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Zootaxa · 2025

New species of rose gall wasp Diplolepis Geoffroy, 1762 (Hymenoptera: Diplolepididae) and its parasitoid Orthopelma Taschenberg, 1865 (Hymenoptera: Ichneumonidae) on a rare endemic rose species in Sichuan, China

Zhiqiang Fang1, Wenqian Hu2, Koorosh McCormack3, Davide Dal Pos4, Chang-Ti Tang5, Ying Zhu6, Kangshan Mao2, Graham N. Stone5, Y. Miles Zhang3

  1. 1 Emeishan Biodiversity Observation and Research Station of Sichuan Province; Sichuan Provincial Academy of Natural Resources Sciences; Leshan; China
  2. 2 Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education; College of Life Sciences; State Key Laboratory of Hydraulics and Mountain River Engineering; Sichuan University; Chengdu; China
  3. 3 Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education; College of Life Sciences; State Key Laboratory of Hydraulics and Mountain River Engineering; Sichuan University; Chengdu; China; Institute of Ecology and Evolution; Ashworth Laboratories; University of Edinburgh; Edinburgh; UK
  4. 4 Department of Biology, University of Central Florida, Orlando, Florida, USA
  5. 5 Institute of Ecology and Evolution; Ashworth Laboratories; University of Edinburgh; Edinburgh; UK
  6. 6 Institute of Qinghai-Tibetan Plateau; Southwest Minzu University; Chengdu; China

Abstract

We describe a new species of rose gall wasp from Sichuan, China, Diplolepis nezha Hu, Zhang, McCormack & Fang, sp. nov. (Diplolepididae: Diplolepidinae), which induces galls on the rare, endemic rose Rosa chinensis var. spontanea (Rehder & E.H. Wilson) T.T. Yu & T.C. Ku. In association with these galls, we also describe a new parasitoid species, Orthopelma aobing Hu, Zhang, Dal Pos, McCormack & Fang, sp. nov. (Ichneumonidae: Orthopelmatinae). DNA barcodes were used to confirm the identities of both new species. We provide updated dichotomous keys incorporating these taxa and briefly discuss their biology in the context of other East Asian species, informed by phylogenetic analyses.
Taxonomy & systematicsIchneumonidae

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