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BZN Volume 64, Part 2, 30 June 2007

Comments


Comments with the following titles were published on 30 June 2007 in Volume 64, Part 2 of the Bulletin of Zoological Nomenclature

Copies of these Comments can be obtained free of charge from the Executive Secretary, The International Commission on Zoological Nomenclature, c/o The Natural History Museum, Cromwell Road, London SW7 5BD, U.K. (e-mail: iczn@nhm.ac.uk).

Comment on the proposed conservation of Gigantopecten Rovereto, 1899 and Lissochlamys Sacco, 1897 (Mollusca, Bivalvia, PECTINIDAE)
(Case 3343; see BZN 63: 155–162)

P. Bouchet
Muséum National d’Histoire Naturelle, 55 rue de Buffon, 75005 Paris, France
(e-mail: pbouchet@mnhn.fr)

  The application by Waller & Bongrain documents the prevailing usage of Gigantopecten over Macrochlamis or Macrochlamys, and the evenly balanced usage of Lissochlamys and Lissochlamis. Although their application does not specifically address the issue, it must be pointed out to non-malacologists that the suffix -chlamys (derived from the generic name Chlamys Röding, 1798) is used in numerous pectinoid genus-group names. It serves consistency and mnemonics to treat Macrochlamys and Lissochlamys as the correct spellings.
  However, it needs to be noted that Kasum-Zade (2003, pp. 47, 82) established the family-group name MACROCHLAMISINAE, based on Macrochlamis Sacco, 1897. If, as proposed in the application, the name Macrochlamis were suppressed and placed on the Official Index, MACROCHLAMISINAE Kasum-Zade, 2003 would become invalid under Article 39 of the Code. Therefore, I propose that, instead of the names Macrochlamis and Lissochlamis being suppressed, as suggested in the application, they should be declared incorrect original spellings of Macrochlamys and Lissochlamys. With this approach, MACROCHLAMISINAE Kasum-Zade, 2003 remains a potentially valid name, and nomenclature does not infringe on taxonomy.
  It needs to be added that:

(1) ‘Macrochlamys Benson, 1832’ is a nomen nudum. The name was first made available by Gray (1847, p. 169);

(2) Grandipecten Cossmann, 1914 (in Cossmann & Peyrot, 1914, p. 273) is another replacement name for ‘Macrochlamys Sacco, 1897, non Benson, 1832’. Cossmann (1920, p. 175) noted that Gigantopecten Rovereto, 1899, was an earlier replacement name, and Grandipecten Cossmann, 1914 could be placed on the Official Index.

  Therefore I put forward the following alternative proposals to the Commission:

(1) to use its plenary power to rule that:

(a) Macrochlamis Sacco, 1897 is an incorrect original spelling of Macrochlamys;

(b) Lissochlamis Sacco, 1897 is an incorrect original spelling of Lissochlamys;

(2) to place on the Official Index of Rejected and Invalid Generic Names in Zoology the following names:

(a) Macrochlamis Sacco, 1897 (an incorrect original spelling of Macrochlamys
as ruled in (1)(a) above);

(b) Lissochlamis Sacco, 1897 (an incorrect original spelling of Lissochlamys as ruled in (1)(b) above);

(c) Macrochlamys Sacco, 1897 (a junior homonym of Macrochlamys Gray, 1847);

(d) Grandipecten Cossmann, 1914 (an unnecessary replacement name for Macrochlamys Sacco, 1897).

  I thank Alexander Guzhov (Moscow) for pointing out to me the work by Kasum-Zade (2003).

Additional references

Cossmann, M. 1920, Rectifications de nomenclature. Revue Critique de Paléozoologie et Paléophytologie, 24(4): 174–175.
Cossmann, M. & Peyrot, A. 1914 (in 1909–1914). Conchologie néogénique de l’Aquitaine. Pélécypodes, vol. 2. Pp. 205–410, pls. 11–22. Bordeaux.
Gray, J.E. 1847. A list of genera of Recent Mollusca, their synonyma and types. Proceedings of the Zoological Society of London, 15: 129–182.
Kasum-Zade, A.A. 2003. Sostoyanie izuchennosti mezozoiskikh dvustvorchatykh mollyuskov Azerbaidzhana (Otryad Pectinopida: reviziya i sistematika). [Advance in research of Mesozoic bivalve molluscs in Azerbaijan (Order Pectinoida: revision and systematics)]. 112 pp. El-ALliance, Baku.

