Tacparia detersata
(Guenée, 1857)
Pale Alder Moth
Tacparia detersata, known as the pale alder , is a North American geometrid moth in the Ennominae. It is broadly distributed across Canada and the northern United States. The has been documented in over 1,400 iNaturalist observations, suggesting it is relatively common and readily encountered by observers.

Pronunciation
How to pronounce Tacparia detersata: /tækˈpɛəriə dɪˈtɜrsɑːtə/
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Distribution
Recorded from North America, with confirmed presence in the Canadian provinces of Alberta, Manitoba, and Saskatchewan, and the U.S. state of Vermont. The iNaturalist observation count of 1,455 indicates broad occurrence across the northern part of the continent.
Host Associations
- Alnus - presumed larval Inferred from 'pale alder '; not verified in provided sources
More Details
Taxonomic history
Originally described as Tephrina detersata by Guenée in 1857, later transferred to Tacparia.