Polyrhachis laevissima

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Polyrhachis laevissima
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Cyrtomyrma
Species: P. laevissima
Binomial name
Polyrhachis laevissima
Smith, F., 1858

MCZ-ENT001 Polyrhachis-laevissima hal.jpg

MCZ-ENT001 Polyrhachis-laevissima had.jpg

Specimen Label

Subspecies
Synonyms

Nothing is known about the biology of Polyrhachis laevissima.

Identification

Polyrhachis laevissima closely resembles Polyrhachis sulang, but the latter differs in having a distinctly lower and more evenly convex mesosomal profile. They also differ in the configuration of the petiolar spines, with those in Polyrhachis laevissima reduced to obtuse teeth, while the lateral teeth in Polyrhachis sulang are distinctly elongate. The legs in Polyrhachis laevissima are distinctly light red, while in Polyrhachis sulang the legs are darker with black coxae. (Kohout 2006)

Keys including this Species

Distribution

Polyrhachis laevissima is distributed from Myanmar and India to Thailand, Malaysia, Sumatra and Java, with more recent records from Borneo (Maliau Basin, Sabah).

Latitudinal Distribution Pattern

Latitudinal Range: 22.675° to -1°.

 
North
Temperate 		North
Subtropical 		Tropical South
Subtropical 		South
Temperate

Distribution based on Regional Taxon Lists

Indo-Australian Region: Borneo, Indonesia, Malaysia, Singapore.
Oriental Region: Bangladesh, Cambodia, India, Laos, Myanmar (type locality), Thailand.

Distribution based on AntMaps

AntMapLegend.png

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.
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Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.
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Biology

Castes

MCZ Polyrhachis Cam sp1 hef3 2.jpgMCZ Polyrhachis Cam sp1 hal2.jpgMCZ Polyrhachis Cam sp1 had2.jpgMCZ Polyrhachis Cam sp1 lbs.jpg
. Owned by Museum of Comparative Zoology.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • laevissima. Polyrhachis laevissimus Smith, F. 1858b: 64, pl. 4, fig. 42 (w.) MYANMAR. Mayr, 1879: 651 (q.); Bingham, 1903: 402 (m.). Combination in P. (Cyrtomyrma): Wheeler, W.M. 1919e: 137. Senior synonym of globularia: Mayr, 1879: 651. See also: Kohout, 2006b: 113. Current subspecies: nominal plus dichroa.
  • globularia. Polyrhachis globularia Mayr, 1867a: 41 (w.) INDONESIA (Java). Junior synonym of laevissima: Mayr, 1879: 651.

Description

Worker

Length 2-1/4 lines. Black, smooth and shining, with the coxae, femora and tibiae ferruginous. Head large, wider than the thorax, the latter widest in front, gradually narrowed to the apex of the metathorax; the anterior margin of the thorax rounded, the lateral angles acute, the disk very convex, the metathorax oblique. The scale of the peduncle incrassate, subquadrate, the superior margin notched in the middle, the lateral angles produced and acute. Abdomen globose.

Queen

Femina: Long. 8-10 Mm. Nigra, pedibus ferugineis, tibiis basi tarsisque nigris; subnuda; tenuisime coriaceo-rugulosa et insuper punctulis valde superficialibus, dispersissime pilos microscopicos et brevissimos gerentibus; nitidissima, mandibuliS disperse punctatis et insuper, basi excepta, delicatule striolatis; clypeus absque carina mediana, margine antico in medio emarginato et bidentato; thorax inermis; petioli squama modice incrassata, obtrapezoidalis, margine sutperiore curvato, in medio modice emarginato, angulis acutis; alae infuscatae. (Mayr 1879)

Male

Similar to the queen, smaller; thorax shorter, proportionately deeper; mesonotum remarkably gibbous in front, head and abdomen very much smaller; wings as in the queen but a shade lighter in colour. Length, 6 mm. (Bingham 1903)

Type Material

MYANMAR (= Burma), col. Waring. Holotype worker from The Natural History Museum - as reported by Kohout (2006).

