Is industrial melanism is stabilizing selection?

Answer:
No, that would be more of a directional selection. Phenotypic change from a minor variant phenotype, black in this case, to the majority phenotype due to the environmental selection pressure of pollution on the moth phenotype.
First answer by Neodarwinian. Last edit by Neodarwinian. Contributor trust: 126 [recommend contributor recommended]. Question popularity: 2 [recommend question].