Honey Bee Image Library, copyrighted by Zachary Huang, Site Notes. Please also visit beetography.com. Please cite source as "Zachary Huang, cyberbee.net" if the use is Both not-for-profit AND educational. Please contact me for permission for any other uses.
proventriculus1

proventriculus1

The white dot near the end of the honey crop is the proventriculus. This device can function as a comb to remove pollen from nectar and also as a valve so no digested food even comes in contact with the nectar in the honey crop.

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