Three species of native Thai honey bees exploit overlapping pollen resources: identification of bee flora from pollen loads and midguts from<i>Apis cerana, A. dorsata</i>and<i>A. florea</i>

Suwannapong, Guntima; Maksong, Samrit; Yemor, Tanawat; Junsuri, Natchanan; Benbow, M. Eric

doi:10.3896/ibra.1.52.5.05

Cited by 12 publications

(8 citation statements)

References 6 publications

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“…For size reference, the average ITD of A. mellifera can range between 2.93 and 3.07 mm (Kolmes & Sam, 1991; Santos & Serrão, 2006). All three Apis species are polylectic and forage on diverse plant species (Suwannapong et al ., 2013; Stewart et al ., 2018). While it is possible that some of the bee‐visited plant species are not actually pollinated by bees, we were still interested in the precision of pollen placement on bee visitors, since bilateral symmetry, corolla fusion and horizontal orientation are expected to constrain the movement of all floral visitors to some extent, not just actual pollinators, and flowers with fewer stamens are expected to have fewer opportunities to contact multiple areas of a floral visitor’s body.…”

Section: Methodsmentioning

confidence: 99%

Pollination‐precision hypothesis: support from native honey bees and nectar bats

et al. 2022

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The evolution of floral traits is often considered to reflect selection for increased pollination efficiency. Known as the pollination-precision hypothesis, increased pollination efficiency is achieved by enhancing pollen deposition on precise areas of the pollinator. Most research to date addressing this hypothesis has examined plant species that are a priori predicted to place pollen precisely, but we still lack comparisons with species predicted to have low pollination efficiency.We studied 39 plant species with diverse floral morphologies and measured the precision of pollen placement on two pollinator groups: honey bees (genus Apis) and nectar bats (family Pteropodidae). Pollen was collected from four locations of each pollinator's body (bees: dorsal thorax, ventral thorax, dorsal abdomen, ventral abdomen; bats: crown, face, chest, wing) to calculate pollen placement precision using Pielou's evenness index. We also quantified variation in floral design by scoring floral symmetry, corolla fusion, floral orientation and stamen number.We confirm the importance of four floral character states (bilateral symmetry, fused corollas, horizontal orientation and reduced stamen number) in promoting precise pollen placement on diverse pollinators.Our findings provide phylogenetically corrected, empirical support that the evolution of the four floral characters reflect selection for enhanced precision of pollen placed on pollinators.

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Section: Methodsmentioning

confidence: 99%

Pollination‐precision hypothesis: support from native honey bees and nectar bats

et al. 2022

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“…Based on the size category, pollen was found ranging in size from very small to very large. Suwannapong et al (2013) identified pollen from the A. cerana midgut recorded as many as 25 species in Northern Thailand. They found that the favored pollen source plant of A. cerana was Mimosa pudica.…”

Section: Resultsmentioning

confidence: 99%

Short Communication: Floral diversity of honey bee-collected pollen (Apis cerana) colonies in the Ir. H. Djuanda Forest Park, West Java, Indonesia

Nuriyah

Husodo²,

Hermawan³

et al. 2021

Nusantara Biosci

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Abstract. Nuriyah S, Husodo T, Hermawan W, Yusuf AA, Kasmara H, Kusmoro J, Wulandari I, Shanida SS. 2021. Short Communication: Floral diversity of honey bee-collected pollen (Apis cerana) colonies in the Ir. H. Djuanda Forest Park, West Jawa, Indonesia. Nusantara Bioscience 13: 185-193. Honey bees, especially Apis cerana Fabr., need feed sources from nectar and pollen. Pollen is essential for sexual reproduction. Various plants in the forest park have not been supported by information on pollinated plants or as feed sources by A. cerana. This study should be conducted as essential information to reveal the pollens as feed sources of A. cerana in the Ir. H. Djuanda Forest Park, West Java. However, there is little information about those plants in the forest park, West Java. This study aimed to reveal the pollens as feed sources of A. cerana in the Ir. H. Djuanda Forest Park. Sampling collection was carried out on 45 honey bee-collected pollen from three cultivation areas. Pollen preparation was carried out using the acetolysis method. Based on the study results, 70 species of pollen flora of 36 families were found in Ir. H. Djuanda Forest Park vegetation also found in the A. cerana. However, further study is needed regarding the frequently visited plants used as feed sources or pollinating by A. cerana. In addition, considering that the honey bees cultivated in the forest park are dominated by A. cerana, further studies are needed on regularly pollinated plants to maximize the yield of honey cultivation.

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“…[ 78 ] in northern Thailand. Moreover, this parasite has been detected in A. cerana , A. florea, and the non-native A. mellifera in central Thailand [ 79 ]. Our results also showed that N. ceranae was detected in A. cerana samples from Chiang Mai, Chumphon, and Samui Island, but not in those collected from the northeast region.…”

Section: Discussionmentioning

confidence: 99%

Preliminary Survey of Pathogens in the Asian Honey Bee (Apis cerana) in Thailand

Phokasem

Sinpoo

Attasopa

et al. 2023

Life

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Widespread parasites, along with emerging threats, globalization, and climate change, have greatly affected honey bees’ health, leading to colony losses worldwide. In this study, we investigated the detection of biotic stressors (i.e., viruses, microsporidian, bacteria, and fungi) in Apis cerana by surveying the colonies across different regions of Thailand (Chiang Mai in the north, Nong Khai and Khon Kaen in the northeast, and Chumphon and Surat Thani in the south, in addition to the Samui and Pha-ngan islands). In this study, we detected ABPV, BQCV, LSV, and Nosema ceranae in A. cerana samples through RT-PCR. ABPV was only detected from the samples of Chiang Mai, whereas we found BQCV only in those from Chumphon. LSV was detected only in the samples from the Samui and Pha-ngan islands, where historically no managed bees are known. Nosema ceranae was found in all of the regions except for Nong Khai and Khon Kaen in northeastern Thailand. Paenibacillus larvae and Ascosphaera apis were not detected in any of the A. cerana samples in this survey. The phylogenetic tree analysis of the pathogens provided insights into the pathogens’ movements and their distribution ranges across different landscapes, indicating the flow of pathogens among the honey bees. Here, we describe the presence of emerging pathogens in the Asian honey bee as a valuable step in our understanding of these pathogens in terms of the decline in eastern honey bee populations.

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Three species of native Thai honey bees exploit overlapping pollen resources: identification of bee flora from pollen loads and midguts fromApis cerana, A. dorsataandA. florea

Cited by 12 publications

References 6 publications

Pollination‐precision hypothesis: support from native honey bees and nectar bats

Pollination‐precision hypothesis: support from native honey bees and nectar bats

Short Communication: Floral diversity of honey bee-collected pollen (Apis cerana) colonies in the Ir. H. Djuanda Forest Park, West Java, Indonesia

Preliminary Survey of Pathogens in the Asian Honey Bee (Apis cerana) in Thailand

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