. Bulletin of zoological nomenclature. 64 Bulletin of Zoological Nomenclature pseudogallarum (Vallot, 1836) by Targioni-Tozzetti, 1888, Ann. Agricolt. (1888), Relazione, parte istorica: 248—9. Calycophthora avellanae "Amerling" [5/c], Sorauer, \SS6, Handb. Pflanzenkr., ed. 2, vol. 1: 827. Available name. Of the six names listed above, all but the second and third must be considered by the Commission. I cannot speak for Phytop- tus coryligallarum Targioni-Tozzetti, 71885 — 1886, not having seen the original, but all the others are based on descriptions of either the galls or the activ
. Bulletin of zoological nomenclature. 64 Bulletin of Zoological Nomenclature pseudogallarum (Vallot, 1836) by Targioni-Tozzetti, 1888, Ann. Agricolt. (1888), Relazione, parte istorica: 248—9. Calycophthora avellanae "Amerling" [5/c], Sorauer, \SS6, Handb. Pflanzenkr., ed. 2, vol. 1: 827. Available name. Of the six names listed above, all but the second and third must be considered by the Commission. I cannot speak for Phytop- tus coryligallarum Targioni-Tozzetti, 71885 — 1886, not having seen the original, but all the others are based on descriptions of either the galls or the activity of the mites. It is no doubt for that reason that none of the names has been used as a valid name (so far as I am aware) in recent times, because acarologists tend to ignore names based on galls or on other aspects of the work of the mites in favour of names connected with descriptions of the mites themselves. The Commission is therefore invited, first, to vote for or against using its plenary powers in this case and then, either (a) to suppress the four available names listed above for the purposes of the Law of Priority but not for those of the Law of Homonymy and place them on the Official Index of Rejected and Invalid Specific Names in Zoology, or (b) to rule that none of them is to be given nomenclatural precedence over Phytoptus avellanae Nalepa, 1899, whenever it is regarded as a synonym of the latter, and to place them, with suitable endorsements, on the Official List of Specific Names in Zoology. Since the above was written, Mr Newkirk has kindly sent me, among other papers, a photocopy of the following work, which clearly relates to Item 5 of the list of senior synonyms of Phytoptus avellanae given above: "Di alcuni rapporti delle coltivazioni cogli insetti e di due casi di infezioni del nocciolo e dell'olivo per cagione di insetti. Memoria del Prof. Ad. Targioni-Tozzetti letta alia R. Accademia dei Georgofili il 1° marzo ; The work, which is d
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