 

Comment on the proposed conservation of Obovaria Rafinesque, 1819 (Mollusca, Bivalvia) by the designation of Unio retusa Lamarck, 1819 as the type species
(Case 3353; see BZN 63: 226–230)

David Campbell
425 Scientific Collections Building, Department of Biological Sciences, Biodiversity and Systematics, University of Alabama, Box 870345, Tuscaloosa, AL 35487–0345, U.S.A. (e-mail: amblema@bama.ua.edu)

  I am writing in support of the conservation of the current usage of Obovaria. As pointed out in the application, the current usage has held over the past 150 years. One minor correction is that Herrmannsen’s designation of a type for Obovaria is in volume 2 (1849), not volume 1 (1847).
  Additionally, no replacement name is available. Although two names are treated as junior subjective synonyms in the current literature, neither actually applies. The type species of Pseudoon Simpson, 1900 is Unio ellipsis Lea, 1828, a subjective synonym of Amblema olivaria Rafinesque, 1820. Currently this species is listed as Obovaria olivaria. However, recent molecular data suggest that O. olivaria is closely related to, but not the sister taxon of, the other species currently assigned to Obovaria (see Campbell et al., 2005). This requires further sampling and analysis to confirm, but it does suggest that the differences noticed by Simpson (1900) may be of greater significance than currently realized. No molecular data exist for the nearly extinct O. retusa (Lamarck, 1819), the proposed type of Obovaria. However, Ortmann (1911) and Simpson (1900, 1914) reported its anatomy as matching other species assigned to the genus (except O. olivaria) for which molecular data are available.
  Rotundaria Rafinesque, 1820, like Obovaria, has led to confusion due to overlooked type designations. Agassiz (1852) selected Obliquaria tuberculata Rafinesque, 1820 (currently Cyclonaias tuberculata) as the type of Rotundaria, and this was followed by most workers until Ortmann & Walker (1922) pointed out that Herrmannsen (1849) had designated Obliquaria subrotunda Rafinesque, 1820 (currently Obovaria subrotunda) as the type species. They established the new genus Cyclonaias for Obliquaria tuberculata. It is surprising that Ortmann & Walker (1922) cite Herrmannsen’s type designation for Rotundaria but not his designation for Obovaria (pp. 407, 132 in the same volume). However, in this case, Herrmannsen was not the first to select a type. Valenciennes (1827) reported Obliquaria tuberculata specimens from Rafinesque, which he says were identified as the type of a new genus, Rotundaria. Thus, Rotundaria is a senior objective synonym of Cyclonaias. Cyclonaias tuberculata occurs phylogenetically within Quadrula as currently used (Campbell et al., 2005; the result of Serb et al., 2003, reflects a mixing of tissue clips with Potamilus alatus) and so Rotundaria is not available for species currently placed in Obovaria.

Additional references

Campbell, D.C., Serb, J.M., Buhay, J.E., Roe, K.J., Minton, R.L. & Lydeard, C. 2005. Phylogeny of North American amblemines (Bivalvia, Unionoida): prodigious polyphyly proves pervasive across genera. Invertebrate Biology, 124(2): 131–164.
Herrmannsen, A.N. 1849. Indicis Generum Malacozoorum Primorida, vol. 2. Pp. xxix–xlii, 1–717. Theodore Fischer, Cassells.
Ortmann, A.E. 1911. A monograph of the najades of Pennsylvania, parts I and II. Memoirs of the Carnegie Museum, 4(6): 279–347.
Serb, J.M., Buhay, J.E. & Lydeard, C. 2003. Molecular systematics of the North American freshwater bivalve genus Quadrula (Unionidae: Ambleminae) based on mitochondrial ND1 sequences. Molecular Phylogenetics and Evolution, 28(1): 1–11.
Valenciennes, A. 1827. Coquilles fluviatiles bivalves de nouveau-continent recueilles pendant le voyage de M.M. de Humboldt et Bonpland. Recueil d’Observations de Zoologie et d’Anatomie Comparée . . . par Al. de Humboldt & A. Bonpland, vol. 2. Pp. 225–237. Smith & Gide, Paris.

