SeasonalityIn Alberta there is a single record for late August.IdentificationE. murdocki belongs to the detersa group of the subgenus Euxoa. It is a relatively small Euxoa species (wingspan 2.8-3.1 cm.). The forewing is rusty orange, crossed by a wide blue-grey median band, which incorporates the large blue-grey orbicular and reniform spots. The antemedian and postmedian lines are black, bordered by a mirror image in light brown. There is a dark grey-brown terminal band. Hindwings are light sooty-buff. The rusty-orange basal and subterminal area with the grey median area is a unique pattern among the Euxoa.
Scientific NameEuxoa murdockiHabitat
Dry open montane pine and fir forest.
Seasonality
In Alberta there is a single record for late August.
Identification
E. murdocki belongs to the detersa group of the subgenus Euxoa. It is a relatively small Euxoa species (wingspan 2.8-3.1 cm.). The forewing is rusty orange, crossed by a wide blue-grey median band, which incorporates…
E. murdocki belongs to the detersa group of the subgenus Euxoa. It is a relatively small Euxoa species (wingspan 2.8-3.1 cm.). The forewing is rusty orange, crossed by a wide blue-grey median band, which incorporates the large blue-grey orbicular and reniform spots. The antemedian and postmedian lines are black, bordered by a mirror image in light brown. There is a dark grey-brown terminal band. Hindwings are light sooty-buff. The rusty-orange basal and subterminal area with the grey median area is a unique pattern among the Euxoa.
Life History
There is a single annual brood, which flies in late summer. Adults come to light.
Conservation
An uncommon species, at the extreme eastern edge of its range in western Alberta.
Diet Info
No information available.
Range
A western species, occurring mainly west of the continental divide, from western Montana and western Colorado west to southern California, and north to the southern interior of British Columbia. A specimen from Banff…
A western species, occurring mainly west of the continental divide, from western Montana and western Colorado west to southern California, and north to the southern interior of British Columbia. A specimen from Banff is the only record for Alberta, and is apparently the only specimen known from east of the continental divide.
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Citation
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Page Citation for Euxoa murdocki
Page Citation
"Species Details - Euxoa murdocki, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2363. Accessed 03 Dec. 2024.
References
AuthorLafontaine, J. Donald
TitleClassification and Phylogeny of the Euxoa detersa Group (Lepidoptera: Noctuidae).
Publication Date1981
Series TitleQuaestiones Entomologicae
Volume17
Pages1-120
AuthorLafontaine, J. Donald
TitleNoctuoidea : Noctuidae (part)
Publication Date1987
Pages237
Specimen Information
There are 63 specimens of this Species.
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63 results plotted on map in 7 markers. Note: Only records with latitude and longitude coordinates are plotted on map.