Results 241 to 250 of about 26,918 (269)
Some of the next articles are maybe not open access.
Krameria, free fatty acids and oil-collecting bees
Nature, 1977Vogel's report of the production of glycerides rather than nectar as rewards gathered by bees described an association involving several genera of insects and numerous plant families. We report here that members of the Krameriaceae produce floral lips more unusual than those described by Vogel.
Beryl B Simpson
exaly +3 more sources
Pollination of Basistemon (Scrophulariaceae) by oil-collecting bees in Argentina
Flora: Morphology, Distribution, Functional Ecology of Plants, 1995Summary The flowers of Basistemon spinosus, a Neotropic shrubby member of the tribe Hemimerideae, were found to secrete fatty oil as an attractant. The pollinators, oil-collecting bees of the exomalopsine genus Paratetrapedia, were observed in the Chaco forest of northern Argentina. In contrast to related genera, the carpet of Oil-producing glandular
Stefan Vogel
exaly +2 more sources
Molecular Phylogenetics and Evolution, 2014
The economically most important group of bees is the "corbiculates", or pollen basket bees, some 890 species of honeybees (Apis), bumblebees (Bombus), stingless bees (Meliponini), and orchid bees (Euglossini). Molecular studies have indicated that the corbiculates are closest to the New World genera Centris, with 230 species, and Epicharis, with 35 ...
Aline C Martins, Susanne S Renner
exaly +3 more sources
The economically most important group of bees is the "corbiculates", or pollen basket bees, some 890 species of honeybees (Apis), bumblebees (Bombus), stingless bees (Meliponini), and orchid bees (Euglossini). Molecular studies have indicated that the corbiculates are closest to the New World genera Centris, with 230 species, and Epicharis, with 35 ...
Aline C Martins, Susanne S Renner
exaly +3 more sources
Vogel’s great legacy: The oil flower and oil-collecting bee syndrome
Flora: Morphology, Distribution, Functional Ecology of Plants, 2017Ranking with the great 18th and 19th century botanists, Kolreuter, Sprengel, and Muller, Stefan Vogel was the 20th century plant biologist who discovered and explored an entirely new pollination syndrome – oil flowers and oil-collecting bees. His work inspired us to work on oil flowers and their associated bees in regions he did not visit.
Beryl B Simpson
exaly +2 more sources
The Diascia (Scrophulariaceae) window: an orientation cue for oil-collecting bees
Botanical Journal of the Linnean Society, 1990The Diascia (Scrophulariaceae) window: an orientation cue for oil-collecting beeS. Flowers of Diascia section Racemosae are characterized by an unusual translucent ‘window’ at the base of the upper corolla lip which is bright yellow with maroon flecks and varies from a nearly flat to a deeply cone-shaped depression.
exaly +2 more sources
Plant Systematics and Evolution, 1991
The manner whereby the oil-producing bisaccate flowers ofAngelonia (Scrophulariaceae) are pollinated by female oil-collecting bees is reported for the first time. Observations were made in the Caatinga formation of Pernambuco, NE. Brazil, on four synchronopatric species.
Stefan Vogel, Isabel Cristina Machado
exaly +2 more sources
The manner whereby the oil-producing bisaccate flowers ofAngelonia (Scrophulariaceae) are pollinated by female oil-collecting bees is reported for the first time. Observations were made in the Caatinga formation of Pernambuco, NE. Brazil, on four synchronopatric species.
Stefan Vogel, Isabel Cristina Machado
exaly +2 more sources
Arthropod-Plant Interactions, 2021
Pollination interactions between plants bearing oil-flowers and oil-collecting bees are regarded as specialized, and within the major group of bees, oil-collecting bees are considered a special functional group of pollinators, yet they encompass a great diversity, not only at taxonomic level but also in morphological and behavioral aspects.
Constanza C Maubecin, Andrea A Cocucci
exaly +3 more sources
Pollination interactions between plants bearing oil-flowers and oil-collecting bees are regarded as specialized, and within the major group of bees, oil-collecting bees are considered a special functional group of pollinators, yet they encompass a great diversity, not only at taxonomic level but also in morphological and behavioral aspects.
Constanza C Maubecin, Andrea A Cocucci
exaly +3 more sources
Journal of Natural History, 2014
We identified the food niche breadth of two sympatric species of oil-collecting bees, Centris (Heterocentris) analis (Fabricius, 1804) and Centris (Hemisiella) tarsata Smith, 1874, based on pollen analyses of larval food. We tested differences in the use of pollen sources considering the anther type and pollen size of the flowers. The species presented
Solange Augusto
exaly +2 more sources
We identified the food niche breadth of two sympatric species of oil-collecting bees, Centris (Heterocentris) analis (Fabricius, 1804) and Centris (Hemisiella) tarsata Smith, 1874, based on pollen analyses of larval food. We tested differences in the use of pollen sources considering the anther type and pollen size of the flowers. The species presented
Solange Augusto
exaly +2 more sources
Phytochemistry
The evolution of flowers that offer oils as rewards and are pollinated by specialized bees represents a distinctive theme in plant-pollinator co-diversification. Some plants that offer acetylated glycerols as floral oils emit diacetin, a volatile by-product of oil metabolism, which is utilized by oil-collecting bees as an index signal for the presence ...
Maria Sol Balbuena +2 more
exaly +3 more sources
The evolution of flowers that offer oils as rewards and are pollinated by specialized bees represents a distinctive theme in plant-pollinator co-diversification. Some plants that offer acetylated glycerols as floral oils emit diacetin, a volatile by-product of oil metabolism, which is utilized by oil-collecting bees as an index signal for the presence ...
Maria Sol Balbuena +2 more
exaly +3 more sources