The adults are most common in July and August. (1)
Life Cycle
Powell & Opler (2009) reported the immature stages and host plant are unknown. (1)
Remarks
This page is for the undescribed species Phtheochroa vulnerata of authors, not (Zetterstedt, 1839). True vulnerata is Palearctic, not Holarctic as previously thought.(2)
Print References
Powell, J.A. & P.A. Opler, 2009. Moths of Western North America, plate. 20.20, p. 157. (1)