The ecology of solitary bees

Linsley, E Gorton

doi:10.3733/hilg.v27n19p543

Cited by 279 publications

(205 citation statements)

References 118 publications

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“…Grãos Em geral as abelhas têm maior especificidade em relação à coleta de pólen do que de néctar, podendo ser poliléticas (generalistas) ou oligoléticas, quando restringem suas coletas de pólen a uma ou poucas espécies de plantas relacionadas (Linsley 1958). Os resultados deste trabalho demonstram que as abelhas visitantes de Byrsonima chrysophylla não misturaram os recursos polínicos durante o vôo para a coleta de pólen, apresentando fidelidade às flores desta espécie de Malpighiaceae, o que, segundo Alves dos Santos (1998), é uma das características de polinizadores efetivos.…”

Section: Resultsunclassified

Cargas polínicas de abelhas polinizadoras de Byrsonima chrysophylla Kunth. (Malpighiaceae): fidelidade e fontes alternativas de recursos florais

2008

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RESUMO -(Cargas polínicas de abelhas polinizadoras de Byrsonima chrysophylla Kunth. (Malpighiaceae): fidelidade e fontes alternativas de recursos florais). Byrsonima chrysophylla, conhecida popularmente como murici pitanga, é uma espécie arbustiva que ocorre em restinga. Dentre seus visitantes, além de abelhas da tribo Centridini, também se encontram com freqüência abelhas Xylocopini. Para verificação das espécies vegetais utilizadas pelas abelhas visitantes mais freqüentes, cargas polínicas de suas pernas posteriores (n = 5), bem como de ninhos naturais de Centris caxiensis (n = 7) foram analisados através de acetólise. Durante toda a floração, Byrsonima chrysophylla foi a principal fonte de pólen utilizada por suas abelhas visitantes. Comolia lythrarioides e Myrcia obtusa foram fontes secundárias de pólen, Mouriri guianensis foi fonte secundária de óleo e pólen, enquanto Anacardium microcarpum, Cuphea tenella, Matayba discolor e Phthirusa pyrifolia mostraram-se importantes fontes de néctar durante esse período, sendo o pólen detectado nas amostras, provavelmente aderido ao corpo das abelhas durante a coleta de néctar. Os resultados demonstram que as abelhas visitantes não misturaram os recursos polínicos durante o vôo para a coleta de pólen, apresentando fidelidade às flores de Byrsonima chrysophylla. Palavras-chave: Byrsonima, pólen, Centris, Xylocopa, fidelidade polínica, restingaABSTRACT -(Pollen loads of pollinator bees of Byrsonima chrysophylla Kunth. (Malpighiaceae): fidelity and alternative sources of flower resources). Byrsonima chrysophylla, known as "murici pitanga", is a shrubby species occurring in 'restinga'. Among its visitors, bees of the Centridini tribe as well as Xylocopini bees are frequently found. To detect which plant species have been used by the most frequent visitors, pollen loads from the back legs (n = 5) and also from natural nests of Centris caxiensis (n = 7) were treated by acetolysis. During flowering of Byrsonima chrysophylla, this plant species was the main pollen source used by bees. Comolia lythrarioides and Myrcia sylvatica were secondary pollen sources, Mouriri guianensis was a secondary oil and pollen source, while Anacardium microcarpum, Cuphea tenella, Matayba discolor and Phthirusa pyrifolia were important nectar sources at this time. The pollen detected in the samples probably adhered to the bee's body during nectar collection. The results show that the bee visitors do not mix pollen sources during the pollen-collecting flight, thus representing fidelity to Byrsonima chrysophylla flowers.

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Section: Resultsunclassified

Cargas polínicas de abelhas polinizadoras de Byrsonima chrysophylla Kunth. (Malpighiaceae): fidelidade e fontes alternativas de recursos florais

2008

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“…As a result, differences in timing of appearance are seen even at the family level (Banaszak 1993). The beginning of the flight season of oligotrophic species, which feed on the flowers of related species, coincides with the blooming of these host plants and ends when their blooming is over (Linsley 1958).…”

Section: Discussionmentioning

confidence: 99%

Guidelines on sampling intensity of bees (Hymenoptera: Apoidea: Apiformes)

2014

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Changes in bee fauna, such as the disappearance of certain species or increasing abundance of others, are very important. The common belief that pollinating insects are facing problems also prompts detailed studies of the bee fauna in order to track on-going changes. Assessment of the state of bee communities in particular ecosystems or ecosystem complexes within a landscape, tracing the course of trends in fauna and also predicting their future structures resulting from current changes, are only possible if sampling is carried out at an appropriate frequency, so that representative materials are obtained. The aim of the present study was to determine what sampling intensity during the growing season would enable the collection of representative materials to evaluate species diversity of bees in a study area. Repeated bee sampling at monthly intervals throughout the period of activity of bees resulted in the identification of 73 bee species, corresponding to 51.4 % of the estimated number of bee species in the study area. When samples were obtained twice a month, 93 bee species were captured, accounting for 65.5 % of the estimated number of bee species. When sampling took place nearly four times a month, 108 bee species were captured, making up 76 % of the estimated number of bee species; the materials obtained at this sampling rate may be regarded as representative. The importance of accounting for the phenology of a given animal group during a sampling effort is also emphasised.

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“…88 nid Andrena wilkella (Linsley 1958). At my study site, the honey bee is far the most abundant of these species (Ginsberg 1979 In early summer, honey bees are relatively rare on the old field (Table II).…”

Section: Discussionmentioning

confidence: 94%

“…The impetus for this change came largely from human activities, notably from introductions of foreign species and modifications of the regional flora. Several bee species, most notably the honey bee (Apis mellifera), were introduced into this region (Crane 1975;Linsley 1958). Honey bees can powerfully influence the foraging patterns of native bees (Pearson 1933;Eickwort and Ginsberg 1980).…”

Section: Introductionmentioning

confidence: 99%

Historical Development of Bee ForagingPatterns in Central New York State

Ginsberg

1981

Psyche: A Journal of Entomology

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The ecology of solitary bees

Cited by 279 publications

References 118 publications

Cargas polínicas de abelhas polinizadoras de Byrsonima chrysophylla Kunth. (Malpighiaceae): fidelidade e fontes alternativas de recursos florais

Cargas polínicas de abelhas polinizadoras de Byrsonima chrysophylla Kunth. (Malpighiaceae): fidelidade e fontes alternativas de recursos florais

Guidelines on sampling intensity of bees (Hymenoptera: Apoidea: Apiformes)

Historical Development of Bee ForagingPatterns in Central New York State

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