|scientific name Okanagana fratercula |
The only available Alberta date is for early July (Davis 1927).
Dorsum black with posterior orange borders to the abdominal segments, underside black. One of the smaller species with a wingspan of 46 - 52mm (Davis 1935). Similar to luteobasalis, but the abdominal segments are not posteriorly bordered with orange as in that species, and the eyes are less prominent (Davis 1935).
Unknown. Apparently associated with sagebrush prairie (Davis 1927).
Rare. The only Canadian records are from Alberta.
Plant fluids. Specific hosts unknown.
Known from Alberta (Cypress Hills), Idaho, Wyoming, Nevada and Utah (Davis 1927).
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