Species Details
Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
Common NameIsabella Tiger
SeasonalityMid June to mid July.
IdentificationThe amount of black on the forewing is somewhat variable, but this species is fairly distinct with its yellow ground colour and black markings. Females have a pink tinge to the hindwing, whereas males have a yellow hindwing.
Scientific Name
Pyrrharctia isabella
Common Name
Isabella Tiger
Habitat
This species inhabits open parkland and prairie habitats.
Seasonality
Mid June to mid July.
Identification
The amount of black on the forewing is somewhat variable, but this species is fairly distinct with its yellow ground colour and black markings. Females have a pink tinge to the hindwing, whereas males have a yellow hindwing.
Life History
No information available.
Conservation
Although widespread, this species is usually not common.
Diet Info
Known to feed on a wide variety of plants, primarily herbs and forbs.
Range
Widespread across the U.S. and southern Canada. It is likely at its northern range limit in the southern boreal forest of Alberta.
Citation
Page Citation for Pyrrharctia isabella
Page Citation
"Species Details - Pyrrharctia isabella, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-215. Accessed 21 Jul. 2025.
References
Author
Schmidt, B. C.
Title
The tiger moths (Arctiidae) of Alberta.
Publication Date
2000
Pages
36
Specimen Information
There are 60 specimens of this Species.
UASM12492 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1941-06-11
UASM12497 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1936-06-30
UASM12498 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1934-06-04
UASM12508 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByBowman, K.
Date Collected1932-06-14
UASM12488 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Lethbridge
Collected ByBowman, K.
Date Collected1924-07-04
UASM12486 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Red Deer
Collected ByBowman, K.
Date Collected1923-07-03
UASM12491 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Red Deer
Collected ByBowman, K.
Date Collected1924-08-01
UASM12511 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Red Deer
Collected ByBowman, K.
Date Collected1922-06-19
UASM12522 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Fort Macleod
Collected ByFreigang, B.
Date Collected1957-06-05
UASM7033 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Tofield
Collected BySchmidt, B. C.
Date Collected2000-06-28
UASM35898 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Claresholm
Collected ByPike, E. M.
Date Collected2000-07-02
UASM35897 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Taber
Collected ByPike, E. M.
Date Collected2000-07-31
UASM43056 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta
Collected ByLawrie, D.
Date Collected1998-06-18
BIRD2666 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Trochu
Collected ByMengersen, E.
Date Collected2000-06-22
BIRD2667 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Trochu
Collected ByMengersen, E.
Date Collected2000-06-22
BIRD2668 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Trochu
Collected ByMengersen, E.
Date Collected2000-07-03/2000-07-04
BIRD2669 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dry Island Buffalo Jump Provincial Park
Collected ByBird, C. D.
Date Collected2001-06-20
BIRD2670 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dry Island Buffalo Jump Provincial Park
Collected ByBird, C. D.
Date Collected2001-06-20
BIRD2671 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Buffalo Lake Provincial Recreation Area
Collected ByBird, C. D.
Date Collected2001-06-22
BIRD2672 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Stettler
Collected ByBird, C. D.
Date Collected2002-06-20
BIRD2673 - Pyrrharctia isabella
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBird, C. D.
Date Collected2002-06-22