A catalogue, revision, and regional perspective of Eastern Palaearctic and Oriental oak gall wasps and their inquilines (Hymenoptera: Cynipidae: Cynipini, Synergini, Ceroptresini)

Irene Labato Vila, Alba Sala Nishikawa, George Melika, Graham N Stone, Chang-Ti Tang, Man-Miao Yang, Zhiqiang Fang, Ying Zhu, Yiping Wang, Sunghoon Jung, James Nicholls, Juli Pujade-Villar

Research output: Contribution to journalArticlepeer-review

Abstract

Recent years have seen rapid advances in the study of Fagaceae-associated gall wasps (Hymenoptera: Cynipidae) of the Eastern Palaearctic and the Oriental (EPO) regions, for both the gall inducing Cynipini (commonly termed oak gall wasps though many species gall non-oak Fagaceae) and the predominantly inquiline tribes Synergini and Ceroptresini. This process has propagated some taxonomic errors and involves many taxa whose taxonomic status is uncertain. To provide a stable foundation for further advance, here we review the taxonomic status of the 212 species (133 oak gall wasps and 79 oak cynipid inquilines) that have been described or recorded in these regions. Of this total, we treat 171 as valid species names (103 oak gall wasps and 68 oak cynipid inquilines) in 20 genera; 22 as synonym names, 13 as incertae sedis, three as nomen dubium, and three as species inquirenda. Callirhytis kunugicola Shinji, 1944 is proposed as syn. nov. of C. kunugicola Shinji, 1943, as Shinji described the same species twice. For all valid species names, we provide taxonomic references, synonyms, and geographical distributions. We summarize what is known of host plant associations and gall locations for gall inducers, and host associations for inquilines. We discuss geographic patterns in the known richness of currently valid species for both groups of organisms, and place this in the context of the biogeography of available Fagaceae host plants. We provide a brief historical review of the study of oak gall wasps and their inquilines in the EPO regions.
Original languageEnglish
Number of pages88
JournalZootaxa
Volume5161
Issue number1
DOIs
Publication statusPublished - 4 Jul 2022

Keywords

  • cynipids
  • Fagaceae
  • Asia
  • Southeast Asia
  • synonymous
  • unplaced species
  • distribution
  • biology
  • history

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