though skinned. They are up to 25 mm long and usually shiny yellowish brown or light brown with a darker head. Larval development takes 4 to 5 years.…
pollination. 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…
the flower (bite marks) turn brown within one to four hours and make it possible to check the bumblebees’ work. These brown marks can be used to help…
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