Species Details
Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
Common NameDubious Tiger
SeasonalityMid May to mid June.
IdentificationAlthough somewhat variable, the heavy wing maculation of this Spilosoma is diagnostic. The forewing spots run together, and a postmedial line is usually visible.
Scientific Name
Spilosoma dubia
Common Name
Dubious Tiger
Habitat
Found primarily in the aspen parkland and southern boreal forest.
Seasonality
Mid May to mid June.
Identification
Although somewhat variable, the heavy wing maculation of this Spilosoma is diagnostic. The forewing spots run together, and a postmedial line is usually visible.
Life History
No information available.
Diet Info
Prunus serotina (Handfield 1999). Other hosts are unknown.
Range
This species if found from south-eastern Canada west to Alberta. An eastern species, which is absent from most of the western U.S.
Citation
Page Citation for Spilosoma dubia
Page Citation
"Species Details - Spilosoma dubia, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-218. Accessed 12 May. 2025.
References
Author
Handfield, L.
Title
Le guide des papillons du Quebec.
Publication Date
1999
Pages
536
Author
Schmidt, B. C.
Title
The tiger moths (Arctiidae) of Alberta.
Publication Date
2000
Pages
36
Specimen Information
There are 42 specimens of this Species.
UASM12551 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1921-05-15
UASM12556 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1919-07-03
UASM12566 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1916-05-31
UASM12572 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1919-07-02
UASM12574 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Red Deer
Collected ByBowman, K.
Date Collected1916-06-20
UASM12558 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, Frederick S.
Date Collected1910-05-26
UASM12560 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Date Collected1919-05-25
UASM12555 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Leslieville
Date Collected1927-06-21
UASM12575 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Leslieville
Date Collected1927-06-20
UASM7035 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Tofield
Collected BySchmidt, B. C.
Date Collected2000-06-20
BIRD2720 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Trochu
Collected ByBird, C. D.
Date Collected2000-06-22
BIRD2721 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2000-06-29
BIRD2722 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, J.J. Collett Natural Area
Collected ByBird, C. D.
Date Collected2002-06-21
BIRD15342 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2005-05-28
BIRD15343 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2005-06-10
BIRD17893 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2006-05-19
BIRD17894 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2006-06-03
BIRD17895 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2006-06-03
BIRD20756 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2007-06-15
BIRD31536 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2009-05-16
BIRD31539 - Spilosoma dubia
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2009-06-13