Plagiolepis exigua

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Plagiolepis exigua
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Plagiolepidini
Genus: Plagiolepis
Species: P. exigua
Binomial name
Plagiolepis exigua
Forel, 1894

Plagiolepis exigua casent0101305 profile 1.jpg

Plagiolepis exigua casent0101305 dorsal 1.jpg

Specimen labels

Subspecies

Identification

Sharaf et al. (2011) - Forel mentioned that the scapes of this species reach posterior margin of head, but the scapes fail to reach the margin in the syntype. In addition, he gave the funiculus segments 2-5 x broader than long. On the syntype the fifth segment is as long as or little longer than broad.

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Afrotropical Region: United Arab Emirates.
Indo-Australian Region: New Guinea.
Malagasy Region: Madagascar, Seychelles.
Oriental Region: India (type locality).
Palaearctic Region: China.


Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Worker

Queen

Male

Nomenclature

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

  • exigua. Plagiolepis exigua Forel, 1894c: 417 (w.q.) INDIA. Viehmeyer, 1916a: 145 (m.). See also: Sharaf, Aldawood & Taylor, 2011: 206. Current subspecies: nominal plus quadrimaculata.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Description

Worker

Sharaf et al. (2011) - Syntype. TL 1.23, HL 0.36, HW 0.31, SL 0.26, EL 0.06, PRW 0.20, ML 0.35, SI 84, CI 86.

Mesosoma, legs, antennae, clypeus and mandibles yellow, head and gaster pale yellowish brown, the latter with a more or less longitudinal median yellowish band that interrupt the brownish tergites. Smooth and shining. Head oval, longer than broad with convex sides, nearly as broad anteriorly as posteriorly. Eyes situated in the anterior third of head sides and with 6 ommatidia in the longest row (EL 0.19 x HW). Anterior clypeal margin convex and without carinae. Scapes fail to reach the posterior margin of head. Second funicular segment distinctly shorter than third. Funicular segments 2-4 broader than long, the fifth funicular segment as long as or little longer than broad. Occiput feebly concave. Mesosoma compact, short with convex pronotum and mesonotum and distinct mesonotal and metanotal grooves. Basal face of propodeum short, while its descending face long. Pubescence yellow, fine and regularly distributed over whole body. Very few erect hairs except on anterior of clypeus.

Type Material

Sharaf et al. (2011) - Syntype worker, India, Poona (Wroughton), (Musee d'Histoire Naturelle Genève) [examined].

References

References based on Global Ant Biodiversity Informatics

  • Dias R. K. S. 2013. Diversity and importance of soil-dweeling ants. Proceedings of the National Symposium on Soil Biodiversity, chapt 4, pp 19-22.
  • Dias R. K. S., and K. R. K. Anuradha Kosgamage. 2012. Occurrence and species diversity of ground-dwelling worker ants (Family: Formicidae) in selected lands in the dry zone of Sri Lanka. J. Sci. Univ. Kelaniya 7: 55-72.
  • Dias R. K. S., and R. P. K. C. Rajapaksa. 2016. Geographic records of subfamilies, genera and species of ants (Hymenoptera: Formicidae) in the four climatic zones of Sri Lanka: a review. J. Sci. Univ. Kelaniya 11(2): 23-45.
  • Forel A. 1912. H. Sauter's Formosa-Ausbeute. Formicidae (Hym.) (Schluss). Entomol. Mitt. 1: 45-61.
  • Forel A. 1913. 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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  • Li Z.h. 2006. List of Chinese Insects. Volume 4. Sun Yat-sen University Press
  • Rajan P. D., M. Zacharias, and T. M. Mustak Ali. 2006. Insecta: Hymenoptera: Formicidae. Fauna of Biligiri Rangaswamy Temple Wildlife Sanctuary (Karnataka). Conservation Area Series, Zool. Surv. India.i-iv,27: 153-188.
  • Ran H., and S. Y. Zhou. 2013. Checklist of Chinese Ants: Formicomorph Subfamilies ( Hymenoptera: Formicidae) (III). Journal of Guangxi Normal University : Natural Science Edition 31(1): 104-111.
  • Room P. M. 1975. Diversity and organization of the ground foraging ant faunas of forest, grassland and tree crops in Papua Nez Guinea. Aust. J. Zool. 23: 71-89.
  • Room, P.M. 1975. Relative Distributions of Ant Species in Cocoa Plantations in Papua New Guinea Relative Distributions of Ant Species in Cocoa Plantations in Papua New Guinea. Journal of Applied Ecology 12(1):47-61
  • Santschi F. 1937. Fourmis du Japon et de Formose. Bulletin et Annales de la Société Entomologique de Belgique. 77: 361-388.
  • Tang J., Li S., Huang E., Zhang B. and Chen Y. 1995. Hymenoptera: Formicidae (1). Economic Insect Fauna of China 47: 1-133.
  • Terayama M. 2009. A synopsis of the family Formicidae of Taiwan (Insecta: Hymenoptera). Research Bulletin of Kanto Gakuen University. Liberal Arts 17:81-266.
  • Terayama, M. 2009. A synopsis of the family Formicidae of Taiwan (Insecta; Hymenoptera). The Research Bulletin of Kanto Gakuen University 17: 81-266.
  • Varghese T. 2004. Taxonomic studies on ant genera of the Indian Institute of Science campus with notes on their nesting habits. Pp. 485-502 in : Rajmohana, K.; Sudheer, K.; Girish Kumar, P.; Santhosh, S. (eds.) 2004. Perspectives on biosystematics and biodiversity. Prof. T.C. Narendran commemoration volume. Kerala: Systematic Entomology Research Scholars Association, xxii + 666 pp.
  • Wheeler W. M. 1928. Ants collected by Professor F. Silvestri in China. Bollettino del Laboratorio di Zoologia Generale e Agraria della Reale Scuola Superiore d'Agricoltura. Portici 22: 3-38.
  • Wheeler W. M. 1929. Ants collected by Professor F. Silvestri in Formosa, the Malay Peninsula and the Philippines. Bollettino del Laboratorio di Zoologia Generale e Agraria della Reale Scuola Superiore d'Agricoltura. Portici 24: 27-64.