Pollen Feeding
Mostrando 1-12 de 22 artigos, teses e dissertações.
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1. Pollination biology of the endangered columnar cactus Cipocereus crassisepalus: a case of close relationship between plant and pollinator
ABSTRACT The family Cactaceae possesses considerable floral diversity and is exclusively zoophilic. Cipocereus crassisepalus is an endangered species of columnar cactus, whose floral characteristics fit the chiropterophily syndrome. This study aimed to assess the correspondence between floral traits and pollinators and whether the pollination system of C. cr
Acta Bot. Bras.. Publicado em: 2020-03
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2. Phoretic mites (Rhinoseius spp.) in Apodiformes from Cerrado and Pantanal Biomes in midwestern Brazil
Resumo Os ácaros nasais são comumente encontrados em beija-flores (Apodiformes). Na maioria dos casos, os ácaros foram relatados como endoparasitas, parasitando o sistema respiratório, particularmente as câmaras nasais anteriores, a laringe, a traqueia, os pulmões e os sacos aéreos e conjuntivais. No entanto, alguns ácaros são transportados apenas p
Braz. J. Biol.. Publicado em: 09/12/2019
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3. Trade off between quantity and size of pollen grains in the heterandrous flowers of Senna pendula (Fabaceae)
ABSTRACT Heteranthery, the presence of different types of stamens in a flower, may reduce the conflict between pollinators and plants by ensuring the resource for the pollinator without drastically affecting the availability of viable male gametes for fertilization, according to the division-of-labor hypothesis. We investigated whether the poricidal anthers
Acta Bot. Bras.. Publicado em: 30/07/2018
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4. Anther specializations related to the division of labor in Microlicia cordata (Spreng.) Cham. (Melastomataceae)
ABSTRACT In heterantherous flowers, some anthers have an attraction and feeding function, while others are related to plant reproduction. Microlicia cordata has dimorphic stamens organized in two cycles: the antesepalous one with large stamens and pink anthers, and the antepetalous one with small stamens and yellow anthers. Division of labor was analyzed usi
Acta Bot. Bras.. Publicado em: 19/03/2018
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5. The effect of Agaricus brasiliensis extract supplementation on honey bee colonies
ABSTRACT This study was done to discover any beneficial effect of a medicinal mushroom Agaricus brasiliensis extract on the honey bee. Firstly, a laboratory experiment was conducted on 640 bees reared in 32 single-use plastic rearing cups. A. brasiliensis extract proved safe in all doses tested (50, 100 and 150 mg/kg/day) irrespective of feeding mode (sugar
An. Acad. Bras. Ciênc.. Publicado em: 01/02/2018
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6. Effects of Food Deprivation on the Development of Coleomegilla maculata (De Geer) (Coleoptera: Coccinellidae)
The lady beetle Coleomegilla maculata (De Geer) is a natural enemy of several insect pests and feeds on pollen and nectar to survive periods when prey is scarce. The effect of the feeding interval on the development, survival, fecundity, and longevity of C. maculata was determined. Newly hatched larvae of C. maculata were reared individually and fed with egg
Neotropical Entomology. Publicado em: 2011-02
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7. Alternative food sources and overwintering feeding behavior of the boll weevil, Anthonomus grandis boheman (coleoptera: curculionidae) underthe tropical conditions of central Brazil
The boll weevil causes serious damage to the cotton crop in South America. Several studies have been published on this pest, but its phenology and behavior under the tropical conditions prevailing in Brazil are not well-known. In this study the feeding behavior and main food sources of adult boll weevils throughout the year in Central Brazil was investigated
Neotropical Entomology. Publicado em: 2010-02
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8. Estrutura floral das angiospermas usadas por Heliconius erato phyllis (Lepidoptera, Nymphalidae no Rio Grande do Sul, Brasil / Flower structure of angiosperns used byheliconius erato Phyllis(Lepidoptera, nymphalidae in Rio Grande do Sul state, Brazil
A field survey of flowering plants used as food resource by the adults of Heliconius erato phyllis (Fabricius, 1775) was carried out in four sites located in Rio Grande do Sul state, Brazil. Samples were taken in preserved areas of the Atlantic Rain and Myrtaceae forests, an Eucalyptus plantation, and an urban park. Adult feeding frequencies on flowers were
Publicado em: 2010
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9. Flora de manutenÃÃo para apis mellifera no municÃpio de Paramoti-CearÃ-Brasil / Flora of mellifera maintenance for apis in the city of Paramoti-CearÃ-Brazil
The experiment was conducted at the Rosa dos Ventos farm, on the county of Paramoti - Cearà - Brazil. from july to december 2008, with the aim of indenitfying botanic species of the caatinga wich are important as feeding sources for the maintenance of Apis mellifera colonies in the county of Paramoti - CE. Have been choosen, randomly, fifteen colonies of af
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/08/2009
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10. Distribuição e disponibilidade de recursos florais e estratégias de forrageamento na interação entre beija-flores e Palicourea rígida (Rubiaceae)
Some pollination mechanisms represent mutualistics interactions, in which the plants offer nectar and pollen and the pollinators carry the pollen grains. The hummingbirds are the more specialized pollinators among the birds, and their high energetic cost to fly, force them to develop feeding strategies to obtain the highest energetic gains with the lowest co
Publicado em: 2009
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11. Energetic and protein diet for adults of Apis mellifera Linnaeus 1758 (Hymenoptera: Apidae). / Dietas energÃticas e protÃicas para adultos de Apis mellifera Linnaeus, 1758 (Hymenoptera: Apidae)
The diet fed to adults of Apis mellifera in confinement is a relevant factor in the survival of these insects. In times of nectar shortage, a feeding supplementation with a solution of hydrolyzed sucrose through acid and heating can be given to the hive; citric acid found in lemon juice could be used. In this research, the survival of these confined insects
Publicado em: 2008
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12. Anatomical, cytogenetical and palinological aspects of Solanum species / Aspectos anatÃmicos, citogenÃticos e palinolÃgicos de espÃcies de Solanum
The genus Solanum is considered the most complex of the Solanaceae family, presents great phenotipic variation. It possesses important economic crops such as potato, eggplant and scarlet eggplant used in the human feeding and tropical soda apple, important weed species that causes damage to commercial crops. The purpose of this work was to characterize two c
Publicado em: 2008