visible spectrum for bumblebees) and has a special, flower shaped, UV pattern around the entrance of the hive to help the bumblebees find their way…
more time (overlap with daylight) there is for the bumblebees to pollinate. For pollination, bumblebees need at least 28 Watt/m2 PAR light near the…
imprints of the bumblebee’s jaw on the flower (bite marks) turn brown within one to four hours and make it possible to check the bumblebees’ work.…
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