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The butterfly diversity was surveyed in Cotton University Campus, Guwahati, Assam. A total of 39 species and 511 individuals were recorded, Psyche being the most dominant butterfly species (n=47). The maximum number of species encountered was in family Nymphalidae (n=14) while minimum in family Hesperidae (n=3). Number of individuals encountered wa...
This study aimed to analyze the diversity of the three communities of butterflies in semideciduous forest and
fields of the Grassland Biome in Rio Grande do Sul. Monthly samples were collected through the use of
entomological nets, from October 2012 to June 2013. Totaling 180h for local time-net, it was found that even close
to or sharing the same...
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... The remainder are made up by a number of small genera whose tribal or subtribal status has not been rigorously studied or which show unusual, from a biogeographical point of view, transcontinental affinities. The two most outstanding examples are Manataria Kirby, [1904] with 3-4 species whose status within the predominantly Paleotropical Melanitini appears established and confirmed by both morphological and advanced molecular data (Pyrcz et al. 2020), and Oressinoma. The latter genus contains two recognized species only. ...
A new, and only the third known species of the Neotropical montane genus Oressinoma Doubleday is described—O. sorina n. sp., from the Andes of central Peru. It is distinguishable immediately from the other two congeners by the shape of the hindwing underside submarginal orange band, and by the male genitalia. The systematics of Oressinoma are reviewed. A preliminary analysis is carried out based on COI barcode confirming the separate specific status of O. sorina n. sp. in relation to other two congeners. Both barcode and genital morphology data suggest that the widespread O. typhla Doubleday may be a complex of allopatric or, locally parapatric species. The genus Oressinoma is the only neotropical member of the predominantly Australian subtribe Coenonymphina, represented in the entire Holarctic by one genus only—Coenonympha Hübner, considered as the putative sister-genus of Oressinoma. Their origins and relationships are briefly discussed.
Abstract Restoration of forests is now considered an essential tool to combat climate change and the global biodiversity decline. However, our understanding of how animal communities recover after restoration interventions in tropical forests is limited. Here, we aim to reveal the recovery patterns of fruit‐feeding butterfly communities across a large‐scale rainforest restoration area in Kibale National Park, Uganda. Our study represents a chronosequence resampling of fruit‐feeding butterfly communities across actively restored Afrotropical forest planted between 1995 and 2011 and primary forest reference sites. Sampling of 40 study sites was done first in the period 2011–2012 and again in the period 2020–2021 (including 5 new study sites), allowing a direct comparison of how communities have changed in nine years and to follow the progress of 26 years of active restoration. Fruit‐feeding butterfly community composition showed a directional pattern from the younger restored to older restored and primary forests. However, over the nine years, the similarity of community composition to primary forest increased only in younger restored forests. Furthermore, different characteristics of community structure and different diversity facets recovered at different paces. For example, the count of individuals, the count of species, and phylogenetic diversity increased in the restored forests; however, Simpson's diversity increased only in the older restored forest. Our study shows that active restoration can help fruit‐feeding butterfly communities become increasingly similar to communities found in primary forests, and such changes can be relatively fast in the early‐successional phases of tropical forests but slow down at later phases.
1. The conversion of tropical forests into agriculture reduces biodiversity dramatically. However, species might differ in their responses, depending on their habitat specialisation and geographic origin. In this study, we assess how butterfly assemblages differ between old-growth forests, forest fragments, forest-derived vanilla agroforests, fallow-derived vanilla agroforests, woody fallows, herbaceous fallows, and rice paddies in Madagascar.
2. We recorded 88 butterfly species, of which 65 species are endemic to Madagascar. Land-use types with woody vegetation sustained many endemic (mean: 6.8 species) and forest butterfly species (mean: 4.8 species). Rice paddies and herbaceous fallows were richer in open-land species (mean: 7.6 species) and poorer in forest species (mean: 1.7 species) compared to other land-use types. Compared to herbaceous fallows, fallow-derived vanilla agroforests hosted more endemic (+164%) and forest (+239%) species. Richness of open-land species in forest-derived vanilla agroforests was six times higher than in forest fragments.
3. Overall, 27% of species occurred exclusively in one land-use type and 19% of all species when old-growth forests were excluded. We found the highest number of exclusive species in forest-derived vanilla agroforests.
4. We conclude that all studied land-use types contribute to butterfly conservation in our study region. Especially the woody vegetation in forest fragments, vanilla agroforests, and woody fallows supports a high butterfly diversity and is pivotal for maintaining a broad diversity of forest butterflies in the agricultural matrix. Our study highlights the importance of preserving the diversity of small-scale land-use types, including agroforestry, forests and fallow land in this tropical biodiversity hotspot.