 

Comments on the proposed conservation of the specific name of Hydroporus discretus Fairmaire & Brisout de Barneville, 1859 (Insecta, Coleoptera)
(Case 3337; see BZN 64: 87–89)

(1) R. Angus
President of the Balfour-Browne Club (water beetle society), Royal Holloway, University of London, Egham, Surrey, TW20 0EX, U.K. (e-mail: r.angus@rhul.ac.uk)

  The proposed application to have Hydroporus neuter placed on the Official Index of Rejected Names in Zoology has my fullest support. It is wrong that the application to conserve H. discretus was rejected, and appears quite outside the norm in recent cases. I gather that the application was rejected because it attracted insufficient favourable comment. My own view is that it appeared such an overwhelmingly compelling case that comment was superfluous. I very much hope that this second attempt succeeds. It would be wrong to lose such a well-known and well-established name as Hydroporus discretus, which must be conserved.

 

(2) E.J. van Nieukerken
National Museum of Natural History, Darwinweg 2, 2333 CR Leiden, The Netherlands (e-mail: nieukerken@naturalis.nl)

  I have now studied the case in detail; it had only briefly passed me before. I think that the authors have had very bad luck, the case is almost enough for the new nomen oblitum (Article 23.9.2 of the Code), apart from this list by Ádám. I think that the case was not presented strongly enough and that not enough people have sent positive comments. I strongly agree that the ruling should be reversed and that Hydroporus discretus must be conserved as a valid name for a species we have always known as discretus – I had never really considered the name neuter before.

 

(3) G. Foster
Scottish Agricultural College, Research and Development Division, Auchincruive,
Ayr, KA6 5HW, U.K.

  I agree with the need to conserve the name Hydroporus discretus by the
Commission revising their views and setting aside the name Hydroporus neuter. Otherwise the Commission will bring itself into disrepute for failing in its primary duty to stabilise nomenclature.

 

(4) C.H.S. Watts
South Australian Museum, Science Centre, North Terrace, Adelaide, 5000 South Australia, Australia (e-mail: Watts.Chris@saugov.sa.gov.au)

  I totally agree that the name Hydroporus discretus Fairmaire & Brisout de
Barneville should be conserved to avoid ‘sinking’ a century of work accessed through that name.

 

(5) F. Marnell
National Parks and Wildlife Service, 7 Ely Place, Dublin 2, Ireland

  The proposed change of name appears to contradict all zoological and nomenclatural sense and I wholeheartedly support your endeavours to have the name Hydroporus discretus conserved.

 

(6) H.V. Shaverdo
Naturhistorisches Museum, Burgring 7, A-1010 Wien, Austria (e-mail: shaverdo@mail.ru)

  Systematics of the genus Hydroporus has been the main focus of my research for more than ten years. In numerous papers on taxonomy, faunistics, ecology, phenology and larval morphology Hydroporus discretus was always treated by me under this name. A very important reason to conserve the name H. discretus is that recently it has been published as a valid name in two very important catalogues (Nilsson, 2001, 2003). If H. neuter is used as a valid name, it would cause considerable nomenclatural confusion.

 

Comment on the proposed conservation of the generic names Gnorimus Le Peletier de Saint-Fargeau & Serville, 1828 and Osmoderma Le Peletier de Saint-Fargeau & Serville, 1828 (Insecta, Coleoptera)
(Case 3349; see BZN 63: 177–183)

Maxwell V.L. Barclay
Curator of Coleoptera, Natural History Museum, London SW7 5BD, U.K. (e-mail: m.barclay@nhm.ac.uk)

  I would like to register my support for the proposal by Krell et al. to conserve the generally used names Gnorimus and Osmoderma for two related genera of scarab beetles of conservation importance. These names are well used outside taxonomic circles because of the large size, beauty and rarity of the beetles concerned. Instability in scientific names that are frequently used by the non-scientific public breeds disrespect for scientific nomenclature in general, and leads to increased reliance on a secondary system of vernacular nomenclature. These beetles already suffer from an assortment of vernacular names, such as ‘Noble Chafer’, ‘Variable Chafer’, ‘Hermit Beetle’, ‘Flower Hermit Beetle’, ‘Russian Leather Beetle’ and ‘Odor-of-Leather Beetle’. It would be unfortunate if these loosely applied, artificial constructs were to prove more stable than the scientific nomenclature.