References

References based on Global Ant Biodiversity Informatics

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  • André E. 1896. Liste des Hyménoptères appartenant aux familles des Formicides et des Mutillides recueillis au Siam et au Cambodge et offerts au Muséum par M. Pavie. Bull. Mus. Hist. Nat. 2: 261-262.
  • Chantarasawat N., D. Sitthicharoenchai, C. Chaisuekul, and C. Lekprayoon. 2013. Comparison of Ants (Hymenoptera: Formicidae) Diversity in Dry Dipterocarp and Mixed-Deciduous Forests at Sri Nan National Park, Northern Thailand. Tropical Natural History 13(1): 1-19.
  • Chapman, J. W., and Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monogr. Inst. Sci. Technol. Manila 1: 1-327
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  • Emery C. Formiche raccolte da Elio Modigliani in Sumatra, Engano e Mentawei. Annali del Museo Civico di Storia Naturale 40: 661-722.
  • Emery, C. "Formiche raccolte da Elio Modigliani in Sumatra, Engano e Mentawei." Annali del Museo Civico di Storia Naturale Giacomo Doria (Genova) (2) 20, no. 40 (1900): 661-722.
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  • Forel A. 1886. Indian ants of the Indian Museum, Calcutta, No. 2. Journal of the Asiatic Society of Bengal. Part II. Natural Science 55: 239-249.
  • Forel A. 1893. Les Formicides de l'Empire des Indes et de Ceylan. Part III. J. Bombay Nat. Hist. Soc. 8: 17-36.
  • Forel A. 1903. Les fourmis des îles Andamans et Nicobares. Rapports de cette faune avec ses voisines. Rev. Suisse Zool. 11: 399-411.
  • Forel A. 1905. Ameisen aus Java. Gesammelt von Prof. Karl Kraepelin 1904. Mitt. Naturhist. Mus. Hambg. 22: 1-26.
  • Forel A. 1911. Fourmis nouvelles ou intéressantes. Bull. Soc. Vaudoise Sci. Nat. 47: 331-400.
  • Forel A. 1913k. Wissenschaftliche Ergebnisse einer Forschungsreise nach Ostindien ausgeführt im Auftrage der Kgl. Preuss. Akademie der Wissenschaften zu Berlin von H. v. Buttel-Reepen. II. Ameisen aus Sumatra, Java, Malacca und Ceylon. Gesammelt von Herrn Prof. Dr. v. Buttel-Reepen in den Jahren 1911-1912. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 36:1-148.
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  • Ito, F.; Yamane, S.; Eguchi, K.; Noerdjito, W. A.; Kahono, S.; Tsuji, K.; Ohkawara, K.; Yamauchi, K.; Nishida, T.; Nakamura, K. 2001. Ant species diversity in the Bogor Botanic Garden, West Java, Indonesia, with descriptions of two new species of the genus Leptanilla (Hymenoptera, Formicidae). Tropics 10:379-404.
  • Jaitrong W., and T. Ting-Nga. 2005. Ant fauna of Peninsular Botanical Garden (Khao Chong), Trang Province, Southern Thailand (Hymenoptera: Formicidae). The Thailand Natural History Museum Journal 1(2): 137-147.
  • Jaitrong W.; Nabhitabhata, J. 2005. A list of known ant species of Thailand. The Thailand Natural History Museum Journal 1(1): 9-54.
  • Kohout R.J. 2006. Review of Polyrhachis (Cyrtomyrma) Forel of Australia, Borneo, New Guinea and the Solomon Islands with descriptions of new species. Memoirs of the Queensland Museum 52: 87-146.
  • Lopwichan S., and S. Khachonpisitsak. 2015. Ant diversity in Nong Tha Yu Arboretum, Si Racha District, Chon Buri Province. Proceedings The 7 th National Science Research Conference. 30-31 March 2015. Naresuan University.
  • Mathew R. 2003. On Formicidae (Insecta: Hymenoptera) of Nongkhyllem Wild Life Sanctuary, Ri-Bhoi District, Meghalaya. Records of the Zoological Survey of India 101:195-207.
  • Mathew R., and R. N. Tiwari. 2000. Insecta: Hymenoptera: Formicidae. Pp. 251-409 in: Director; Zoological Survey of India (ed.) 2000. Fauna of of Meghalaya. Part 7. [State Fauna Series 4.] Insecta 2000. Calcutta: Zoological Survey of India, 621 pp.
  • Mohanraj P., M. Ali, and K. Veerakumari. 2010. Formicidae of the Andaman and Nicobar Islands (Indian Ocean: Bay of Bengal). Journal of Insect Science 10: Article 172
  • Mohanraj, P., M. Ali and K. Veenakumari. 2010. Formicidae of the Andaman and Nicobar Islands (Indian Ocean: Bay Of Bengal). Journal of Insect Science 10:172.
  • Mukherji D., and S. Ribeiro. 1925. On a collection of ants (Formicidae) from the Andaman Islands. Records of the Indian Museum 27: 205-209.
  • Pfeiffer M.; Mezger, D.; Hosoishi, S.; Bakhtiar, E. Y.; Kohout, R. J. 2011. The Formicidae of Borneo (Insecta: Hymenoptera): a preliminary species list. Asian Myrmecology 4:9-58
  • Rizali A., M. M. Bos, D. Buchori, Sk. Yamane, and C. H. Schulze. 2008. Ants in tropical urban habitats: the myrmecofauna in a densely populated area of Bogor, West Java, Indonesia. Hayati Journal of Biosciences 15(2): 77-84.
  • Rizali A., M.M. Bos, D. Buchori, Sk. Yamane, C. Hans, and J. Schulze. 2008. Ants in tropical urban habitats: the myrmecofauna in a densely populated area of Bogor, West Java, Indonesia. Hayati Journal of Biosciences 77-84.
  • Santschi F. 1924. Fourmis d'Indochine. Opuscules de l'Institut Scientifique de l'Indochine 3: 95-117
  • Santschi F. 1928. Fourmis de Sumatra, récoltées par Mr. J. B. Corporaal. Tijdschrift voor Entomologie 71: 119-140.
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