Species Details
Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
Common NameLarge Ruby Tiger
SeasonalityPeak flight activity is from mid May to early June, with records ranging from Apr. 14 to Jun. 9.
IdentificationLargest and most common member of this genus. Forewing pattern quite variable, but the wings are always opaque, not translucent like P. lineata and P. fuliginosa. Females tend to be larger and darker, with the forewing pattern better developed.
Scientific Name
Phragmatobia assimilans
Common Name
Large Ruby Tiger
Habitat
Moist, open habitats in deciduous and mixed forest.
Seasonality
Peak flight activity is from mid May to early June, with records ranging from Apr. 14 to Jun. 9.
Identification
Largest and most common member of this genus. Forewing pattern quite variable, but the wings are always opaque, not translucent like P. lineata and P. fuliginosa. Females tend to be larger and darker, with the…
Largest and most common member of this genus. Forewing pattern quite variable, but the wings are always opaque, not translucent like P. lineata and P. fuliginosa. Females tend to be larger and darker, with the forewing pattern better developed.
Life History
There are a few specimens in the Bowman collection with dates in August. These may represent a rare second brood, reared material, or may be mislabeled. There have been no recent recordings for late summer flight…
There are a few specimens in the Bowman collection with dates in August. These may represent a rare second brood, reared material, or may be mislabeled. There have been no recent recordings for late summer flight dates in Alberta.
Diet Info
Probably various herbaceous plants; has been reared on dandelion and plantain (Gibson, 1911). Also occasionally feeds on white birch (McGugan, 1958), raspberry (Rubus), and balsam poplar (Populus balsamifera)…
Probably various herbaceous plants; has been reared on dandelion and plantain (Gibson, 1911). Also occasionally feeds on white birch (McGugan, 1958), raspberry (Rubus), and balsam poplar (Populus balsamifera) (Northern Forestry Centre, Edmonton, AB).
Range
A boreal forest and transition zone (parkland) species, found from Nova Scotia south to New England, west to British Columbia. Not known further south than Montana and the Black Hills of South Dakota (Donahue, 1993).
Citation
Page Citation for Phragmatobia assimilans
Page Citation
"Species Details - Phragmatobia assimilans, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-232. Accessed 04 May. 2024.
References
Author
Donahue, J. P
Title
New distribution records of the tiger-moth genus Phragmatobia in North America.
Publication Date
1993
Series Title
The Great Lakes Entomologist
Volume
26
Pages
21-30
Author
McGugan, B. M.
Title
Papilionidae - Arctiidae
Publication Date
1958
Series Title
Forest Lepidoptera of Canada
Volume
1
Pages
76
Author
Schmidt, B. C.
Title
The tiger moths (Arctiidae) of Alberta.
Publication Date
2000
Pages
36
Specimen Information
There are 158 specimens of this Species.
BIRD33731 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Rochon Sands Provincial Park
Collected ByBird, C. D.
Date Collected2010-05-25
BIRD33732 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Rochon Sands Provincial Park
Collected ByBird, C. D.
Date Collected2010-06-02
BIRD33733 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Buffalo Lake Conservation Area
Collected ByBird, C. D.
Date Collected2010-06-04
CBCC1288 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Moose Lake Provincial Park
Collected ByChristensen, C. B.
Date Collected2005-05-26
BIRD35933 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBird, C. D.
Date Collected2012-05-20
BIRD35934 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBird, C. D.
Date Collected2012-05-31
BIRD36825 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2013-05-20
POHL-13-00966 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Sherwood Park
Collected ByPohl, G. R.
Date Collected1996-06-09
POHL-13-00967 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Long Lake
Collected ByPohl, G. R.
Date Collected1999-06-17
POHL-13-00968 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Manitoba, Wawanesa
Collected ByPohl, G. R.; Kanashiro, D.
Date Collected2004-06-05
BIRD37944 - Phragmatobia assimilans
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2015-06-06