Results 31 to 40 of about 1,480 (81)

Influência de fragmentos florestais sobre a nidificação de vespas sociais (Hymenoptera, Vespidae) em cafeeiro [PDF]

open access: yes, 2020
O desmatamento imposto por culturas agrícolas afeta negativamente as interações ecológicas protagonizadas por determinadas espécies, como as vespas sociais.
Milani, Lucas Rocha   +4 more
core   +1 more source

Wasp and Ant Nests: Who Really Protects Whom? New Insights From Amazonian Forests

open access: yesAustral Ecology, Volume 51, Issue 5, May 2026.
ABSTRACT Studies of animal behaviour are often biased towards species that are large‐bodied or have broad geographic ranges, as these are easier to observe in nature. Consequently, our understanding of behavioural ecology is shaped by such biases, even though these studies have provided important insights.
Sergio Santorelli Junior   +4 more
wiley   +1 more source

Nidificação de Nasutitermes cf. callimorphus Mathews, 1977 (Blattodea: Termitidae) em Aechmea bromeliifolia (Rudge) Baker no Parque Estadual do Pico do Itambé, Minas Gerais

open access: yesEntomology Beginners
As bromélias são plantas que frequentemente abrigam diversos insetos em suas rosetas, e estabelecem interações ecológicas com diferentes níveis de dependência. Entre os táxons associados, os cupins destacam-se pelo uso das bromélias como abrigo ou local
Natacha Aparecida da Silva   +3 more
doaj   +1 more source

Notes on the nesting biology of five species of Euglossini (Hymenoptera: Apidae) in the Brazilian Amazon

open access: yesEntomoBrasilis, 2017
. The orchid bees (Euglossini) are medium to large-sized species with fully or partially metallic body that are relatively common in the Neotropical Region. Nevertheless, the nesting biology of many species remains unknown.
Fernando da Silva Carvalho-Filho   +1 more
doaj   +1 more source

Unravelling the drivers of island species richness in tropical savannas

open access: yesJournal of Ecology, Volume 114, Issue 4, April 2026.
Murundu island area explains a substantial proportion of the variation in tree and herb richness, consistent with Island Biogeography Theory. On average, a 10% increase in island size corresponds to increases of seven tree species and 7.8 herb species.
Henrique A. Mews   +5 more
wiley   +1 more source

Migração de enxames de vespas sociais: demonstração de um caminho químico [PDF]

open access: yesActa Amazonica, 1981
Resumo Vespas sociais da espécie Polybia sericea, que foram forçadas a enxamear pela destruição do seu ninho, foram atraídas pela secreção de uma glândula exócrina que se localiza na margem anterior (base) do quinto esternito abdominal das fêmeas ...
Robert L. Jeanne
doaj   +1 more source

Local and landscape features of urban fragments determine the occurrence of stingless bees As características locais e paisagísticas dos fragmentos urbanos determinam a ocorrência de uma espécie de abelhas sem ferrão

open access: yesInsect Conservation and Diversity, Volume 18, Issue 6, Page 1027-1036, November 2025.
Both local and landscape factors associated with habitat availability and quality determine the persistence of stingless bees across fragments. Places where the species occurs have local and landscape characteristics distinctive from those where it is absent.
Yasmine Antonini   +2 more
wiley   +1 more source

First Record of Pseudomyrmex acanthobius Emery in Brazilian Pantanal

open access: yesEntomoBrasilis, 2016
. Associations between ants and plants may be described, in some cases, as mutualisms. Ants use plant structures as sites for nesting and in return they offer protection against herbivory.
Rodrigo Aranda   +2 more
doaj   +1 more source

Estimating abundance of aggregated populations with drones while accounting for multiple sources of errors: A case study on the mass nesting of Giant South American River Turtles

open access: yesJournal of Applied Ecology, Volume 62, Issue 8, Page 2036-2047, August 2025.
The developed approach can be applied to several contexts to efficiently survey spatially aggregated populations using drone‐derived orthomosaics, and to understand phenology at these aggregation sites. We provide general recommendations for planning surveys and discuss implementations of our approach using other types of marking methods and model ...
Ismael V. Brack   +5 more
wiley   +1 more source

Tree traits are a stronger predictor of bee traits and species richness than taxonomic diversity

open access: yesFunctional Ecology, Volume 39, Issue 1, Page 281-292, January 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Functional traits help to understand biological diversity and the mechanism by which ecological communities are structured and how they respond to the environment. For example, the high tree species diversity within tropical forests can be grouped into a few functional ...
Adrian González‐Chaves   +5 more
wiley   +1 more source

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