Schinia erosa
Smith, 1906
Schinia erosa is a described by Smith in 1906. It inhabits desert regions of the southwestern United States, specifically the Mojave and Sonoran Desert areas east of the Peninsular Range in southern California and south-central Arizona. The is with active in late summer and fall, and exhibits a specialized larval association with Isocoma acredenia (burrobrush), a desert shrub in the Asteraceae .

Pronunciation
How to pronounce Schinia erosa: /ˈskɪniə ɪˈroʊsə/
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Images
Habitat
Arid desert environments, specifically the Mojave and Sonoran Desert regions. Associated with desert scrub vegetation dominated by its larval Isocoma acredenia.
Distribution
to southwestern North America. Documented from desert areas east of the Peninsular Range in southern California (including the Mojave Desert) and south-central Arizona.
Seasonality
are on from late summer to early November, with peak activity likely occurring in September and October.
Diet
feed exclusively on Isocoma acredenia (burrobrush), a desert shrub. feeding habits are not documented.
Host Associations
- Isocoma acredenia - larval feed on this desert shrub; the specific epithet 'acredenia' refers to this association
Life Cycle
with , larval, pupal, and stages. Larval development occurs on Isocoma acredenia. likely occurs in soil. with one per year.
Ecological Role
As a , contribute to in desert through consumption of Isocoma acredenia. The is part of the that provides food resources for including bats and nocturnal birds.
Similar Taxa
- Schinia tertiaBelongs to the same 'tertia ' and shares similar desert distribution and ; distinguished by pattern and genitalic differences
- Other Schinia speciesThe Schinia contains numerous similar-appearing with specialized associations; accurate identification requires examination of and pattern details
More Details
Taxonomic History
Schinia erosa was described by Smith in 1906 and is part of the 'tertia ' within Schinia, a group of closely related that has undergone taxonomic revision. The species epithet 'erosa' refers to the eroded or worn appearance of markings.
Conservation Status
Not formally assessed. Given its restricted distribution in rapidly urbanizing southern California desert regions and specialized association, the may be vulnerable to loss, though no studies have been conducted.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- Catalogue of Life
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