A catalogue, revision, and regional perspective of Eastern Palaearctic and Oriental oak gall wasps and their inquilines (Hymenoptera: Cynipidae: Cynipini, Synergini, Ceroptresini) Author IRENE LOBATO-VILA Author ALBA SALA-NISHIKAWA Author GEORGE MELIKA Author GRAHAM N. STONE Author CHANGTI TANG Author MAN-MIAO YANG Author ZHIQIANG FANG Author YING ZHU Author YIPING WANG Author SUNGHOON JUNG Author JAMES A. NICHOLLS Author JULI PUJADE-VILLAR text Zootaxa 2022 2022-07-04 5161 1 1 71 http://dx.doi.org/10.11646/zootaxa.5161.1.1 journal article 10.11646/zootaxa.5161.1.1 1175-5326 6793652 20804225-E0CE-420A-B960-4831EE3A1E01 Trigonaspis spumeus ( Kovalev, 1965 ) Neoneuroterus spumens [lapsus calami] Kovalev, 1965: 29 , ♂ ♀ . Trigonaspis spumeus [sic] (Kovalev) Abe et al . (2007: 201) , ♂ ♀ . Distribution. Russian Far East ( Kovalev 1965: 30 ). Remarks. The author describes the species as ‘ spumens ’ and in the figure captions as ‘ spumeus ’. According to the article 32.5.1 of the International Code of Zoological Nomenclature ( ICZN 1999 ), the valid name is ‘ spumeus ’. Biology. Only the sexual generation has been described, which induces bud galls on Q. mongolica (sect. Quercus ) ( Table 1 ; Kovalev 1965 ; Abe et al . 2007 ).