Chronoxenus dalyi

Chronoxenus dalyi
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Dolichoderinae
Genus:	Chronoxenus
Species:	C. dalyi
Binomial name
Chronoxenus dalyi (Forel, 1895) Specimen Labels

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 22.157° to 22.157°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

Distribution based on Regional Taxon Lists

Indo-Australian Region: Singapore.
Oriental Region: Bangladesh, India (type locality), Nepal.
Palaearctic Region: China.

Distribution based on AntMaps

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.

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.

Nomenclature

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

• dalyi. Bothriomyrmex wroughtoni r. dalyi Forel, 1895e: 469 (diagnosis in key) (w.) INDIA (Tamil Nadu, West Bengal, Karnataka, Maharashtra).
  • Type-material: syntype workers (number not stated).
  • [Notes (i): Baroni Urbani, 1977e: 79, cites 6w syntypes NHMB; (ii) Shattuck, 1994: 37, cites 48w syntypes (2 MCZC, 40 MHNG, 6 NHMB).]
  • Type-localities: India: Coonoor (Daly), India: Barrackpore (G.A.J. Rothney), India: Kanara (R.C. Wroughton), India: Poona (R.C. Wroughton).
  • Type-depositories: MCZC, MHNG, NHMB.
  • Combination in Bothriomymex (Chronoxenus): Santschi, 1919i: 202; Wheeler, W.M. 1928c: 30;
  • combination in Bothroponera: Chapman & Capco, 1951: 52 (error);
  • combination in Chronoxenus: Heterick & Shattuck, 2011: 166.
  • Subspecies of wroughtonii: Emery, 1913a: 29; Viehmeyer, 1916a: 142; Santschi, 1919i: 202; Wheeler, W.M. 1928c: 30; Wheeler, W.M. 1930h: 73; Chapman & Capco, 1951: 188; Pisarski, 1967: 407; Shattuck, 1994: 37; Bolton, 1995b: 81; Mohanraj, et al. 2010: 6.
  • Status as species: Bingham, 1903: 307; Collingwood, 1970: 382; Wu, J. & Wang, 1995: 119; Tiwari, 1999: 83; Guénard & Dunn, 2012: 24; Bharti, Guénard, et al. 2016: 18; Wang, W.Y., Soh, et al. 2022: 23.
  • Distribution: Afghanistan, China, India (+ Andaman Is), Nepal, Singapore.

Description

Worker

Bingham (1903): Head, thorax and abdomen yellowish brown, the abdomen sometimes dark brown. The whole insect covered with a whitish pubescence, most dense and somewhat long on the head and abdomen; pilosity very sparse, confined to a few scattered pale hairs on the front of the head and on the abdomen posteriorly. Head with the mandibles broadly oval, the top of the head slightly convex, the occiput widely emarginate ; mandibles broad, with 4 teeth placed rather wide apart; clypeus much broader than high, slightly convex, its anterior margin slightly but distinctly arched; antennae more slender and longer than in B. myops, the scape extending slightly above the top of the head, the 2nd joint of the flagellum distinctly longer than broad; eyes larger, placed more to the front than in B. myops. Thorax short, somewhat laterally compressed. Node of the pedicel higher and more erect than in B. myops; abdomen broadly oval.

Length: 2 - 2.5 mm

References

• Brassard, F., Leong, C.-M., Chan, H.-H., Guénard, B. 2021. High diversity in urban areas: How comprehensive sampling reveals high ant species richness within one of the most urbanized regions of the world. Diversity 13, 358 (doi:10.3390/d13080358).
• Heterick, B.E. & Shattuck, S.O. 2011. Revision of the ant genus Iridomyrmex. Zootaxa 2845: 1-175.
• Subedi, I.P., Budha, P.B., Bharti, H., Alonso, L. 2020. An updated checklist of Nepalese ants (Hymenoptera, Formicidae). ZooKeys 1006, 99–136 (doi:10.3897/zookeys.1006.58808).
• Wang, W.Y., Soh, E.J.Y., Yong, G.W.J., Wong, M.K.L., Benoit Guénard, Economo, E.P., Yamane, S. 2022. Remarkable diversity in a little red dot: a comprehensive checklist of known ant species in Singapore (Hymenoptera: Formicidae) with notes on ecology and taxonomy. Asian Myrmecology 15: e015006 (doi:10.20362/am.015006).

References based on Global Ant Biodiversity Informatics

• Baroni Urbani C. 1977. Katalog der Typen von Formicidae (Hymenoptera) der Sammlung des Naturhistorischen Museums Basel (2. Teil). Mitt. Entomol. Ges. Basel (n.s.) 27: 61-102.
• Collingwood C.A. 1970. Formicidae (Hymenopter: Aculeata) of Nepal. Himalaya Khumbu Himal, 3: 371-388.
• Forel A. 1895. Les Formicides de l'Empire des Indes et de Ceylan. Part V. J. Bombay Nat. Hist. Soc. 9: 453-472.
• Guénard B., and R. R. Dunn. 2012. A checklist of the ants of China. Zootaxa 3558: 1-77.
• Hua Li-zhong. 2006. List of Chinese insects Vol. IV. Pages 262-273. Sun Yat-sen university Press, Guangzhou. 539 pages.
• Li Z.h. 2006. List of Chinese Insects. Volume 4. Sun Yat-sen University Press
• 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.
• Pisarski B. 1967. Fourmis (Hymenoptera: Formicidae) d'Afghanistan récoltées par M. Dr. K. Lindberg. Annales Zoologici (Warsaw) 24: 375-425.
• Shattuck S. O. 1994. Taxonomic catalog of the ant subfamilies Aneuretinae and Dolichoderinae (Hymenoptera: Formicidae). University of California Publications in Entomology 112: i-xix, 1-241.
• Thapa V. K. 2000. An Inventory of Nepal's Insects, Vol. III. IUCN Nepal, Kathmandu, xi + 475 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. 1930. A list of the known Chinese ants. Peking Natural History Bulletin 5: 53-81.
• Wu J. and Wang C.. 1995. The ants of China. China Forestry Publishing House, Beijing. 214 pp.