Species Details

Catocala relicta

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

Common NameWhite Underwing, The Relict SeasonalityAdults are on the wing from late July through September. IdentificationA large (6.7-7.5 cm wingpan) moth with white forewings crossed by several diffuse black bands and lines, the most prominent being the median band. The hindwings are jet black with a white median band and a narrow white terminal band and fringe. The amount of dark scaling on the forewings varies greatly among populations. The antennae are simple and the adults look alike. Unmistakable.

Scientific Name Catocala relicta Common Name White Underwing, The Relict Habitat Mature hardwood and mixedwood forest, in particular aspen forest. Seasonality Adults are on the wing from late July through September. Identification
A large (6.7-7.5 cm wingpan) moth with white forewings crossed by several diffuse black bands and lines, the most prominent being the median band. The hindwings are jet black with a white median band and a narrow…
A large (6.7-7.5 cm wingpan) moth with white forewings crossed by several diffuse black bands and lines, the most prominent being the median band. The hindwings are jet black with a white median band and a narrow white terminal band and fringe. The amount of dark scaling on the forewings varies greatly among populations. The antennae are simple and the adults look alike. Unmistakable.
Life History
Adults are nocturnal and come to light, but they are best collected using sugar baits. The adults emerge in late summer and early fall, and the eggs overwinter. The larvae, which are solitary defoliators, hatch in…
Adults are nocturnal and come to light, but they are best collected using sugar baits. The adults emerge in late summer and early fall, and the eggs overwinter. The larvae, which are solitary defoliators, hatch in May and can be found until early August. There is one brood per year.
Conservation A common, widespread insect. No concerns. Diet Info
No Alberta data. Elsewhere in Canada the larvae feed mainly on Aspen poplar (Populus tremuloides). Also reported, much less frequently, from Balsam poplar (Populus balsamifera), willow (Salix) and White birch (Betula…
No Alberta data. Elsewhere in Canada the larvae feed mainly on Aspen poplar (Populus tremuloides). Also reported, much less frequently, from Balsam poplar (Populus balsamifera), willow (Salix) and White birch (Betula papyrifera).
Range
Across southern Canada, from Newfoundland to Vancouver Island, south to Missouri and Arizona. In Alberta, it is found throughout the Aspen parklands, southern Boreal forest north to the northern Peace River area, and…
Across southern Canada, from Newfoundland to Vancouver Island, south to Missouri and Arizona. In Alberta, it is found throughout the Aspen parklands, southern Boreal forest north to the northern Peace River area, and the foothills and lower elevations in the mountains. It is also present in smaller numbers in cottonwood stands along the rivers of the grasslands region (Dinosaur Provincial Park and Lethbridge).

Citation

Page Citation for Catocala relicta

Page Citation

"Species Details - Catocala relicta, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-811. Accessed 16 Apr. 2024.

Authorship

Name Anweiler, G. G.
Role species page author

References

Specimen Information

There are 126 specimens of this Species.

126 results plotted on map in 55 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM185050 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Gabriola Island Collected ByAnweiler Date Collected1989-09-23

UASM185051 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Langley Collected ByTroubridge, J. Date Collected1992-07-15/1992-07-20

UASM185053 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Saskatchewan, Bjorkdale Collected ByKozial, J. Date Collected1990-08-29

UASM185054 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Saskatchewan, Bjorkdale Collected ByKozial, J. Date Collected1990-08-30

UASM185055 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Saskatchewan, Bjorkdale Collected ByKozial, J. Date Collected1990-09-02

UASM185056 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Wyoming, Albany county, Medicine Bow National Forest Collected ByFerris Date Collected1989-09-04

UASM185057 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: New Brunswick, Saint-Basile Collected ByHensel, H. Date Collected1996-08-09

UASM185058 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: New Brunswick, Saint-Basile Collected ByHensel, H. Date Collected1996-09-05

UASM185059 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: New Brunswick, Edmundston Collected ByHensel, H. Date Collected1996-09-01

UASM188544 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Bragg Creek Collected BySperling, F. A. H. Date Collected2007-08-15

BIRD33795 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2010-08-15

BIRD35117 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2011-08-20

BIRD35118 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2011-09-03

BIRD35967 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2012-08-18

BIRD35968 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2012-08-18

BIRD35969 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2012-09-01

BIRD36870 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2013-08-27

BIRD36871 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2013-08-31

BIRD36872 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2013-08-31

BIRD36873 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2013-09-14

BIRD37570 - Catocala relicta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Winfield Collected ByBird, C. D. Date Collected2014-08-30

Adult Seasonal Distribution