Results 31 to 40 of about 403 (154)

Orchid bees in riparian and terra-firme forest fragments in an urban matrix in southwestern Brazilian Amazonia

Acta Amazonica, 2021
Riparian forests are important ecosystems that support an enormous biodiversity in Brazil. Despite being protected under Brazilian legislation, these forests suffer great impact from the fragmentation of habitats.
Maria Eliene Maia Braga CÂNDIDO, Patrícia Nakayama MIRANDA, Elder Ferreira MORATO   +2 more
doaj   +1 more source

Species Distribution of Euglossini Bees (Hymenoptera: Apidae) at an Altitudinal Gradient in Northern Santa Catarina

Sociobiology, 2019
Euglossini bees are found from southern USA to Central Argentina and southern Brazil. Variations in latitude and altitude can influence the distribution of these bees.
Enderlei Dec, Isabela Alves dos Santos
doaj   +1 more source

Floral Resources Used by Euglossini Bees (Hymenoptera: Apidae) in Coastal Ecosystems of the Atlantic Forest

Psyche: A Journal of Entomology, 2012
In spite of playing an important ecological role as pollinators of tropical ecosystems, orchid bees are still poorly known regarding their floral resources.
L. C. Rocha-Filho, C. Krug, C. I. Silva, C. A. Garófalo   +3 more
doaj   +1 more source

Continuous Micro-Environments Associated Orchid Bees Benefit from an Atlantic Forest Remnant, Paraná State, Brazil

Sociobiology, 2019
The fragmentation and habitat loss are the main causes of pollinators decline worldwide, however very little is known about the composition and distribution of neotropical pollinators along continuous micro-environments.
Ana Isabel Sobreiro, Lucas Lopes da Silveira Peres, Samuel Boff, Jessica Amaral Henrique, Valter Vieira Alves Junior   +4 more
doaj   +1 more source

Urban Landscape Influence Orchid Bee Diversity in a Tropical Megacity

Journal of Applied Entomology, EarlyView.
ABSTRACT The increasing urbanization has affected pollinator communities, such as Euglossini bees, which play a crucial role in maintaining biodiversity through the pollination of numerous plants. However, the impact of different levels of urbanization on the diversity of these bees is still not fully understood, especially in large tropical urban ...
Amanda F. P. Machado, Pedro H. B. Togni, Sofia Graffigna, Leandro R. Tambosi, Gabriel O. Keller, Raphael M. Ferreira, Isabel Alves‐dos‐Santos   +6 more
wiley   +1 more source

Euglossa obrima, a new species of orchid bee from Mesoamerica, with notes on the subgenus Dasystilbe Dressler (Hymenoptera, Apidae)

ZooKeys, 2011
A new species of the orchid bee subgenus Dasystilbe Dressler (Euglossini: Euglossa Latreille) is described and figured from a series of males and females collected broadly in Mesoamerica. Euglossa (Dasystilbe) obrima, sp.
Ismael Hinojosa-Díaz, Gabriel Melo, Michael Engel   +2 more
doaj   +1 more source

Pollinator efficiency, rather than bee decline, explains a shift to hummingbird pollination in tropical montane forests

New Phytologist, EarlyView.
Hummingbird pollination is a hallmark of American plant diversity and has long been thought to evolve in tropical mountains due to declining bee activity. Using sister species of Costus specialized on bees (C. kuntzei) and hummingbirds (C. wilsonii), we show that this shift is not driven by reduced bee visitation with elevation, but by greater ...
Pedro Juárez, Kathryn Gerhardt, Eden Hughes, Cecilia Girvin, Anise Dellith‐Moser, Dennis Tenorio, Annya Livak, Kathleen M. Kay   +7 more
wiley   +1 more source

Tropical Bee Assemblage Diversity Decreases With Elevation While Body Size Increases

Biotropica, Volume 58, Issue 4, July 2026.
Photos of bee specimens collected in the Colombian Andes across a nearly 3000 m elevational cline. They are arranged to illustrate both the decline in richness with elevation and the increase in community average body size with elevation. ABSTRACT Elevation gradients are powerful drivers of changes in species composition, richness, and functional ...
Nash E. Turley, Harold Pulido‐Guarín, Daniel Nossa‐Suárez, Gabriella Hoffmann, Ruben D. Martín‐Rojas, Lucia Aguilar‐Benavides, Margarita M. López‐Uribe   +6 more
wiley   +1 more source

Genetics of Euglossini bees (Hymenoptera) in fragments of the Atlantic Forest in the region of Viçosa, MG [PDF]

Brazilian Journal of Biology, 2005
With uncontrolled deforestation, forest fragments remain, which in most cases are in different stages of regeneration and present isolated populations. In the present study we analyzed the genetic patterns of Eulaema nigrita populations in seven Atlantic Forest fragments of different sizes and successional stages in the region of Viçosa, MG.
Waldschmidt, A. M., Lopes, L. A., Marco Jr., P., Campos, L. A. O.   +3 more
openaire   +5 more sources

The orchid bees (Hymenoptera, Apidae, Euglossina) in a forest fragment from western Paraná state, Brazil

Papéis Avulsos de Zoologia, 2014
An orchid bee inventory was carried out in Parque Estadual São Camilo, Palotina, Paraná (Brazil); conservation unit with about 400 hectares of Semidecidual Seasonal forest.
Rodrigo B. Gonçalves, Vanessa L. Scherer, Priscila S. Oliveira   +2 more
doaj   +1 more source