As the flowers are facing down, most insects looking for nectar cannot get a hold.
Only a few butterfly types – here mostly hawk moths – manage to collect nectar with their long proboscis while hovering in midair.
In order to attract nocturnal insects, the flowers exude their tempting smell mostly in the evening.
www.np-thayatal.atDa die Blüten nach unten hängen, finden die meisten Nektar suchenden Insekten keinen Halt.
Nur einigen Schmetterlingsarten – hier vor allem den Schwärmern – gelingt es, im Flug stehend mit dem langen Rüssel an den Nektar heranzukommen.
Um Nachtschwärmer anzulocken, verströmen die Blüten vor allem am Abend einen betörenden Duft.
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