Pollination of Goodyera foliosa var. maximowicziana (Orchidaceae) by the Bumblebee Bombus diversus diversus(Reproductive Biology)

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概要

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• Pollination of the orchid Goodyera foliosa var. maximowicziana was studied during the autumn of 1995 and 1996 in Matsue, Japan. The flowers were rarely visited by 5 insect species, among which only the bumblebee Bombus diversus diversus, usually workers, was the legitimate pollinator. They received the pollinarium on the galea of proboscis. Nectar-robbing ants frequently adhered to the viscidium of the pollinarium, and such pollinaria were never dislodged by the pollinator. The percentage of pollinated flowers was 60.1 %, and mean fruit set per rachis was 57.1%. The percentage of flowers that lost a pollinarium was only 17.5%. Such effective pollination should be due to the property of sectile pollinia ; a single pollinarium sticking to a bumblebee's proboscis was used repeatedly to pollinate more than one flower. Protandry and longevity of individual flowers were also described in relation to pollination.

• 種生物学会の論文

著者

• Yamaguchi Tsutomu

  Division Of Cardiovascular Medicine Department Of Internal Medicine Kobe University Graduate School

• Sugiura Naoto

  Division Of Environmental Biology Faculty Of Agriculture Shimane University:(present Address)graduat

• Yamaguchi Tsutomu

  Division Of Environmental Biology Faculty Of Life And Environmental Science Shimane University

関連論文

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• Additional Notes on the Nesting Habits of the Taiwanese Bamboo Carpenter Bee, Xylocopa (Biluna) tranquebarorum tranquebarorum (Hymenoptera, Anthophoridae)
• The Unusual Nest of a Leaf-Cutting Bee, Megachile igniscopata COCKERELL from the Iriomote Island, Southernmost Japan (Hymenoptera, Megachilidae)
• A New Locality of Thyreus centrimacula (PEREZ) (Hymenoptera, Anthophoridae) in Japan
• Pollination of Goodyera foliosa var. maximowicziana (Orchidaceae) by the Bumblebee Bombus diversus diversus(Reproductive Biology)
• Pollination of the orchid Epipactis thunbergii by syrphid flies (Diptera: Syrphidae)
• Host Records of Cleptoparasitic Bees in Japan (Hymenoptera, Apoidea)

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