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International Journal of Zoology and Applied Biosciences Research Article

Received on: 22/12/2024

Revised on: 30/12/2024

Accepted on: 25/01/2025

Published on: 31/01/2025

  • D. Nagarajan, S. Prabakaran and V. Soundararajan( 2025).

    Diversity of Ants (Hymenoptera: Formicidae) in Tiruvannamalai District of Southern Eastern Ghats of Tamil Nadu, India.

    . International Journal of Zoology and Applied Biosciences, 10( 1), 67-73.

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Abstract

This study provides a wide-ranging list of ant species (Hymenoptera: Formicidae) from the Tiruvannamalai district of Tamil Nadu, located in the South-Eastern Ghats of India. The study's main goal was to assess the diversity of ant species across a range of ecosystems, including agricultural landscapes (Padavedu and Cheyyar river) and Hilly regions (Annamalai Hills, Javathu Hills, Parvathamalai Hills, Sampathgiri Hills, and Ponnur Hills). Samples have been gathered under rocks, in wooden stems, under soil, in leaf litter and in decaying logs. A total of 37 species have been identified across 19 genera and 6 subfamilies. The finding indicated that species from the subfamily Myrmicinae were the most dominant, accounting for 32% of the total species recorded, followed by Formicinae (27%), Dolichoderinae (16%), Ponerinae (11%), Pseudomyrmecinae (11%) and Amblyoponinae (3%). Exotic species such as Anoplolepsis gracillipes (Smith, F., 1857), Paratrechina logicornis (Latreille, 1802), Monomorium monomorium Bolton, 1987, Monomorium Pharaonis (Linnaeus, 1758), Monomorium subopacum (Smith, F., 1858) and Tetramorium bicarinatum (Nylander, 1846) were also identified in the survey areas. The results indicate the region's ecological richness by highlighting the notable diversity of ants found there.

Keywords

Ants species, Formicidae, Dolichoderinae, Ponerinaem, Pseudomyrmecinae, Anoplolepsis gracillipes.