{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T07:59:06Z","timestamp":1761897546947,"version":"build-2065373602"},"reference-count":81,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2021,5,24]],"date-time":"2021-05-24T00:00:00Z","timestamp":1621814400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["project PTDC\/BIA-BIC\/1013\/2014"],"award-info":[{"award-number":["project PTDC\/BIA-BIC\/1013\/2014"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010978","name":"Wallonie-Bruxelles International","doi-asserted-by":"publisher","award":["World Excellence Fellowships"],"award-info":[{"award-number":["World Excellence Fellowships"]}],"id":[{"id":"10.13039\/501100010978","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Insects"],"abstract":"<jats:p>The study of flower visitor behavior and pollen transport dynamics within and between plants can be of great importance, especially for threatened or rare plant species. In this work, we aim to assess the flower visitor assemblage of the Madeiran endemic Echium candicans and evaluate the performance of the most common visitors through the analysis of their foraging behavior and pollen loads. The flower visitor assemblage of E. candicans is diverse, including several insect groups and the endemic lizard Teira dugesii, but bees are the most common visitors. In general, large bees (Amegilla quadrifasciata, Apis mellifera, and Bombus spp.) had the highest average visitation rates (&gt;18 flowers\/min) and their pollen loads had higher percentages of homospecific pollen (&gt;66%) when compared with butterflies and hoverflies. The honeybee (Apis mellifera) and two bumblebees (Bombus terrestris and B. ruderatus) were the most efficient flower visitors of E. candicans, but their foraging behavior seems to favor geitonogamy. Other visitors, such as butterflies and the small bee Lasioglossum wollastoni, may have a complementary role to the honeybee and bumblebee species, as their high mobility is associated with fewer flower visits on each plant and may promote xenogamy. Two non-native bees (A. mellifera and B. ruderatus) are important flower visitors of E. candicans and may contribute mostly to self-pollination rendering the endemic plant more vulnerable to inbreeding effects.<\/jats:p>","DOI":"10.3390\/insects12060488","type":"journal-article","created":{"date-parts":[[2021,5,24]],"date-time":"2021-05-24T12:38:01Z","timestamp":1621859881000},"page":"488","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Foraging Behavior and Pollen Transport by Flower Visitors of the Madeira Island Endemic Echium candicans"],"prefix":"10.3390","volume":"12","author":[{"given":"Fabiana","family":"Esposito","sequence":"first","affiliation":[{"name":"Centre for Ecology, Evolution and Environmental Changes (cE3c), Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal"}]},{"given":"Ricardo","family":"Costa","sequence":"additional","affiliation":[{"name":"Centre for Ecology, Evolution and Environmental Changes (cE3c), Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal"}]},{"given":"M\u00e1rio","family":"Boieiro","sequence":"additional","affiliation":[{"name":"Centre for Ecology, Evolution and Environmental Changes (cE3c), Azorean Biodiversity Group, University of Azores, 9700-042 Angra do Hero\u00edsmo, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2021,5,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1111\/j.1600-0706.2010.18644.x","article-title":"How many flowering plants are pollinated by animals?","volume":"120","author":"Ollerton","year":"2011","journal-title":"Oikos"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1007\/s11829-013-9246-3","article-title":"The most effective pollinator revisited: Pollen dynamics in a spring flowering herb","volume":"7","author":"Zych","year":"2013","journal-title":"Arthropod. 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