Hydriomena catalinata
McDunnough, 1943
Hydriomena catalinata is a in the Geometridae, first described by McDunnough in 1943. It is known from the southwestern United States, with records from Arizona and New Mexico. have a wingspan of approximately 38 mm and have been collected in spring months.

Pronunciation
How to pronounce Hydriomena catalinata: /haɪˌdɹiːoʊˈmiːnə ˌkætəˈlaɪnətə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
The 'catalinata' refers to the Santa Catalina Mountains in Arizona, the type locality. It can be distinguished from other Hydriomena by its restricted distribution in the southwestern United States and its relatively large size within the . Definitive identification requires examination of genitalia or comparison with .
Images
Appearance
have a wingspan of approximately 38 mm. As a member of Hydriomena, it likely exhibits the typical geometrid wing shape with broad, somewhat triangular forewings, though specific coloration and pattern details for this are not documented in available sources.
Habitat
Found in mountainous regions of the southwestern United States, specifically associated with the Santa Catalina Mountains and similar in Arizona and New Mexico. Likely occupies coniferous or mixed forest habitats typical for the .
Distribution
Southern United States, specifically Arizona and New Mexico. The type locality is the Santa Catalina Mountains in Arizona.
Seasonality
have been recorded on wing in April and June, indicating a spring period.
Similar Taxa
- Hydriomena nubilofasciataOverlaps in distribution in the southwestern United States; distinguished by wing pattern and genitalia.
- Hydriomena renunciataOccurs in western North America; similar size but differs in wing markings and geographic range.
More Details
Etymology
The specific epithet 'catalinata' derives from the Santa Catalina Mountains in Arizona, where the was collected.
Taxonomic History
Described by James Halliday McDunnough in 1943, a Canadian entomologist known for his work on North American Lepidoptera.