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Photographic gallery.  Thousands of particles under the microscope.
Honeybee Feces Under the Microscope

Honeybee Frass

This is a sample collected from the surface of automobiles in a parking lot in Melbourne, Australia during November.

Macro Photograph

Definition/Function:

Honeybee frass consists of pollen grains, wax, and glutamine. In the Spring, when the bees become active again, they can defecate up to one third of their body weight as single pellets. These pellets have the consistency of slush and can streak or form globules on the surfaces they land on. The bees defecate in flight so surfaces between the hive and the nectar source may be spotted with these deposits.

Significance in the Environment:

Characteristic Features:

Honeybee frass contain a variety of different pollen grain, crystals of highly birefringent glutamine, and wax. The wax may also form birefringent crystals but they are not as birefringent as the glutamine crystals.

Associated Particles:

References: