About Bombus sylvarum (Linnaeus, 1761)
Bombus sylvarum is a small bumblebee species. Queens measure 16โ18 mm (0.63โ0.71 in) in length, while female workers measure 10โ15 mm (0.39โ0.59 in). Its body is mostly pale yellowish in color, marked with a single black band across the thorax and two black bands across the abdomen, and the tip of the abdomen is orange. This bumblebee flies rapidly, and queens of this species produce a high-pitched buzz.