Insects in Tropical and Subtropical Ecosystems

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Animal Diversity".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 594

Special Issue Editor


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Guest Editor
Department of Ecology, Zoology and Genetics, Federal University of Pelotas (Universidade Federal de Pelotas (UFPel)), Pelotas, Brazil
Interests: anthropogenic gradients; biodiversity monitoring and inventory; butterflies and bees conservation; endangered species; insect community ecology; species diversity

Special Issue Information

Dear Colleagues,

Tropical and subtropical regions harbor a great diversity of insects and play important roles in maintaining global biodiversity and ecosystem processes and dynamics. However, these ecosystems are increasingly threatened by habitat loss, land-use, and climate change. Understanding the ecological and functional roles of insects in these regions is essential for biodiversity conservation and sustainable management. This Special Issue invites original research articles addressing the diversity, ecology, and conservation of insects in tropical and subtropical ecosystems. We welcome contributions covering a wide range of topics, including (i) species diversity and distribution; (ii) ecological interactions; (iii) functional traits; (iv) responses to environmental change, including natural gradients and impacts of land-use change, fragmentation, and urbanization on insect communities; (v) monitoring and temporal diversity of insects; (vi) the role of insects in ecosystem services. By bringing together studies from different disciplines and regions, this Special Issue aims to advance our understanding of how insects contribute to the resilience and functioning of tropical and subtropical ecosystems in a changing world.

Dr. Cristiano Agra Iserhard
Guest Editor

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Keywords

  • anthropocene
  • conservation
  • diversity
  • ecological interactions
  • insect ecology
  • monitoring

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Published Papers (1 paper)

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Research

12 pages, 2123 KB  
Article
Year-Round Variation in a Butterfly Assemblage in a Subtropical Region Assessed Using Malaise Traps
by Yago Corrêa de Magalhães de Freitas, Jeferson Vizentin-Bugoni, Rodrigo Ferreira Krüger and Cristiano Agra Iserhard
Diversity 2026, 18(4), 226; https://doi.org/10.3390/d18040226 - 14 Apr 2026
Viewed by 293
Abstract
Understanding the mechanisms driving patterns of alpha and beta-diversity through temporal variation in taxonomic diversity remains a fundamental question in community ecology surveys. Insects represent a species-rich group playing several roles in ecological processes. However, knowledge of their temporal distribution and seasonality remains [...] Read more.
Understanding the mechanisms driving patterns of alpha and beta-diversity through temporal variation in taxonomic diversity remains a fundamental question in community ecology surveys. Insects represent a species-rich group playing several roles in ecological processes. However, knowledge of their temporal distribution and seasonality remains limited, particularly in subtropical regions. We investigated intra-annual patterns of alpha and beta-diversity of butterflies in Restinga ecosystems of southern Brazil, a subtropical region characterised by marked seasonality. Butterflies were monitored throughout one year using Malaise interception traps, and data were grouped by season. We tested seasonal differences in temperature and humidity and evaluated their association with patterns of richness, abundance, evenness, and species composition. Temperature was the main environmental filter structuring butterfly assemblages compared to humidity. Butterfly richness and abundance peaked in summer, followed by spring, coinciding with higher temperatures, while diversity declined markedly during winter. Although we expected winter assemblages to represent nested subsets of other seasons, beta-diversity analyses revealed high species turnover among seasons. Our findings demonstrate that temperature drove the structure of butterfly assemblages across seasons, highlighting the importance of monitoring to increase knowledge on the temporal dynamics and distribution of insects in the subtropical region. Full article
(This article belongs to the Special Issue Insects in Tropical and Subtropical Ecosystems)
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