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In the wake of invasive species and climate change, sub-family Lymantriinae a neglected group was chosen to evaluate and consider as bio-indicator of the disturbed ecosystem with anthropogenic activities. In the present study, moth collections were carried out through a light trap in the plains at the foot hills of the Nilgiris and hilly regions of lower Pulney hills. The hilly region was more abundant with 260 individuals of 18 species from 12 genera under 5 tribes than the plains with 87 individuals of 14 species from 10 genera under 4 tribes. The dominant Lymantriid fauna were distinctly different for both regions. Plains were dominated by Aroa simplex attributed to prevalence of Lantana camera and hilly regions dominated by Perina nuda on Artocarpus heterophyllus intercropped in coffee plantations. The alpha diversity analysis also indicated that the hilly region was species-rich than the plains with more anthropogenic activities through Shannon Weiner Diversity index, Simpson’s Diversity index, Margalef Index of Species Richness, Equitability J Evenness Index, Jaccard and Sorensen Indices of Similarity. |