 

Comment on the proposed conservation of the specific name of Curculio contractus Marsham, 1802 (currently Ceutorhynchus contractus; Insecta, Coleoptera)
(Case 3367; see BZN 63: 251–254)

Maxwell V.L. Barclay
Curator of Coleoptera, Natural History Museum, London SW7 5BD, U.K. (e-mail: m.barclay@nhm.ac.uk)

  I would like to go on record as supporting the proposal by Morris to conserve the name Curculio contractus Marsham (currently Ceutorhynchus contractus) for a widespread cabbage-feeding weevil. The synonymy of Ceutorhynchus contractus (Marsham) and Ceutorhynchus pallipes Crotch is rather questionable, and may be overturned at any time by ongoing molecular and morphological studies. At present the former name is connected to a widespread pest of cabbages, and the latter to an obscure island taxon of conservation significance. To confuse this clear separation by making Ceutorhynchus pallipes the valid name for the widespread taxon almost universally known as Ceutorhynchus contractus (Marsham) would serve no useful purpose, and the already-confused situation would have to be revisited if the tenuous synonymy between Ceutorhynchus contractus and Ceutorhynchus pallipes was overturned.

 

Comment on the proposed precedence of the generic name Ataenius Harold, 1867 over Aphodinus Motschulsky, 1862 (Insecta, Coleoptera)
(Case 3377; see BZN 64: 39–42)

Zdzisława T. Stebnicka
Institute of Systematics and Evolution of Animals, Polish Academy of Sciences,
31–016, Krakow, Poland
(e-mail: Stebnicka@isez.pan.krakow.pl)

  I am in full support of the application to give precedence to the generic name Ataenius Harold, 1867 over Aphodinus Motschulsky, 1862. I write as a specialist of these beetles on a world basis, who has used the name Ataenius for many years in several papers and books.
  Based on a recently updated list of references concerning Ataenius, in the years 1870–2000 over 50 authors in the world have used the name Ataenius in over 150 papers, monographs and catalogues. The name Aphodinus Motschulsky was used only three times nearly 100 years ago in relation to the genus Aphodius Illiger, falling into oblivion even as a subgeneric name of Aphodius (these two names differ from each other only by one letter).
  The three type specimens of Aphodinus are preserved in Motschulsky’s collection in Moscow, while over 300 species with thousands of specimens of Ataenius are deposited in a large number of museum collections around the world. Changing all the specimen records in these collections would seem to be a pointless task. The taxonomy of Ataenius is very complicated (see Stebnicka & Lago, 2005) and an additional nomenclatural burden would make difficulties for students researching Ataenius and related genera. Adoption of the name Aphodinus would be seriously confusing not only to systematics and museum collections, but also to progressing molecular studies.
  In accord with current usage and the maintenance of nomenclatural stability, and to avoid name change and unnecessary confusion, I strongly support the application by Howden & Smetana.

Additional note

  The genus Ataenius was described by Harold (1867, p. 82) as follows: ‘Ataenius (n.g. Eupariis et Rhyssemis intermedium) scutellaris: Affinis A. strigato Say . . . ’. Therefore, Harold originally indicated Ataenius scutellaris as type-species of the genus. In the same year, Harold, (1867, p. 100) added a complete definition of the genus as follows: ‘Ataenius (Nov. Gen.). Caput gibbosum, vertice mutico . . . ’.

Additional references

Harold, E. 1867a. Diagnosen neuer Coprophagen. Coleopterologische Hefte, 1: 76–84.
Harold, E. 1867b. Diagnosen neuer Coprophagen. Coleopterologische Hefte, 2: 94–100.
Stebnicka, Z.T. & Lago, P.K. 2005. The New World species of Ataenius Harold, 1867. V. Revision of the A. strigatus group (Scarabaeidae: Aphodiinae: Eupariini). Insecta Mundi, 19: 55–83.

 

Comments on the proposed conservation of usage of the name Dactylozodes Chevrolat, 1838 (Insecta, Coleoptera)
(Case 3393; see BZN 64: 43–44)

(1) C.L. Bellamy
Plant Pest Diagnostics Branch, California Department of Food & Agriculture,
3294 Meadowview Road, Sacramento, California 95832, U.S.A.
(e-mail: cbellamy@cdfa.ca.gov)

  I write to ask for an amendment to the application to conserve the usage of the name Dactylozodes Chevrolat, 1838 proposed by myself and T. Moore Rodriguez.
  In para. 9(2) we recorded Dactylozodes as feminine. In point of fact it should be treated as masculine in accordance with Article 30.1.4.4 of the Code, which records that ‘a compound genus-group name ending in -odes is to be treated as masculine unless its author, when establishing the name, stated that it had another gender or treated it as such by combining it with an adjectival species-group name in another gender form’.

