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Species Details
Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityIn Alberta adults fly from in June and July, peaking in late June.
IdentificationGround colour varies from light to dark rust-brown, AM and PM line thin and well defined, median line diffuse. Most specimens have diffuse black spots in the forewing subterminal space. Similar to E. madusaria, which has a smooth rather than serrate forewing edge. E. johnsonaria has evenly deep serrations on the hindwing edge, obtusaria has the third notch conspicuously deeper; hindwing discal spot absent or faint in johnsonaria, well-defined in obtusaria.
Scientific Name
Euchlaena johnsonaria
Habitat
Deciduous wooded areas in the southern half of the province.
Seasonality
In Alberta adults fly from in June and July, peaking in late June.
Identification
Ground colour varies from light to dark rust-brown, AM and PM line thin and well defined, median line diffuse. Most specimens have diffuse black spots in the forewing subterminal space. Similar to E. madusaria, which…
Ground colour varies from light to dark rust-brown, AM and PM line thin and well defined, median line diffuse. Most specimens have diffuse black spots in the forewing subterminal space. Similar to E. madusaria, which has a smooth rather than serrate forewing edge. E. johnsonaria has evenly deep serrations on the hindwing edge, obtusaria has the third notch conspicuously deeper; hindwing discal spot absent or faint in johnsonaria, well-defined in obtusaria.
Life History
McGuffin (1981) describes the larva in detail. The adults are attracted to lights
Conservation
Not of concern.
Diet Info
Larvae are apparently generalists on deciduous trees and shrubs, including dogwood (Cornus), willow (Salix), Spiraea, Vaccinium, elm (Ulmus), ash (Fraxinus), and birch (Betula) (McGuffin 1981).
Larvae are apparently generalists on deciduous trees and shrubs, including dogwood (Cornus), willow (Salix), Spiraea, Vaccinium, elm (Ulmus), ash (Fraxinus), and birch (Betula) (McGuffin 1981).
Range
Southern coastal BC east to Nova Scotia, south to NJ, MO and OR (McGuffin 1981).
Citation
Page Citation for Euchlaena johnsonaria
Page Citation
"Species Details - Euchlaena johnsonaria, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4199/9-173229. Accessed 28 Nov. 2024.
References
Author
McGuffin, W. C.
Title
Guide to the Geometridae of Canada (Lepidoptera): II. Subfamily Ennominae. 3
Publication Date
1981
Series Title
Memoirs of the Entomological Society of Canada
Volume
117
Pages
153
Specimen Information
There are 84 specimens of this Species.
BIRD3322 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2003-07-04
BIRD3323 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Big Knife Provincial Park
Collected ByBird, C. D.
Date Collected2003-07-08
BIRD3324 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Big Knife Provincial Park
Collected ByBird, C. D.
Date Collected2003-07-08
BIRD3325 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dry Island Buffalo Jump Provincial Park
Collected ByBird, C. D.
Date Collected2003-07-12
BIRD3326 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBird, C. D.
Date Collected2003-07-14
UASM57957 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Writing-On-Stone Provincial Park
Collected ByAnweiler, G. G.; Troubridge, J.
Date Collected2000-06-28/2000-06-29
BIRD6881 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, J.J. Collett Natural Area
Collected ByBird, C. D.
Date Collected2004-07-06
BIRD6882 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, J.J. Collett Natural Area
Collected ByBird, C. D.
Date Collected2004-07-06
BIRD6883 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Winfield
Collected ByBird, C. D.
Date Collected2004-07-12
BIRD6884 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Rochon Sands Provincial Park
Collected ByBird, C. D.
Date Collected2004-07-13
BIRD6885 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Erskine
Collected ByBird, C. D.
Date Collected2004-07-16
BIRD6886 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dry Island Buffalo Jump Provincial Park
Collected ByBird, C. D.
Date Collected2004-07-18
UASM41342 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Bow Island
Collected ByAnweiler, G. G.
Date Collected2005-07-22
UASM77828 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton National Park
Collected ByAnweiler, G. G.
Date Collected2005-07-07
UASM58447 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Bow Island
Collected ByAnweiler, G. G.
Date Collected2005-07-20
UASM58497 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jenner
Collected ByAnweiler, G. G.; Schmidt, B. C.
Date Collected2005-06-14
BIRD16342 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Big Knife Provincial Park
Collected ByBird, C. D.
Date Collected2005-06-29
BIRD16343 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Stettler
Collected ByBird, C. D.
Date Collected2005-07-08
BIRD16344 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Stettler
Collected ByBird, C. D.
Date Collected2005-07-08
BIRD16345 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Rochon Sands Provincial Park
Collected ByBird, C. D.
Date Collected2005-07-11
BIRD16346 - Euchlaena johnsonaria
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Nevis
Collected ByBird, C. D.
Date Collected2005-07-16