Mecyclothorax

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Liebherr J (2018) Taxonomic review of Australian Mecyclothorax Sharp (Coleoptera, Carabidae, Moriomorphini) with special emphasis on the M.lophoides (Chaudoir) species complex. Deutsche Entomologische Zeitschrift 65(2) : 177–224, doi. Versioned wiki page: 2018-08-13, version 170672, https://species-id.net/w/index.php?title=Mecyclothorax&oldid=170672 , contributors (alphabetical order): Pensoft Publishers.

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@article{Liebherr2018DeutscheEntomologischeZeitschrift65,
author = {Liebherr, James K.},
journal = {Deutsche Entomologische Zeitschrift},
publisher = {Pensoft Publishers},
title = {Taxonomic review of Australian Mecyclothorax Sharp (Coleoptera, Carabidae, Moriomorphini) with special emphasis on the M.lophoides (Chaudoir) species complex},
year = {2018},
volume = {65},
issue = {2},
pages = {177--224},
doi = {10.3897/dez.65.27424},
url = {https://dez.pensoft.net/articles.php?id=27424},
note = {Versioned wiki page: 2018-08-13, version 170672, https://species-id.net/w/index.php?title=Mecyclothorax&oldid=170672 , contributors (alphabetical order): Pensoft Publishers.}

}

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TY - JOUR
T1 - Taxonomic review of Australian Mecyclothorax Sharp (Coleoptera, Carabidae, Moriomorphini) with special emphasis on the M.lophoides (Chaudoir) species complex
A1 - Liebherr J
Y1 - 2018
JF - Deutsche Entomologische Zeitschrift
JA -
VL - 65
IS - 2
UR - http://dx.doi.org/10.3897/dez.65.27424
SP - 177
EP - 224
PB - Pensoft Publishers
M1 - Versioned wiki page: 2018-08-13, version 170672, https://species-id.net/w/index.php?title=Mecyclothorax&oldid=170672 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/dez.65.27424

Wikipedia/ Citizendium:

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| title = Taxonomic review of Australian Mecyclothorax Sharp (Coleoptera, Carabidae, Moriomorphini) with special emphasis on the M.lophoides (Chaudoir) species complex
| journal = Deutsche Entomologische Zeitschrift
| year = 2018
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See also the citation download page at the journal.


Taxonavigation

Ordo: Coleoptera
Familia: Carabidae

Name

Mecyclothorax SharpWikispecies linkPensoft Profile

Diagnosis

Moore (1963)[9] diagnosed Mecyclothorax based on: 1, apical palpomeres glabrous; 2, pronotum cordate; 3, male parameres narrowed apically. These characters were chosen to differentiate Mecyclothorax from Neonomius Moore, a genus now placed far from Mecyclothorax in the subtribe Moriomorphina. The first character works well for Mecyclothorax, with the rare occurrence of very short setae on the apical palpomeres, those setae about 0.10× the palpʼs maximal diameter. Since Mooreʼs pioneering exposition, pronotal shape has been shown worthless for diagnosing Mecyclothorax given the great diversity in shape among the Tahitian (Perrault 1984[10], Liebherr 2013[11]), Hawaiian (Liebherr 2015[12]), and New Caledonian species (Liebherr 2018[8]). The male parameres differ in configuration among the various subgenera of Mecyclothorax, but as Moore proposed, both right and left parameres are elongate and setose apically (Liebherr 2018[8], fig. 5). Other characters that diagnose Mecyclothorax from various other taxa in tribe Moriomorphini, both symplesiomorphically and synapomorphically (Liebherr 2011a[13]), include: 1, labrum truncate to moderately and broadly emarginate apically; 2, ligula truncate medially between the 2 marginal setae, paraglossae elongate; 3, pronotal base at least moderately punctate; 4, elytral humeral margin smooth, without tooth at humeral angle; 5, female apical ventrite with median patch of 4–5 smaller setae.

Nomenclatural note

Sloane (1915)[14] described Mecyclothoraxovalis from Manjimup, WA, with label data (ANIC): Manjimup, W.A. / 31.12.13 T. G. S. // Mecyclothorax / ovalis Sl. Type // Holotype [pink label]. The pink holotype label is consistent with those used by P. J. Darlington, Jr. during his curation of the Sloane collection in 1957 (Darlington 1962[15]: 328). The specimen is mostly destroyed, with only partial remnants of the legs remaining glued to the card. As such, because the holotype specimen can no longer be used to diagnose the species nor the species’ generic placement, a neotype is designated. As this neotype designation is required to stabilize both the concept of this species and the species’ new generic combination, such an action is valid under Article 75 of The Code (ICZN 1999[16]). Therefore a Neotype male (MCZ specimen deposited in ANIC) is hereby designated: Mullewa, W.A. / Sept. 19 1931 // Australia / Harvard Exp., / Darlington // MCZ // Neotype / Mecyclothorax / ovalis Sloane / det. J.K. Liebherr 2004 [black-margined red label]. These specimens, both neotype and others in the series (MCZ) exhibit densely setose apical palpomeres as well as the small ovoid body diagnostic for NeonomiusMoore (1963)[9]. The male genitalia conform to the configuration observed in the subtribe Moriomorphina (Liebherr 2011a[13]), with both parameres broad, parallel-sided with rounded apices, and the right paramere ventrally setose, as observed in the generic type species N.laevicollis (Sloane) (Moore 1963[9], fig. 7). Based on these characters, Sloaneʼs species is newly combined as Neonomiusovalis (Sloane), comb. n. Among species of Neonomius, N.ovalis is diagnosable from the sympatric N.australis (Sloane) by: 1, the smaller body size, standardized body length 3.2–3.6 mm for the N.ovalis neotype series – agreeing with Sloane (1915[14]; 451) – versus 5.0 mm for N.australis (Sloane 1915[14]: 450); and 2, the reddish-brown body color versus “black, nitid; legs piceous-red; antennae reddish (Sloane 1915[14], 450)” for N.australis. Neonomiusovalis can be diagnosed from the other two southeastern Australian species placed in the genus – N.laevicollis (Sloane) and N.laticollis (Sloane) – by the apically less convex elytral interval 8, versus the laterally compressed, subcarinate interval 8 characterizing those two species. The type locality for M.ovalis (Sloane) becomes Mullewa. That Moore et al. (1987)[17] did not recognize Sloane’s Mecyclothoraxovalis as a member taxon of Neonomius Moore is based on the lack of any other specimens in the ANIC beyond the destroyed holotype of M.ovalis Sloane, whereas Darlington made this nomenclatural connection, but only for specimens he deposited in the MCZ.
All other names placed under Mecyclothorax Sharp in Moore et al. (1987[17]: 147–149) are treated below.