 

(2) Svatopluk Bílý
Department of Entomology, National Museum, Kunratice 1, 148 00 Praha 4,
Czech Republic
(e-mail: svatopluk_bily@nm.cz)

  I support the application by Bellamy & Moore to conserve the prevailing usage of the generic name i Chevrolat, 1838. I agree with the authors’ proposed suppression of Lasionota Mannerheim, 1837 in favour of Dactylozodes Chevrolat, 1838 (BUPRESTIDAE). Mannerheim’s name has hardly been used for more than 100 years, and can be treated as a nomen oblitum.
  However, Dactylozodes should be treated as masculine rather than feminine for the following reasons:

(1) According to Article 30.1.4.4 of the Code all genus-group names ending with -odes should be treated as masculine;

(2) Chevrolat (1838) described Dactylozodes as a masculine name, including two nominal species: D. alternans and D. tetrazonus).

 

Comments on the proposed conservation of the subfamilial name ORTHOCLADIINAE Kieffer, 1911 and on the proposed type-species fixation for Orthocladius van der Wulp, 1874 (Diptera, CHIRONOMIDAE)
(Case 3355; see BZN 64: 45–53)

(1) M. Spies
c/o Zoologische Staatssammlung München, Münchhausenstr. 21, 81247 München, Germany (e-mail: spies@zi.biologie.uni-muenchen.de)

N.L. Evenhuis
J. Linsley Gressitt Center for Research in Entomology, Bishop Museum, 1525 Bernice Street, Honolulu, Hawaii 96817, U.S.A. (e-mail: neale@bishopmuseum.org)

  Subsequent to publication of the application in this case, the present junior author (NLE) has discovered that publication priority between chironomid names published in the two works the application cites as van der Wulp (1874a) and van der Wulp (1874b) respectively is clear after all, rather than open to first-reviser action as proposed in the application.
  According to Barendrecht & Kruseman (1957; cited in the application), the earliest confirmed publication date for issue 4 of volume 17 of the Tijdschrift voor Entomologie is 29 August 1874, whereas for issue 5 of the same volume that date is 31 July 1875. Copies of volume 17 at the NHM and Australian Museum libraries seen by NLE still include the issue wrappers. The latter show: (1) that the work by van der Wulp (1874–1875; cited as ‘1874b’ in the application) spans both those issues 4 (pages 109–112 of van der Wulp’s paper) and 5 (pp. 113–148), (2) that the chironomid genus-group names in that work appeared in issue 5 (on pp. 128 onwards), and (3) that, hence, these names were not published effectively simultaneouslym with the corresponding set of names in van der Wulp (1874 = ‘1874a’ in the application).
  Therefore, the genus name Orthocladius is available from van der Wulp (1874), and the same applies to all other chironomid genus-group names first proposed in that work.
  In addition, all the bibliographic references to van der Wulp’s respective works in Case 3355 must be corrected from ‘1874a’ to 1874, and from ‘1874b’ to 1874–1875. Moreover, all references to purportedly simultaneous publication of the two sets of chironomid genus-group names in those works must be corrected accordingly. Specifically: (1) the decision of publication priority by first-reviser action proposed in para. 9 of the application is null and void, and the entire paragraph to be ignored in further considerations; (2) there is no nominal species originally included in Orthocladius van der Wulp, 1874; the ten species assigned to the genus in van der Wulp (1874–1875) must be treated as subsequently included.
  All the corrections in this comment paper notwithstanding, the main arguments and aims of the application remain unaffected. As concerns the detailed course of Commission action sought, only one minor change is necessary: In para. 21(2)(a), the reference ‘1874(b)’ must be changed to 1874; the corrected sub-paragraph reads:

(a) Orthocladius van der Wulp, 1874 (gender: masculine), type species Chironomus oblidens Walker, 1856, as ruled in (1)(b) above;

  On a final note, the work cited in the application as Evenhuis (1989) was written, not edited, by the said author.

References

Wulp, F.M. van der. 1874. [... over het geslacht Chironomus Meig. ...]. Tijdschrift voor Entomologie, 16: lxix–lxxi.
Wulp, F.M. van der. 1874–1875. Dipterologische aanteekeningen. Tijdschrift voor Entomologie, 17: 109–148.

