Population and Nesting Behaviour of Weaver Ants, Oecophylla smaragdina from Meghalaya, India

Authors

  • Jonata Savio A Sangma Department of Zoology, School of Life Sciences, North-Eastern Hill University, Shillong-793 022, India
  • Surya Bali Prasad Professor, Department of Zoology North-Eastern Hill University Shillong

DOI:

https://doi.org/10.13102/sociobiology.v68i4.7204

Keywords:

Weaver ant, Oecophylla smaragdina, nest building, nest size, population population

Abstract

Weaver ants are known for their unique nest-building skills using leaves and larval-silk as a binding agent. The weaver ants, Oecophylla smaragdina are present in large numbers in the Ri-Bhoi district, Meghalaya. Ri-Bhoi district is a hot and humid place with  22 -30°C. This is the first study from this region to examine the nesting behavior along with the population of these ants from here.  It was noted that they build nests in different types of trees but it is more abundant in needlewood trees (Schima wallichi) locally known as ‘diengngan.’ From the central trunk of the S. wallichi tree, the nearest distance of the nest is about 0.7 m and the farthest up to 3.4 m. The nests of O. smaragdina are somewhat round-oval and use leaves of different sizes ranging from 8-32 cm2. The nests are made at a height ranging from 4-25 m and their average nest size is about 9,483 cm3. They utilize about twenty leaves with a specific number of chambers to keep their broods, the queen, and food. The number of worker ants, pupae, and larvae are variable in different nests because of nest size, location/height of the nests, and the trees.  When the nest population increases, they locate a new spot and build a satellite nest where they get the right amount of sunlight and shelter from predators and adverse environmental factors. These weaver ants are also used as medicine, food and fish bait by the indigenous people in Meghalaya.

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Author Biographies

Jonata Savio A Sangma, Department of Zoology, School of Life Sciences, North-Eastern Hill University, Shillong-793 022, India

Research Scholar, Department of Zoology, School of Life Sciences, North-Eastern Hill University,

Shillong-793 022, India

Surya Bali Prasad, Professor, Department of Zoology North-Eastern Hill University Shillong

Professor, Department of Zoology

North-Eastern Hill University, Shillong

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Published

2021-12-23

How to Cite

Sangma, J. S. A., & Prasad, S. B. (2021). Population and Nesting Behaviour of Weaver Ants, Oecophylla smaragdina from Meghalaya, India. Sociobiology, 68(4), e7204. https://doi.org/10.13102/sociobiology.v68i4.7204

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Section

Research Article - Ants