Lytrosis unitaria
(Herrich-Schäffer, [1854])
Common Lytrosis Moth
Lytrosis unitaria, the common lytrosis , is a geometrid moth to eastern and central North America. have a wingspan of approximately 50 mm. The are , feeding on a range of including roses, hawthorns, serviceberries, maples, oaks, and viburnums. The species is well-documented across its range with over 3,000 citizen science observations.
Pronunciation
How to pronounce Lytrosis unitaria: //lɪˈtroʊ.sɪs juːˈnɪ.tɛr.i.ə//
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Identification
Distinguished from other Lytrosis and similar geometrid by combination of size (wingspan ~50 mm), geographic distribution in eastern North America, and association with specific larval plants. Precise diagnostic features for field identification require additional sources.
Images
Appearance
wingspan approximately 50 mm (2.0 in). As a member of , adults possess the characteristic broad, relatively flat and slender body typical of the . Specific coloration and pattern details are not provided in available sources.
Habitat
Found in regions supporting its larval plants: Rosa, Crataegus, Amelanchier, Acer, Quercus, and Viburnum . These include deciduous woodlands, forest edges, shrublands, and areas with mixed .
Distribution
Eastern and central North America. Documented in: Arkansas, Georgia, Iowa, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Ontario (Canada), Pennsylvania, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, and Wisconsin.
Diet
feed on leaves of multiple : Rosa (roses), Crataegus (hawthorns), Amelanchier (serviceberries), Acer (maples), Quercus (oaks), and Viburnum (viburnums). feeding habits are not documented in available sources.
Host Associations
- Rosa - larval level
- Crataegus - larval level
- Amelanchier - larval level
- Acer - larval level
- Quercus - larval level
- Viburnum - larval level
Ecological Role
Larval on ; contributes to and serves as for and . Specific ecological impacts are not documented.
Similar Taxa
- Other Lytrosis speciesCongeneric may overlap in range and require detailed examination for separation; L. unitaria is the most commonly encountered species in the based on observation frequency.
- Other Geometridae in Ennominae members share general body plan and posture; associations and geographic range help narrow identification.
More Details
Taxonomic History
Originally described as Boarmia unitaria by Herrich-Schäffer in 1854; later transferred to Lytrosis.
Observation Frequency
Over 3,300 observations recorded on iNaturalist, indicating it is frequently encountered and relatively conspicuous within its range.