Xyleborinus octiesdentatus (Murayama, 1931) are reported in Taiwan for the first time. We provide brief diagnoses, photographic images and biological information for each species in Taiwan.

參考文獻


Lin, C.S., C.Y. Chen and J. Hulcr. 2019. Review of the genus Diuncus Hulcr & Cognato (Coleoptera, Curculionidae, Scolytinae) in Taiwan with a new record. Formosan Entomol. 39(4): 125–133.
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Beaver, R.A. and L.Y. Liu. 2010. An annotated synopsis of Taiwanese bark and ambrosia beetles, with new synonymy, new combinations and new records (Coleoptera: Curculionidae: Scolytinae). Zootaxa 2602: 1–47.
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Gebhardt, H., R.A. Beaver and C. Allgaier. 2021. Three new species of Scolytoplatypus Schaufuss from China, and notes on the movement and functions of the prosternal processes (Coleoptera: Curculionidae: Scolytinae). Zootaxa 5082: 485–493.

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