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Isabel Alves-dos-Santos
University of São Paulo
71Publications
15H-index
886Citations
Publications 72
Newest
#1William de Oliveira Sabino (USP: University of São Paulo)H-Index: 3
#2Isabel Alves-dos-Santos (USP: University of São Paulo)H-Index: 15
Last.Cláudia Inês da Silva (USP: University of São Paulo)H-Index: 11
view all 7 authors...
We describe the nesting biology of Centris (Paracentris) burgdorfi, a solitary bee that nests in sandstone in northeastern Brazil. The nest consists of a shallow tunnel with access to the brood cel...
Source
#1Guaraci Duran Cordeiro (USP: University of São Paulo)H-Index: 6
#2Samuel Boff (USP: University of São Paulo)H-Index: 7
Last.Isabel Alves-dos-Santos (USP: University of São Paulo)H-Index: 15
view all 3 authors...
The solitary bees that use preexisting cavities can be captured in trap-nests allowing to collect data on nesting biology and associated organisms. This man-made trap-nest facilitates the understanding of environmental components and landscape composition in the fauna of solitary bees. Here, we aimed to increase the knowledge about trap-nesting bee species from four protected areas Atlantic Forest in southeastern Brazil and to test how abiotic local environmental components (temperature and rain...
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#1Elder Antônio Sousa Paiva (UFMG: Universidade Federal de Minas Gerais)H-Index: 19
#2Stefan Dötterl (University of Salzburg)H-Index: 31
Last.Denise Maria Trombert Oliveira (UFMG: Universidade Federal de Minas Gerais)H-Index: 17
view all 10 authors...
Caryocar brasiliense is a flagship species of the Brazilian Cerrado. It produces flowers with a strong peculiar scent, which are pollinated by bats and occasionally moths with short mouthparts. However, the cues responsible for attracting these nocturnal pollinators remain unknown. We aimed to identify osmophores of C. brasiliense, describe the ultrastructure of the cells involved in the synthesis and release of floral odour, and identify the constituents of the floral bouquet. We performed fiel...
1 CitationsSource
#1Guaraci Duran Cordeiro (USP: University of São Paulo)H-Index: 6
#2Isabelle Guimarães Fernandes dos Santos (USP: University of São Paulo)
Last.Stefan Dötterl (University of Salzburg)H-Index: 31
view all 6 authors...
Abstract Communication between plants and nocturnal pollinators in low light conditions is mainly guided by floral scents, which is well documented for plants pollinated by bats, moths, and beetles. Just recently, nocturnal bees have been added to the list of pollinators known to respond to floral scents of their host plants. Little is known about the floral scent chemistry of plants visited and pollinated by nocturnal bees. Among these plants are economically important fruit crops of the family...
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#1Liedson Tavares Carneiro (USP: University of São Paulo)H-Index: 2
Last.Isabel Alves-dos-Santos (USP: University of São Paulo)H-Index: 15
view all 4 authors...
Oil-producing flowers have evolved specialized traits along with the ability to secrete oil as reward, leading to the expectation of a narrow relationship between floral architecture and oil-collecting behaviours of pollinators. Krameriaceae flowers have a showy calyx and a less conspicuous dimorphic corolla modified into a pair of elaiophores that secrete the oil, and a group of petaloid petals that, among oil-collecting bees, are used by only Centris (Centridini) during the oil gathering. A ma...
1 CitationsSource
#1William de Oliveira Sabino (USP: University of São Paulo)H-Index: 3
#2Isabel Alves-dos-Santos (USP: University of São Paulo)H-Index: 15
Last.Cláudia Inês da Silva (USP: University of São Paulo)H-Index: 11
view all 3 authors...
Centris species collect floral oil and use this resource in larval food and for waterproofing their cells. We investigated the trophic niche of three distinct populations of Centris burgdorfi, a widely distributed bee in Brazil, by using pollen collected from female bees. Our goal was to determine whether there is versatility regarding sources of oil, nectar, and pollen in different regions of Brazil. By using the pollen, we also determined whether the source of oil used corresponded to the coll...
2 CitationsSource
#1Estefane Siqueira (UFMG: Universidade Federal de Minas Gerais)H-Index: 1
#2Reisla OliveiraH-Index: 6
Last.Clemens Schlindwein (UFMG: Universidade Federal de Minas Gerais)H-Index: 21
view all 7 authors...
With plants whose flowers open at night and stay open during the day, nocturnal pollinators may exploit floral resources before diurnal competitors. Moths, bats, and beetles are the most familiar nocturnal pollinators, whereas nocturnal bees as pollinators remain poorly understood. The common Cerrado tree Machaerium opacum (Fabaceae) has white and strongly scented melittophilous flowers, which first open at the night and remain open during the day and, thus, have the potential to be visited by b...
1 CitationsSource
#1Sebastian Koethe (HHU: University of Düsseldorf)H-Index: 2
#2Sarah Banysch (HHU: University of Düsseldorf)
Last.Klaus Lunau (HHU: University of Düsseldorf)H-Index: 26
view all 4 authors...
Bees use floral colour as a major long distance orientation cue. While it is known for bumblebees and honeybees that dominant wavelength (≙ colour hue), colour contrast and spectral purity (≙ saturation) are crucial for flower detection and discrimination, only little is known about colour preferences in stingless bees (Meliponini). In this experiment freely flying workers of two Brazilian species of stingless bees–Partamona helleri and Melipona bicolor–were tested for colour preferences concern...
Source
#1Cristiane Krug (Empresa Brasileira de Pesquisa Agropecuária)H-Index: 2
#2Guaraci Duran Cordeiro (USP: University of São Paulo)H-Index: 6
Last.Isabel Alves-dos-Santos (USP: University of São Paulo)H-Index: 15
view all 8 authors...
Floral scent is an important component of the trait repertoire flowering plants use to attract and manipulate pollinators. Despite recent advances during the last decades about the chemicals released by flowers, there is still a large gap in our understanding of chemical communication between flowering plants and their pollinators. We analyzed floral scents of guarana (Paullinia cupana, Sapindaceae), an economically important plant of the Amazon, using chemical analytical approaches, and determi...
1 CitationsSource
3 CitationsSource
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