Results 91 to 100 of about 1,947 (193)

Stressful conditions reveal decrease in size, modification of shape but relatively stable asymmetry in bumblebee wings [PDF]

open access: yes, 2018
Human activities can generate a wide variety of direct and indirect effects on animals, which can manifest as environmental and genetic stressors.
A Detzel   +68 more
core   +3 more sources

Effects of landscape, resource use, and body size on genetic structure in bee populations

open access: yesEcology and Evolution, Volume 14, Issue 5, May 2024.
Quantifying genetic structure and levels of genetic variation are important to predicting the ability of populations to persist in human‐altered landscapes and adapt to future environmental changes. We assessed genetic diversity and genetic structure for seven Euglossine bee species that vary in resource specialization and body size.
Melissa Hernandez, Sevan Suni
wiley   +1 more source

Species of Euglossa of the analis group in the Atlantic forest (Hymenoptera, Apidae)

open access: yesZoologia (Curitiba), 2012
The species of Euglossa Latreille, 1802 of the analis group inhabiting the Brazilian Atlantic forest are revised and identification keys for males and females are provided. Five species are recognized in the Atlantic forest: Euglossa cognata Moure, 1970,
Luiz R. R. Faria, Gabriel A. R. Melo
doaj   +1 more source

Novel diagnostic tools for Asian (Apis cerana) and European (Apis mellifera) honey authentication [PDF]

open access: yes, 2018
Honey can be produced by different species of honeybees, with two being of economic importance due to their use in apiculture, namely Apis mellifera (known as European honeybee) and Apis cerana (known as Asian honeybee).
Amaral, Joana S.   +7 more
core   +1 more source

Orchid bees (Hymenoptera: Apidae) in the coastal forests of southern Brazil: diversity, efficiency of sampling methods and comparison with other Atlantic forest surveys

open access: yesPapéis Avulsos de Zoologia, 2011
Surveys of orchid bees at the Brazilian Atlantic forest have been restricted to a few regions, making difficult to understand latitudinal patterns of distribution and diversity of these bees.
Vanessa C. Mattozo   +2 more
doaj   +1 more source

Análisis de una taxocenosis de euglossina (Apidae, Hymenoptera) en un área de floresta estacional semidecidual del Parque Nacional do Iguaçu, Brasil: caracterización faunística y sazonalidad [PDF]

open access: yes, 2014
Anais do III Encontro de Iniciação Científica da Unila - Sessão de Biologia III - 07/11/14 – 16h00 às 18h00 - Unila-PTI - Bloco 03 – Espaço Mercosul – Sala 06Las abejas de las orquídeas, de la subtribu Euglossina, ocurren principalmente en florestas de ...
Arce, Araceli Judith   +2 more
core  

Orchid bees as bio-indicators for organic coffee farms in Costa Rica: Does farm size affect their abundance?

open access: yesRevista de Biología Tropical, 2006
The potential of Euglossini bees, especially Euglossa, as biological indicators of organic vs non-organic coffee farms was studied in Atenas and San Isidro, Alajuela, Costa Rica using 1.8-cineole as lure.
Ingemar Hedström   +2 more
doaj   +2 more sources

Biomonitoramento de abelhas euglossina (Apidae, Hymenoptera) em um SAF com castanheira-do-brasil (Bertholletia excelsa Bonpl., Lecythidaceae) em Tomé-Açu, Pará. [PDF]

open access: yes, 2011
A castanha-do-brasil (Bertholletia excelsa) é uma planta nativa da Amazônia e uma das mais importantes espécies de exploração extrativista do Brasil. É uma espécie melitófila, polinizada por abelhas de grande porte, como os Euglossina dos gêneros Eulaema
MAUES, M. M.   +3 more
core  

The production of elevated flight force compromises manoeuvrability in the fruit fly Drosophila melanogaster [PDF]

open access: yes, 2001
In this study, we have investigated how enhanced total flight force production compromises steering performance in tethered flying fruit flies, Drosophila melanogaster.
Dickinson, Michael H.   +1 more
core  

Revision of the species of Melipona of the fuliginosa group (Hymenoptera, Apoidea, Apidae, Meliponini) [PDF]

open access: yes, 2008
Três espécies são reconhecidas: Melipona (Michmelia) fuliginosa Lepeletier, 1836, de larga distribuição, do Suriname e Guiana Francesa até o sudeste do Brasil e noroeste da Argentina, M.
CAMARGO, João M. F.   +1 more
core   +2 more sources

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