Nocturnal pollination of Parkia velutina by Megalopta bees in Amazonia and its possible significance in the evolution of chiropterophily

Canopy observations of the rain forest tree Parkia velutina (Leguminosae: Mimosoideae) in Amazonian Brazil indicate that it is pollinated by night-flying bees. The small red flowers are organized into spherical heads; they open in the late afternoon and attract Megalopta bees (Halictidae: Augochlori...

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Veröffentlicht in:Journal of tropical ecology 2000-09, Vol.16 (5), p.733-746
Hauptverfasser: Hopkins, M. J. G., Hopkins, H. C. Fortune, Sothers, C. A.
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creator Hopkins, M. J. G.
Hopkins, H. C. Fortune
Sothers, C. A.
description Canopy observations of the rain forest tree Parkia velutina (Leguminosae: Mimosoideae) in Amazonian Brazil indicate that it is pollinated by night-flying bees. The small red flowers are organized into spherical heads; they open in the late afternoon and attract Megalopta bees (Halictidae: Augochlorini) which forage for pollen after dark. In contrast to the numerous bat-pollinated species of Parkia, no nectar was detected. Nocturnal melittophily is proposed as a possible intermediate stage in the evolution of chiropterophily from diurnal entomophily in Parkia.
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Ecol</addtitle><date>2000-09-01</date><risdate>2000</risdate><volume>16</volume><issue>5</issue><spage>733</spage><epage>746</epage><pages>733-746</pages><issn>0266-4674</issn><eissn>1469-7831</eissn><coden>JTECEQ</coden><abstract>Canopy observations of the rain forest tree Parkia velutina (Leguminosae: Mimosoideae) in Amazonian Brazil indicate that it is pollinated by night-flying bees. The small red flowers are organized into spherical heads; they open in the late afternoon and attract Megalopta bees (Halictidae: Augochlorini) which forage for pollen after dark. In contrast to the numerous bat-pollinated species of Parkia, no nectar was detected. Nocturnal melittophily is proposed as a possible intermediate stage in the evolution of chiropterophily from diurnal entomophily in Parkia.</abstract><cop>Cambridge</cop><pub>Cambridge University Press</pub><doi>10.1017/S0266467400001681</doi><tpages>14</tpages></addata></record>
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source JSTOR Archive Collection A-Z Listing; Cambridge University Press Journals Complete
subjects Amazonia
Animal and plant ecology
Animal, plant and microbial ecology
Anthers
Augochlorini
Autoecology
bat-pollination
Bats
bee-pollination
Bees
Biological and medical sciences
Evolution
Fundamental and applied biological sciences. Psychology
Halictidae
Inflorescences
Insect pollination
Insect vectors
Leguminosae
Megalopta
melittophily
Nectar
nocturnal pollination
Parkia
Parkia velutina
Plant cytology, morphology, systematics, chorology and evolution
Plant evolution
Plants and fungi
Pollen
Pollination
title Nocturnal pollination of Parkia velutina by Megalopta bees in Amazonia and its possible significance in the evolution of chiropterophily
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