Results 21 to 30 of about 158 (107)
Environmental Pollution, 2022 Solitary bees present greater species diversity than social bees. However, they are less studied than managed bees, mainly regarding the harmful effects of pesticides present in agroecosystems commonly visited by them. This study aimed to evaluate the effect of residual doses of imidacloprid and pyraclostrobin, alone and in combination, on the fat body
Josimere Conceição de Assis +6 more
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Trap-nesting Bees Communities from Protected Areas of Atlantic Forest, Southeastern Brazil
Sociobiology, 2019 The solitary bees that use preexisting cavities can be captured in trap-nests allowing to collect data on nesting biology and associated organisms.
Guaraci Cordeiro +2 more
doaj +1 more source
Psyche: A Journal of Entomology, Volume 2019, Issue 1, 2019., 2019 Eastern Amazonia is an area with great biological diversity that has suffered rapid deforestation and forest fragmentation over the years. Because of the scarcity of data on the fauna and flora, the northwest of the state of Maranhão has become a priority area for studies that seek to gain a better understanding of bee fauna.
Luciano André Chaves Ferreira +4 more
wiley +1 more source
Journal of Marine Sciences, Volume 2015, Issue 1, 2015., 2015 The composition of periphyton community on water hyacinth was investigated at Ejirin, part of Epe Lagoon, in relation to environmental characteristics from December 2012 to May 2013. A total of 14,536 individuals of 104 species belonging to five divisions were identified, with Bacillariophyta (82.69%), Cyanobacteria (10.43%), Chlorophyta (5.63%), and ...
A. I. Inyang +3 more
wiley +1 more source
Unveiling the trap-nesting bees and wasps’ fauna (Hymenoptera: Apocrita) and associated organisms of the Jardim Botânico do Rio de Janeiro, Brazil [PDF]
Papéis Avulsos de ZoologiaUrban areas, as cities, are frequently overlooked as refuges for the native fauna. However, these places may support several species and house relevant biodiversity contributing to important ecosystemic functions.
Diego Marinho, Felipe Vivallo
doaj +2 more sources
Generalist Bee Species on Brazilian Bee‐Plant Interaction Networks
Psyche: A Journal of Entomology, Volume 2012, Issue 1, 2012., 2012 Determining bee and plant interactions has an important role on understanding general biology of bee species as well as the potential pollinating relationship between them. Bee surveys have been conducted in Brazil since the end of the 1960s. Most of them applied standardized methods and had identified the plant species where the bees were collected ...
Astrid de Matos Peixoto Kleinert +2 more
wiley +1 more source
Water quality assessment in a shallow lake used for tourism
Limnological Review, 2015 The routine evaluation of water quality is limited to lakes with the largest area. In Poland, only lakes with an area exceeding 50 hectares are monitored by the State Environmental Monitoring System.
Dembowska Ewa A., Pul Patrycja L.
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Tetrapedia australis (Apidae: Tetrapediini),
Lundiana: International Journal of BiodiversityIn this contribution, male and female of the new species of oil-collecting bees Tetrapedia australis are described. Individuals reared from trap nests allowed the correct association of the sexes. The range of distribution of this new species considerably extends the known southern limits of distribution of the genus.
Juan P. Torretta, Arturo Roig-Alsina
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Interaction between Bees and the Tristylous Flowers of Oxalis cytisoides Mart. & Zucc. (Oxalidaceae)
Psyche: A Journal of Entomology, Volume 2012, Issue 1, 2012., 2012 The interaction of bees with the tristylous flowers of Oxalis cytisoides Mart. & Zucc. (Oxalidaceae) was evaluated. The study was conducted in a semideciduous forest at the Fritz Plaumann State Park in Concórdia, Santa Catarina state. Two Oxalis cytisoides aggregations were found and the flower visiting bees were observed.
Cristiane Krug +3 more
wiley +1 more source
Ecological Research, Volume 39, Issue 1, Page 97-111, January 2024.Our manuscript applies the phytoplankton functional group (FG) classification sensu Reynolds, which enables to assess the ecological status of rivers, known as the Q(r) compositional index. Despite of its widespread application, it has never been applied to historical data.
Olena Bilous +4 more
wiley +1 more source