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Photo#264570
B. bimaculatus? - Bombus bimaculatus - female

B. bimaculatus? - Bombus bimaculatus - Female
Perry County, Pennsylvania, USA
April 9, 2009
Size: 20 mm
Yellow hairs on T2 rule out B. impatiens, yellow hairs on head rule out B. griseocollis right?

An interesting observation is that B. bimaculatus has been the first bumble bee I have seen each spring for the past 2 years (this would be the third). Their coming out earlier than other species must give them an advantage

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B. bimaculatus? - Bombus bimaculatus - female B. bimaculatus? - Bombus bimaculatus - female B. bimaculatus? - Bombus bimaculatus - female

They always come out early, a
They always come out early, are among the first queens.

B. bimaculatus
"Yellow hairs on T2 rule out B. impatiens, yellow hairs on head rule out B. griseocollis right?"

Correct.

Black spot in middle of scutum is typical.

 
Thanks again
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