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VOL. 10, ISSUE 2 (2025)
Population dynamics of Danaus chrysippus and Tirumala limniace with respect to seasonality in an urban ecosystem
Authors
Kannan K, Vincent S, Sumit Rose
Abstract
Urban ecosystems play a critical role in
supporting biodiversity, particularly for species sensitive to environmental
changes, such as butterflies. This study examines the population dynamics of
two tropical butterfly species, Danaus chrysippus and Tirumala
limniace, in the Presidency College campus and surrounding areas in
Chennai, India, over three years (2021–2023). Monthly surveys were conducted
across five distinct sampling locations to monitor butterfly populations and
their correlations with climatic variables, including temperature and rainfall.
Statistical analyses revealed significant seasonal variations, with D.
chrysippus exhibiting population peaks during post-monsoon and summer
seasons, while T. limniace thrived during the monsoon period. Spearman
correlation showed strong positive associations between tempe rature and D.
chrysippus (r = 0.72, p < 0.05), and between rainfall and T. limniace
(r = 0.81, p < 0.01). Analysis of variance (ANOVA) confirmed significant
seasonal differences in populations (p < 0.01 for both species). These
findings highlight the critical role of climatic factors and host plant
phenology in shaping butterfly populations in urban landscapes. Conservation
strategies must prioritize native vegetation and adapt to seasonal climatic
variability to sustain urban butterfly diversity.
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Pages:118-122
How to cite this article:
Kannan K, Vincent S, Sumit Rose "Population dynamics of <i>Danaus chrysippus</i> and <i>Tirumala limniace</i> with respect to seasonality in an urban ecosystem". International Journal of Entomology Research, Vol 10, Issue 2, 2025, Pages 118-122
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