(2) Torbjørn Ekrem
Museum of Natural History and Archaeology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway (e-mail: Torbjorn.Ekrem@vm.ntnu.no)

  I support the action proposed by Martin Spies. Both the genus name Orthocladius and the subfamily name ORTHOCLADIINAE are now very well-founded in chironomid taxonomy and nomenclature, and a subsequent change in these names would cause much confusion among both taxonomists and freshwater ecologists. I therefore urge the Commission to fix the type species of Orthocladius to Chironomus oblidens Walker, 1856 and to give the subfamily name ORTHOCLADIINAE Kieffer, 1911 precedence over both ERETMOPTERINAE Kellogg, 1900 and CLUNIONINAE Kieffer, 1906.

 

Comments on the proposed conservation of the specific name of Lithocolletis oxyacanthae Frey, 1855 (currently Phyllonorycter oxyacanthae; Insecta, Lepidoptera) by giving it precedence over Lithocolletis pomonella Zeller, 1846
(Case 3376; see BZN 64: 96–99)

(1) Giorgio Baldizzone
via Manzoni 24, 14100 Asti, Italy (e-mail: giorgiobaldizzone@tin.it)

  I read Paolo Triberti’s application (Case 3376) about the synonymy of Phyllonorycter oxyacanthae (Frey, 1855) and Phyllonorycter pomonella (Zeller, 1846). In my opinion it is correct and in accordance with the Code’s recommendations.

(2) Jurate De Prins
Royal Museum for Central-Africa, Section of Entomology, Leuvensesteenweg 13, B-3080 Tervuren, Belgium (e-mail: jurate.de.prins@africamuseum.be)

Willy De Prins
Universiteit van Amsterdam, Zoölogisch Museum, Plantage-Middenlaan 64,
NL-1018 DH Amsterdam, The Netherlands

  While acting as referees to the paper ‘The Phyllonorycter species from the
Palaearctic Region feeding on ROSACEAE (Lepidoptera, Gracillariidae)’ by Paolo Triberti we have pointed to the problem of the misidentification and confusion of three species: Phyllonorycter oxyacanthae (Frey, 1855), P. pomonella (Zeller, 1846) and a manuscript name P. hostis Triberti, 2007 (in press). During our own GRACILLARIIDAE studies, we have encountered the same problem as Triberti, namely the continuous confusion caused in many publications by the name Lithocolletis pomonella Zeller, 1846. That name has been applied to various species, e.g. Phyllonorycter cydoniella ([Denis & Schiffermüller]), 1775, P. spinicolella (Zeller, 1846), and P. sorbi (Frey, 1855). P. oxyacanthae (Frey, 1855) is a widely spread European species feeding on Crataegus spp. and Pyrus spp. (32 and 5 citations respectively from the ‘Global Taxonomic Database of Gracillariidae (Lepidoptera)’ (De Prins & De Prins, 2006), and this name has been used at least in 136 faunistic publications (see Global Gracillariidae Database at the Royal Museum for Central Africa, and De Prins & De Prins, 2005). The name pomonella Zeller, 1846 was used in at least 79 agricultural publications mainly to indicate a pest species on Malus without any taxonomic background. Therefore, we would like to support the proposition of Paolo Triberti and ask the International Commission on Zoological Nomenclature to use its plenary power to overrule the Principle of Priority in this particular case and to give the name oxyacanthae Frey, 1855, as published in the binomen Lithocolletis oxyacanthae, precedence over the name pomonella Zeller, 1846, as published in the binomen Lithocolletis pomonella Zeller, 1846.

Additional references

Denis, M. & Schiffermüller, I. 1775. Ankündung eines systematischen Werkes von den Schmetterlingen der Wienergegend herausgegeben von einigen Lehrern am k. k. Theresianum. 323 pp., 2 pls. Augustin Bernardi, Wien.
De Prins, W. & De Prins, J. 2005. Family Gracillariidae. In Landry, B. (Ed.), World Catalogue of Insects, vol. 6. 502 pp. Apollo Books, Stenstrup.
De Prins, J. & De Prins, W. 2006. Global Taxonomic Database of Gracillariidae. (Lepidoptera). World Wide Web electronic publication (http://gc.bebif.be) (Accessed March, 2007).

