peppered moth白桦尺蛾(Biston betularia)

鳞翅目尺蛾科(Geometridae)昆虫。见于欧洲。翅黑或白色，上有斑点。栖于长有苔藓的树皮上。有保护色。

• art
• article
• artificial
• artist
• artistic
• arts industry
• artwork
• as
• as a matter of fact
• as a result
• as a result of
• as a whole
• as far as
• as for
• ashamed
• ashamed of
• Asia
• Asian
• aside
• as if
• ask
• ask for
• asleep
• as long as
• as many