Bombus fraternus

Typical female coloration
Bombus fraternus
The southern plains bumble bee

AR Season: Jun-Aug (Limited data on this species in AR for now)
Caste Sizes: 
     Queen: 21-27 mm
     Worker: 13-18 mm
      Males: 19-25 mm

(Note, I rarely encounter this species in NWA. It seems to be more suited to the southern portion of the state)


County-level distribution


 

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