(3) Bernard Landry
Muséum d’histoire naturelle, C.P. 6434, 1211 Genève 6, Switzerland (e-mail: bernard.landry@ville-ge.ch)

  I am writing to support the application of Dr Paolo Triberti of the Muso civico di Storia Naturale in Verona (Case 3376) on the proposed conservation of the specific name Lithocolletis oxyacanthae Frey, 1855 (currently Phyllonorycter oxyacanthae; Insecta, Lepidoptera) by giving it precedence over Lithocolletis pomonella Zeller, 1846.
  Given the widespread use of the name Phyllonorycter oxyacanthae (Frey) since the description of the species and its consistant use with regard to host plant association, and given the continuous confusion regarding the meaning of the name Lithocolletis pomonella Zeller over time, I believe that this application is warranted and that the International Commission on Zoological Nomenclature should use its plenary power to overrule the Principle of Priority in this case to give the name Lithocolletis oxyacanthae Frey, 1855 precedence over the name Lithocolletis pomonella Zeller, 1846.


Comment on the proposed precedence of Chelodina rugosa Ogilby, 1890 (currently Macrochelodina rugosa; Reptilia, Testudines) over Chelodina oblonga Gray, 1841
(Case 3351; see BZN 63: 187–193, 64: 68)

S.A. Thomson
Institute of Applied Ecology, University of Canberra, Canberra, ACT 2601, Australia (e-mail: thomson@home.netspeed.com.au)

  One of the reasons for the Principle of Priority is to protect good taxonomic work presented to science from being overwritten by future errors. This is relevant to current problems in Australian turtle names.
  The case in question is one where a name, Chelodina oblonga, was correctly applied for 136 years. It has a valid type specimen that is extant in the collection of the Natural History Museum, London, as figured in Thomson (2000). Furthermore, the type is diagnosable using discrete characters. This name was incorrectly applied in an unpublished thesis in 1967, now 40 years ago. That same year a popular press book made the same error, and this has been perpetuated until Thomson (2000) demonstrated the error.
  Savage (2007) believes that using the lectotype of Chelodina colliei Gray, 1856 (BMNH 1947.3.5.91) as the neotype for Chelodina oblonga Gray, 1841, would be a justifiable means of salvaging an error in the name of conservation of current usage. Chelodina colliei is an available name with a lectotype and a complete type series.
  Gray’s descriptions actually contain a valid diagnosis which, when viewed in the light of the discoveries in Thomson (2000), are actually differential diagnoses of discrete characters that make sense when one looks at these species, not to mention that the type specimen is figured in the description. Creating a neotype for Chelodina oblonga would mean that the name-bearing type and the diagnosis in the description would be at odds with each other.
  In gauging the amount of disruption caused by what I have proposed it is
important to note that half the species of turtles in Australia have been described since 1980, and all but one of these since 1994. All publications older than 10 years are so out of date nomenclaturally that it is important to have all recent descriptions to hand to sort out which species is being discussed. It is important to note that by reversing the precedence of Macrochelodina rugosa and Macrochelodina oblonga only one name would be changed. Chelodina colliei would become valid for the Western Australian species, and all Gray’s original intentions and descriptions would remain valid. Further, there is an available name for the differentially diagnosable western population of Macrochelodina rugosa should it be required in the future.
  A further complication is the effect on the name Macrochelodina Wells & Wellington, 1985. The original type species of this genus was Chelodina oblonga. Their intention, as discussed in Iverson et al. (2001), was to describe the Chelodina B group of species (which includes Macrochelodina rugosa). Iverson et al. (2001) proposed Macrochelodina rugosa as the type species, justifying this on the grounds that the types represented the same species and it would avoid confusion. It could be argued that Iverson et al. could not do this and that the proposal of the lectotype of Chelodina colliei as the neotype of Chelodina oblonga would erect a monotypic genus for the Western Australian species that would be valid, leaving the Chelodina B group in a paraphyletic arrangement. Setting the neotype removes the only real justification Iverson et al. had for proposing the change of type species in the first place. The setting of a neotype, although outwardly attractive, would actually create more work in itself – work that would not need to be done if the names were just put back theway they were supposed to be and the way they were for 136 years until 40 years ago.
  In summary, I think it is important to appreciate that the conservation of the current usage of a name is not always the best option. It is important to look at all the consequences and weigh up the outcomes, which is what I did in the original proposal to the Commission. It is important to allow the Code to work the way it is intended, as authors who have presented to science in good faith have the right to have their work, when proven valid, recognized. My original proposal was intended as a balance between conservation, the recognition of valid taxonomic works of historical significance, and the prevention of unintended arrangements occurring. Hence, I stand by my original proposal in Case 3351.

 
 
 
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