Pollination of Guarianthe skinneri, an ornamental food deception orchid in southern Florida, by the naturalized orchid bee Euglossa viridissima

A Mesoamerican orchid bee Euglossa viridissima, recently naturalized in Florida, is pollinating cultivated plants of Guarianthe skinneri, also native to Mesoamerica. The flowers were found to be self compatible and nectarless. Of 25 bees observed to visit 31 G. skinneri flowers, 18 picked up pollina...

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Bibliographic Details
Author: W. Pemberton, Robert
Format: Article
Status:Published version
Publication date:2007
Country:Costa Rica
Institution:UCR
Repository:Portal de Revistas UCR
Language:English
OAI Identifier:oai:portal.ucr.ac.cr:article/7928
Online Access:https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/7928
Access Level:Open access
Keyword:Orchidaceae
Euglossa
Guarianthe
Florida
food deception pollination
Description
Summary:A Mesoamerican orchid bee Euglossa viridissima, recently naturalized in Florida, is pollinating cultivated plants of Guarianthe skinneri, also native to Mesoamerica. The flowers were found to be self compatible and nectarless. Of 25 bees observed to visit 31 G. skinneri flowers, 18 picked up pollinaria, and 17 of the bees left the plant after visiting a single flower of this food deception orchid. The bee's behavior lends support to the idea that food deception pollination systems reduce geitonogamy and promote outcrossing. Cultivated G. skinneri plants growing where the orchid bee occurs in Florida are fruiting which creates the possibility of the naturalization of this orchid. Euglossa viridissima is probably a pollinator of G. skinneri in Mesoamerica where they co-occur.