Efficient use of pollen traps to determine the pollen flora used by honey bees

Dimou, Maria; Thrasyvoulou, Andreas; Tsirakoglou, V.

doi:10.1080/00218839.2006.11101312

Cited by 33 publications

(28 citation statements)

References 25 publications

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“…The difference in the total amount of olea pollen that was collected by the honeybees between the 2 years is likely to be caused by the phenomenon of the biannual bearing of olive trees which influences the year-to-year pollen flow (Monselise and Goldschmidt, 1982). Similar observations had also been reported in a previous study in the area (Dimou et al, 2006). Airborne pollen is due mainly to anemophilous plants, while entomophilous pollen is found in small percentages (Kasprzyk, 2004).…”

Section: Discussionsupporting

confidence: 83%

“…Although honeybees collect pollen from a relative small number of taxa compared to the number of plants growing around the colony, they usually prefer to collect pollen from plants that are in large populations (Severson and Parry, 1981;Coffey and Breen, 1997;Andrada and Telleria, 2005;Dimou and Thrasyvoulou, 2007;Avni et al, 2009). Also, their preferences are constant throughout the years and depend mainly on the meteorological factors (Severson and Parry, 1981;Andrada and Telleria, 2005;Dimou et al, 2006;Dimou and Thrasyvoulou, 2007;de Novais et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

“…According to Dimou et al (2006), even a small number of colonies can give sufficient information about a taxon when it appears in large populations and the annual pollen collection from this taxon exceeds 1% of the total pollen that the colony collects. The difference in the total amount of olea pollen that was collected by the honeybees between the 2 years is likely to be caused by the phenomenon of the biannual bearing of olive trees which influences the year-to-year pollen flow (Monselise and Goldschmidt, 1982).…”

Section: Discussionmentioning

confidence: 99%

“…The whole amount of pollen was collected daily, cleaned of debris by hand, dried and weighed. Then, 10% of the total amount of each trap was sampled and the pollen loads were separated according to their colour (Dimou et al, 2006). At least two representative pellets of each colour fraction were mounded in glycerine jelly without acetolysis in order to identify the botanical origin of each colour.…”

Section: Honeybee Pollen Collectionmentioning

confidence: 99%

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Comparison of phenological, aerobiological and melissopalynological patterns of Olea europaea

Dimou

2011

Apidologie

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-In the last few years, many studies have used airborne pollen to record the flowering season of plants. However, the airborne pollen found in traps does not always originate from or reflect the flowering period of the taxa from the studied surroundings. This study compared aerobiological, melissopalynological and flowering phenological data obtained from olive trees. The results of the study suggest that pollen loads collected by honeybees can be used as an alternative method to airborne pollen to record the flowering phenological phases and to provide accurate results.aerobiology / melissopalynology / phenology / pollen season / pollen loads / Apis mellifera

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Section: Discussionsupporting

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Honeybee Pollen Collectionmentioning

confidence: 99%

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Comparison of phenological, aerobiological and melissopalynological patterns of Olea europaea

Dimou

2011

Apidologie

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“…We thoroughly mixed 10% of the pollen loads of the initial trapped amount and then diluted it in distilled water (1:10) (Dimou et al, 2006). The pollen grains of 50 μL of the solution were analysed as mentioned above, counting on average 645 ± 228 (mean ± sd) pollen grains per slide.…”

Section: Methodsmentioning

confidence: 99%

Pollen analysis of honeybee rectum as a method to record the bee pollen flora of an area

Dimou¹,

Thrasyvoulou²

2009

Apidologie

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-Pollen is very important for the bees' nutrition and it is necessary for their survival and reproduction. In this work we studied the possibility of recording the pollen flora of an area by examining the pollen content of the rectum of honeybees (Apis mellifera L.) and comparing the results to these coming from pollen traps. We concluded that the pollen analysis of the rectum of honeybees could be used as a fast screening method of the bee flora of an area. However, for quantitative results, additional methods such as pollen pellet analysis should be applied.Apis mellifera / nurse bees / pollen consumption / melissopalynology

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Honey bee‐collected pollen in agro‐ecosystems reveals diet diversity, diet quality, and pesticide exposure

Colwell

Williams

Evans

et al. 2017

Ecology and Evolution

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European honey bees Apis mellifera are important commercial pollinators that have suffered greater than normal overwintering losses since 2007 in North America and Europe. Contributing factors likely include a combination of parasites, pesticides, and poor nutrition. We examined diet diversity, diet nutritional quality, and pesticides in honey bee‐collected pollen from commercial colonies in the Canadian Maritime Provinces in spring and summer 2011. We sampled pollen collected by honey bees at colonies in four site types: apple orchards, blueberry fields, cranberry bogs, and fallow fields. Proportion of honey bee‐collected pollen from crop versus noncrop flowers was high in apple, very low in blueberry, and low in cranberry sites. Pollen nutritional value tended to be relatively good from apple and cranberry sites and poor from blueberry and fallow sites. Floral surveys ranked, from highest to lowest in diversity, fallow, cranberry, apple, and blueberry sites. Pesticide diversity in honey bee‐collected pollen was high from apple and blueberry sites and low from cranberry and fallow sites. Four different neonicotinoid pesticides were detected, but neither these nor any other pesticides were at or above LD50 levels. Pollen hazard quotients were highest in apple and blueberry sites and lowest in fallow sites. Pollen hazard quotients were also negatively correlated with the number of flower taxa detected in surveys. Results reveal differences among site types in diet diversity, diet quality, and pesticide exposure that are informative for improving honey bee and land agro‐ecosystem management.

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Efficient use of pollen traps to determine the pollen flora used by honey bees

Cited by 33 publications

References 25 publications

Comparison of phenological, aerobiological and melissopalynological patterns of Olea europaea

Comparison of phenological, aerobiological and melissopalynological patterns of Olea europaea

Pollen analysis of honeybee rectum as a method to record the bee pollen flora of an area

Honey bee‐collected pollen in agro‐ecosystems reveals diet diversity, diet quality, and pesticide exposure

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