Celtic-wave
Guides
Idaea celtima
Celtic Wave
Idaea celtima is a species of geometrid moth in the family Geometridae, commonly known as the Celtic Wave. First described by Schaus in 1901 under the basionym Ptychopoda celtima, this small moth is native to North America. It belongs to the subfamily Sterrhinae, a group of generally small, often delicate moths with characteristic wavy or lined wing patterns. The species has been documented in iNaturalist with over 1,400 observations, indicating it is relatively well-recorded by citizen scientists.