Taxon Treatment

  • Liebherr, J; 2018: Taxonomic review of Australian Mecyclothorax Sharp (Coleoptera, Carabidae, Moriomorphini) with special emphasis on the M.lophoides (Chaudoir) species complex Deutsche Entomologische Zeitschrift, 65(2): 177-224. doi


Other References

  1. Andrewes H (1939) Papers on Oriental Carabidae.–XXXV. On the types of some Indian genera. Annals and Magazine of Natural History (11th ser.)3: 128–139.
  2. Sloane T (1903) Studies in Australian Entomology. no. XII. New Carabidae (Panageini, Bembidiini, Pogonini, Platysmatini, Platynini, Lebiini, with revisional lists of genera and species, some notes on synonymy, &c.).Proceedings of the Linnean Society of New South Wales28: 566–642.
  3. 3.0 3.1 3.2 Britton E (1948) A revision of the Hawaiian species of Mecyclothorax (Coleoptera: Carabidae). Occasional Papers of the Bernice P.Bishop Museum19: 107–166.
  4. Lorenz W (1998) Nomina Carabidarum, A Directory of the Scientific Names of Ground Beetles.Published by the author, Tutzing, 937 pp.
  5. Jeannel R (1938) Les Migadopides (ColeopteraAdephaga), une ligneé subantarctique.Revue Française dʼEntomologie5: 1–55.
  6. Baehr M, Lorenz W (1999) A reevaluation of Loeffleriaglobicollis Mandl from Borneo (Insecta, Coleoptera, Carabidae, Psydrinae).Spixiana22: 263–267.
  7. Liebherr J, Marris J (2009) Revision of the New Zealand species of Mecyclothorax Sharp (Coleoptera: Carabidae: Psydrinae, Mecyclothoracini) and the consequent removal of several species to Meonochilus gen. n. (Psydrinae: Meonini).New Zealand Entomologist32: 5–22. https://doi.org/10.1080/00779962.2009.9722172
  8. 8.0 8.1 8.2 Liebherr J (2018) Cladistic classification of Mecyclothorax Sharp (Coleoptera, Carabidae, Moriomorphini) and taxonomic revision of the New Caledonian subgenus Phacothorax Jeannel.Deutsche Entomologische Zeitschrift65: 1–63. https://doi.org/10.3897/dez.65.21000
  9. 9.0 9.1 9.2 Moore B (1963) Studies on Australian Carabidae (Coleoptera)–3. the Psydrinae.Transactions of the Royal Entomological Society of London115: 277–290. https://doi.org/10.1111/j.1365-2311.1963.tb00810.x
  10. Perrault G (1984) La faune des Carabidae de Tahiti VI. révision du genre Mecyclothorax (Sharp) (Psydrini). 1. le groupe de M.muriauxi Perrault (Coleoptera). Nouvelle Revue dʼEntomologie (nouv. ser.)1: 19–31.
  11. Liebherr J (2013) The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Tahiti, Society Islands.ZooKeys322: 1–170. https://doi.org/10.3897/zookeys.322.5492
  12. Liebherr J (2015) The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakalā, Maui: Keystone of a hyperdiverse Hawaiian radiation.ZooKeys544: 1–407. https://doi.org/10.3897/zookeys.544.6074
  13. 13.0 13.1 Liebherr J (2011a) Cladistic assessment of subtribal affinities within the tribe Moriomorphini with description of Rossjoyceaglacialis, gen. n. and sp. n. from the South Island, and revision of Meonochilus Liebherr and Marris from the North Island, New Zealand (Coleoptera, Carabidae).ZooKeys147: 277–335. https://doi.org/10.3897/zookeys.147.1898
  14. 14.0 14.1 14.2 14.3 Sloane T (1915) Studies in Australian Entomology. no. XVII. New genera and species of Carabidae (Pamborini, Migadopini, Broscini, Cuneipectini, Nomiini, Pterostichini, Platynini, Oodini, Harpalini, and Lebiini).Proceedings of the Linnean Society of New South Wales40: 438–473. https://doi.org/10.5962/bhl.part.18880
  15. Darlington P (1962) The carabid beetles of New Guinea, part I. Cicindelinae, Carabinae, Harpalinae through Pterostichini.Bulletin of the Museum of Comparative Zoology126: 321–564.
  16. ICZN (International Commission on Zoological Nomenclature) (1999) International Code of Zoological Nomenclature.The International Trust for Zoological Nomenclature, London, UK, 306 pp. http://iczn.org/iczn/index.jsp, [accessed 26 June 2018]
  17. 17.0 17.1 Moore B, Weir T, Pyke J (1987) Coleoptera: Adephaga: Rhysodidae and Carabidae. In: Walton DW (Ed.) Zoological Catalogue of Australia 4, Australian Government Printing Service, Canberra, 17–320.