Two spot ladybirds as indicators of intense local air pollution.
D000397:Air Pollution; D000818:Animals; D001517:Coleoptera; D005787:Gene Frequency; D008543:Melanins / Q000096:biosynthesis*; D010858:Pigmentation; D012906:Smoke; D013458:Sulfur Dioxide; D014852:Wales
D008543:Melanins; D012906:Smoke; D013458:Sulfur Dioxide