Lembadion lucens

The smaller brother of the more familiar Lembadion bullinum. I’ve added some text identifying the pellicle, the micronucleus and the derivation tubule on the contractile vacuole. 

From a marsh in the Mer Bleue conservation area, in Ottawa.

Body length 65 µm

Olympus BHB 100X oil immersion obj. (1000X)