Leptogenys diminuta

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Leptogenys diminuta
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ponerinae
Tribe: Ponerini
Genus: Leptogenys
Species: L. diminuta
Binomial name
Leptogenys diminuta
(Smith, F., 1857)

Leptogenys diminuta casent0106010 profile 1.jpg

Leptogenys diminuta casent0106010 dorsal 1.jpg

Specimen labels

Subspecies
Synonyms

Photo Gallery

  • Leptogenys diminuta with milliped prey, India. Photo by Manoj Vembayam.

Identification

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).
Indo-Australian Region: Borneo, Indonesia, Malaysia (type locality), New Guinea, Philippines, Solomon Islands.
Oriental Region: Bangladesh, India, Laos, Myanmar (type locality), Sri Lanka, Thailand, Vietnam.
Palaearctic Region: China.

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Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • diminuta. Ponera diminuta Smith, F. 1857a: 69 (w.) BORNEO. Forel, 1900d: 312 (q.m.); Wheeler, G.C. & Wheeler, J. 1976a: 49 (l.); Imai, Brown, et al. 1984: 67 (k.); Imai, Kubota, et al. 1985: 46 (k.). Combination in Lobopelta: Mayr, 1862: 734; in Leptogenys: Emery, 1895k: 461. Senior synonym of simillima: Mayr, 1863: 428; of bismarckensis, ferox, stitzi, santschii and material of the unavailable names amboinensis, huruensis referred here: Wilson, 1958a: 118; of yarrabahna: Taylor, 1988: 34. Current subspecies: nominal plus deceptrix, diminutolaeviceps, fruhstorferi, laeviceps, nongnongi, opacinodis, palliseri, sarasinorum, striatula, tjibodana, woodmasoni. See also: Bingham, 1903: 61.
  • simillima. Ponera simillima Smith, F. 1860b: 104 (w.) INDONESIA (Batjan I.). Combination in Lobopelta: Mayr, 1862: 734. Junior synonym of diminuta: Mayr, 1863: 428.
  • ferox. Ponera ferox Smith, F. 1865: 70 (w.) INDONESIA (Salawaty I.). Combination in Leptogenys: Donisthorpe, 1932c: 472. Junior synonym of diminuta: Wilson, 1958a: 118.
  • bismarckensis. Leptogenys (Lobopelta) diminuta var. bismarckensis Forel, 1901b: 7 (w.) NEW GUINEA (Bismarck Archipelago). Junior synonym of diminuta: Wilson, 1958a: 118.
  • papuana. Leptogenys (Lobopelta) diminuta var. papuana Stitz, 1912: 498, fig. 1 (w.) NEW GUINEA. [Junior primary homonym of papuana Emery, above.] Replacement name: stitzi Viehmeyer, 1924b: 310.
  • yarrabahna. Leptogenys (Lobopelta) diminuta var. yarrabahna Forel, 1915b: 29 (w.m.) AUSTRALIA. Junior synonym of diminuta: Taylor, 1988: 34.
  • santschii. Leptogenys (Lobopelta) diminuta subsp. santschii Mann, 1919: 299 (w.q.m.) SOLOMON IS. Junior synonym of diminuta: Wilson, 1958a: 118.
  • stitzi. Leptogenys (Lobopelta) diminuta var. stitzi Viehmeyer, 1924b: 310. Replacement name for papuana Stitz, 1912: 498. [Junior primary homonym of papuana Emery, 1897d: 556.] Junior synonym of diminuta: Wilson, 1958a: 118.
  • hodgsoni. Leptogenys (Lobopelta) diminuta r. hodgsoni Forel, 1900d: 308 (diagnosis in key) (w.) MYANMAR. Raised to species: Bingham, 1903: 62. Junior synonym of diminuta: Xu, Z.-H., He, Q.-J. 2015: 144.

Type Material

  • Leptogenys (Lobopelta) diminuta yarrabahna Forel, 1915: Syntype, 1 worker, Yarrabah, Queensland, Australia, Mjoberg, ANIC32-017977, Australian National Insect Collection.
  • Leptogenys (Lobopelta) diminuta yarrabahna Forel, 1915: Syntype, workers, Yarrabah and Bellenden Ker, Queensland, Australia.
  • Ponera diminuta Smith, 1857: Syntype, uncertain, Borneo (Sarawak), Malaysia, museum unknown (probably BMNH (London)).

The following notes on F. Smith type specimens have been provided by Barry Bolton (details):

Ponera diminuta

Two worker syntypes in Oxford University Museum of Natural History. Labelled “SAR. 31” (= Sarawak) and with Donisthorpe type-label.

Ponera ferox

Holotype worker in Oxford University Museum of Natural History. Labelled “S” (= Salawaty I.) and with a Donisthorpe type-label.

Ponera simillima

Two worker syntypes in Oxford University Museum of Natural History. Labelled “Bac” (= Batjan I.) and with a Donisthorpe type-label.

Description

References

  • Arimoto, K., Yamane, S. 2018. Taxonomy of the Leptogenys chalybaea species group (Hymenoptera, Formicidae, Ponerinae) from Southeast Asia. Asian Myrmecology 10, e010008 (DOI 10.20362/am.010008).
  • Bingham, C. T. 1903. The fauna of British India, including Ceylon and Burma. Hymenoptera, Vol. II. Ants and Cuckoo-wasps. London: Taylor and Francis, 506 pp. (page 61, see also)
  • Emery, C. 1895m. Viaggio di Leonardo Fea in Birmania e regioni vicine. LXIII. Formiche di Birmania del Tenasserim e dei Monti Carin raccolte da L. Fea. Parte II. Ann. Mus. Civ. Stor. Nat. 34[=(2(14): 450-483 (page 461, Combination in Leptogenys)
  • Forel, A. 1900f. Les Formicides de l'Empire des Indes et de Ceylan. Part VII. J. Bombay Nat. Hist. Soc. 13: 303-332 (page 312, queen, male described)
  • Imai, H. T.; Brown, W. L., Jr.; Kubota, M.; Yong, H.-S.; Tho, Y. P. 1984. Chromosome observations on tropical ants from western Malaysia. II. Annu. Rep. Natl. Inst. Genet. Jpn. 34: 66-69 (page 67, karyotype described)
  • Imai, H. T.; Kubota, M.; Brown, W. L., Jr.; Ihara, M.; Tohari, M.; Pranata, R. I. 1985. Chromosome observations on tropical ants from Indonesia. Annu. Rep. Natl. Inst. Genet. Jpn. 35: 46-48 (page 46, karyotype described)
  • Mayr, G. 1862. Myrmecologische Studien. Verh. K-K. Zool.-Bot. Ges. Wien 12: 649-776 (page 734, Combination in Lobopelta)
  • Mayr, G. 1863a. Formicidarum index synonymicus. Verh. K-K. Zool.-Bot. Ges. Wien 13: 385-460 (page 428, Senior synonym of simillima)
  • Smith, F. 1857a. Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace. [part]. J. Proc. Linn. Soc. Lond. Zool. 2: 42-88 (page 69, worker described)
  • Taylor, R. W. 1988. The nomenclature and distribution of some Australian and New Caledonian ants of the genus Leptogenys Roger (=Prionogenys Emery, n. syn.) (Hymenoptera: Formicidae: Ponerinae). Gen. Appl. Entomol. 20: 33-37 (page 34, Senior synonym of yarrabahana)
  • Wheeler, G. C.; Wheeler, J. 1976a. Supplementary studies on ant larvae: Ponerinae. Trans. Am. Entomol. Soc. 102: 41-64 (page 49, larva described)
  • Wilson, E. O. 1958c. Studies on the ant fauna of Melanesia. I. The tribe Leptogenyini. II. The tribes Amblyoponini and Platythyreini. Bull. Mus. Comp. Zool. 118: 101-153 (page 118, Senior synonym of bismarchensis, ferox, stitzi and santschii, and material of the unavailable names amboinensis and buruensis referred heere.)
  • Xu, Z. 1996b. A taxonomic study of the ant genus Leptogenys (Hymenoptera: Formicidae) in China. J. Yunnan Agric. Univ. 11: 222-227 (page 224, see also)
  • Xu, Z.-H., He, Q.-J. 2015. Taxonomic review of the ponerine ant genus Leptogenys ROGER, 1861 (Hymenoptera: Formicidae) with a key to the Oriental species. Myrmecological News, 21, 137-161.