First record in 129 years of the Tamil Treebrown Lethe drypetis todara Moore, 1881 (Lepidoptera: Nymphalidae: Satyrinae) from Odisha, India by fruit-baiting

Mahata, Anirban; Jena, Sudheer Kumar; Palita, Sharat Kumar

doi:10.11609/jott.4485.11.15.15047-15052

Cited by 4 publications

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“…Mean daily aerial temperature (Temp), relative humidity (RH), relative light intensity (LI), and wind speed (WS) have been measured in each section of the transect. Temp, RH, and WS were measured using a digital anemometer (AVM-06, HTC, India), and LI was measured using a digital light meter (LX-103, Lutron, India) at each section during transect count (Mahata et al 2019a).…”

Section: Sm = N Umberofindiviualsonthepreferedhabitat T Otalnumberofi...mentioning

confidence: 99%

The composition and phenology of butterflies are determined by their functional trait in Indian tropical dry forests

Mahata,

Naik,

Palita

2024

Biodivers Conserv

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To understand the effects of local landscape factors on functional species composition and phenology of butter ies across multiple spatial scales, a study was carried out in a tropical dry forest of the northern highlands of the Eastern Ghats of India from November 2016 to October 2017. A total of 3343 individuals of butter ies were recorded, including 88 species of butter ies under 62 genera, 18 subfamilies, and 6 families in three different forest types (open, riparian, dense). Butter y species richness showed no signi cant deviations, but diversity patterns varied across transects. Beta diversity indicated differences in common species populations, likely due to uneven resource distribution in study site forests. The contribution of β transect to gamma diversity was greater than that of β elevation, except for specialists. Specialists were favoured by landscape attributes over forest type. Butter y abundance peaks in April for open and dense forests, and May for riparian forests. Results show variation in seasonal patterns across different forest types (F = 15.92, P < 0.001). Generalists and versatilists are more prevalent in April and February, while specialists are more abundant from October to November. Relative humidity, shrub density, and temperature were the major contributors (40.2%) for richness whereas relative humidity and shrub density contributed 26.3% for abundance. The relative humidity was predominant over temperature for species richness and is a major predictor for assemblages of generalist species. Resource utilization based on elevation plays an important role for habitat specialist species and highlights the importance of the spatial levels of elevation zones in conservation planning.

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Section: Sm = N Umberofindiviualsonthepreferedhabitat T Otalnumberofi...mentioning

confidence: 99%

The composition and phenology of butterflies are determined by their functional trait in Indian tropical dry forests

Mahata,

Naik,

Palita

2024

Biodivers Conserv

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Butterfly diversity in Koraput district of Odisha, Eastern Ghats, India

Mahata

Palita

2022

Trop Ecol

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Heteropogon‐Themeda grasses evolve to occupy either tropical grassland or wetland biomes

Arthan

Morales‐Fierro

Vorontsova

et al. 2022

J of Sytematics Evolution

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Species of the Heteropogon‐Themeda clade are ecologically important grasses distributed across the tropics, including widespread species, such as the pantropical Heteropogon contortus and Themeda triandra, and range‐restricted species such as Heteropogon ritchiei and Themeda anathera. Here, we examine habitat preferences of the grassland/savanna and wetland species by describing bioclimatic niche characteristics, characterizing functional traits, and investigating the evolution of functional traits of 31 species in the Heteropogon‐Themeda clade in relation to precipitation and temperature. The climatic limits of the clade are linked to mean annual precipitation and seasonality that also distinguish seven wetland species from 24 grassland/savanna species. Tests of niche equivalency highlighted the unique bioclimatic niche of the wetland species. However, climatic factors do not fully explain species geographic range, and other factors are likely to contribute to their distribution ranges. Trait analyses demonstrated that the wetland and grassland/savanna species were separated by culm height, leaf length, leaf area, awn length, and awn types. Phylogenetic analyses showed that the wetland species had tall stature with long and large leaves and lack of hygroscopic awns, which suggest selective pressures in the shift between savanna/grassland and wetland. The two most widespread species, H. contortus and T. triandra, have significantly different bioclimatic niches, but we also found that climatic niche alone does not explain the current geographic distributions of H. contortus and T. triandra. Our study provides a new understanding of the biogeography and evolutionary history of an ecologically important clade of C4 tropical grasses.

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First record in 129 years of the Tamil Treebrown Lethe drypetis todara Moore, 1881 (Lepidoptera: Nymphalidae: Satyrinae) from Odisha, India by fruit-baiting

Cited by 4 publications

References 0 publications

The composition and phenology of butterflies are determined by their functional trait in Indian tropical dry forests

The composition and phenology of butterflies are determined by their functional trait in Indian tropical dry forests

Butterfly diversity in Koraput district of Odisha, Eastern Ghats, India

Heteropogon‐Themeda grasses evolve to occupy either tropical grassland or wetland biomes

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