[Pollinator] [beemonitoring] Is B. citrinus....disappearing

[Lisa Horth]

Here in Norfolk, VA this fall we had 25 B.impatiens and 0 B.citrinus.


On Tue, Dec 2, 2014 at 10:16 AM, 'Droege, Sam' sdroege at usgs.gov
[beemonitoring] <beemonitoring-noreply at yahoogroups.com> wrote:

>
>
> All:
>
> Several people have mentioned to me that B. citrinus is hard to find.  I
> looked our data today and found the following patterns:
>
> Years 2002-2014 (still a lot of 2014 data to enter)
>
> Data are collected for lots of different reasons, but always throughout
> the year.  Note that like other Bombus, B. citrinus do occur in pan traps
> but not seemingly in greater or lesser percentages from B. impatiens.
>
> [image: Inline image 1]
>
>
> The ratio is the ratio of B. citrinus to B. impatiens.
>
> B. impatiens is the presumed primary host for B. citrinus
>
> Looks like a tanking situation to me.
>
> sam
>
>
> The February Bee
>
> The bumblebee crept out on the stone steps.
> No roses. Nothing to gather.
> Nothing but itself, the cold air,
> and the spring light.
> It rubbed its legs together
> as if it wished to start a fire
> and wear its warmth.
> Under its smart yellow bands
> the black body shone like patent leather.
> It groomed itself, like a pilot
> ready for takeoff and yet not ready:
> when my shadow fell over him
> he flicked his wings, checking them,
> and took off into the bare garden.
>
> - Nancy Willard
>
>
>
> --
> *Bees are Not Optional*
>
> *Apes sunt et non liberum*
>
>  __._,_.___
>   ------------------------------
> Posted by: "Droege, Sam" <sdroege at usgs.gov>
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-- 

Associate Professor
Dept of Biological Science
Old Dominion University
Norfolk, VA 23529
lhorth at odu.edu
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