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Hedera helix (Araliaceae) - Pollination by Eristalis tenax (Syrphidae) and Apis mellifera (Apidae)   [Title Translation]

Hedera helix (Araliaceae) - Pollination durch Eristalis tenax (Syrphidae) und Apis mellifera (Apidae)   [Other Title]
Year of origin: 1970-1975
Genre: Documentary Film
Locations of shooting: n/a

Credits
Production company: Paul Brustkern (Bonn)
First released by: IWF (Göttingen)
Distributor: IWF (Göttingen)
Author: Paul Brustkern


Keywords: Apis mellifera, Biene, Efeu, Eristalis tenax, Fliege, Hedera helix, Honigbiene, Insecta, Nahrungsaufnahme, Schwebfliege, Schwebfliege, honey-bee, hover fly, ingestion, Insecta
The film demonstrates the mode of pollination in protandrous flowers of the ivy, Hedera helix, and the behaviour of their frequentest visitors, the mud fly, Eristalis tenax, and the honey-bee, Apis mellifera. Especially it is pointed to there usually free excretion of nectar and to the additional usage of the pollen as nourishment.

Version 1
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Duration: 3 min

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Version 2
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Duration: 3 min

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Version 3
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Duration: 3 min

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Length 32 m Request Copy Button
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