Common NameBordered FawnSeasonalityThe single Alberta record is for August 1.IdentificationThe relatively large size, conspicuously pectinate antennae and unmarked, broadly brown-bordered wings will distinguish this species.
Scientific NameSericosema juturnariaCommon Name
Bordered Fawn
Habitat
Unknown in Alberta; likely dry, shrubby or open montane slopes.
Seasonality
The single Alberta record is for August 1.
Identification
The relatively large size, conspicuously pectinate antennae and unmarked, broadly brown-bordered wings will distinguish this species.
Life History
Eggs overwinter, and the grey larvae mimic twigs and rest outstretched (see Miller 1995 for an illustration of the larva). Pupation is in a cocoon underground (McGuffin 1981).
Conservation
Provincial status uncertain, known from a single specimen in Alberta.
Diet Info
Unknown in AB; larvae feed on Ceanothus sanguineus and Rhamnus sp. elsewhere (McGuffin 1981).
Range
Southern BC and extreme southwestern AB south to California (McGuffin 1981).
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Citation
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Page Citation for Sericosema juturnaria
Page Citation
"Species Details - Sericosema juturnaria, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4316. Accessed 27 Mar. 2023.