Phragmatobia lineata
Newman & Donahue, 1966
Lined Ruby Tiger Moth
Phragmatobia lineata, commonly known as the lined ruby tiger moth, is a of tiger moth in the Erebidae. It was described by Newman and Donahue in 1966. The species is associated with prairie and has a relatively restricted distribution in North America. are active in spring, with a period from early to late May. The species is part of the diverse tiger moth group, which includes many species with bright warning coloration.

Pronunciation
How to pronounce Phragmatobia lineata: /fræɡˈmeɪtɔˌbia lɪˈniːətə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
The lined ruby tiger moth can be distinguished from other Phragmatobia by the prominent longitudinal lines on the forewings. The wingspan of approximately 57 mm and spring period help separate it from similar tiger moths in the same region. The prairie association is also a useful distinguishing feature compared to related species that occupy different .
Images
Appearance
have a wingspan of approximately 57 mm. The forewings are characterized by distinct longitudinal lines, giving the its . The overall coloration is in the ruby tiger moth palette, with reddish and brown tones typical of the Phragmatobia.
Habitat
Prairie . The is specifically associated with grassland in the northern Great Plains and adjacent regions.
Distribution
North-eastern United States, west to Manitoba and Alberta in Canada. Distribution records include Alberta, Manitoba, Saskatchewan, and Vermont.
Seasonality
are on wing from early to late May. The has a single with a narrow spring window.
Diet
The larvae probably feed on various low-growing plants. Specific plant records are not well documented.
Similar Taxa
- Phragmatobia fuliginosaRuby tiger moth, widespread Palearctic ; differs in distribution and wing pattern without distinct longitudinal lines
- Other Arctiinae speciesMany tiger moths share similar size and general appearance; P. lineata distinguished by lined forewings and prairie
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
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