SeasonalityAdults have been collected in Alberta from early June through to the later half of August.IdentificationA medium-size moth (3.6-3.8 cm wingspan) dark brown moth. Forewings are dark brown, with the orbicular, reniform and claviform spots prominent and marked with black scales. The subterminal line is narrow and somewhat erratic, marked with a mixture of pale pink and black scales. The most prominent marking is the pale pink-brown oblique stripe running from a point between the orbicular and the reniform to the subterminal line near the anal angle. Hindwings are slightly paler brown than the forewings. Antennae are simple and the sexes are similar.
Scientific NameTrachea delicataHabitat
Wooded portions of the Grasslands region.
Seasonality
Adults have been collected in Alberta from early June through to the later half of August.
Identification
A medium-size moth (3.6-3.8 cm wingspan) dark brown moth. Forewings are dark brown, with the orbicular, reniform and claviform spots prominent and marked with black scales. The subterminal line is narrow and…
A medium-size moth (3.6-3.8 cm wingspan) dark brown moth. Forewings are dark brown, with the orbicular, reniform and claviform spots prominent and marked with black scales. The subterminal line is narrow and somewhat erratic, marked with a mixture of pale pink and black scales. The most prominent marking is the pale pink-brown oblique stripe running from a point between the orbicular and the reniform to the subterminal line near the anal angle. Hindwings are slightly paler brown than the forewings. Antennae are simple and the sexes are similar.
Life History
The adults are nocturnal and come to light, and also to bait. The flight period is very long, and may indicate more than one generation per year.
Conservation
An uncommon but widespread species, at the western edge of its range in southern Alberta.
Diet Info
Unknown.
Range
New England and Quebec across southern Canada to southern Alberta and south to Kentucky, Kansas and Colorado. In Alberta, it has been collected in the wooded parts of the Grasslands region, north to Olds and Tolman Bridge
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Citation
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Page Citation for Trachea delicata
Page Citation
"Species Details - Trachea delicata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-1504. Accessed 21 Nov. 2024.
References
AuthorHandfield, L.
TitleLe guide des papillons du Quebec.
Publication Date1999
Pages536
AuthorForbes, William T. M.
TitleThe Lepidoptera of New York and neighboring states : Part 1
Publication Date1923
Series TitleCornell University Agricultural Experiment Station. Memoir
Volume1
Pages729
Specimen Information
There are 21 specimens of this Species.
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21 results plotted on map in 14 markers. Note: Only records with latitude and longitude coordinates are plotted on map.