Pteryxia petraea (syn: Cymopterus petraeus)
Rockloving Wavewing

Family: Apiaceae (Carrot family)

Photo taken near on the eastern edge of the basalt cliffs of the Snake River near Swan Falls, Ada County, Idaho; dry exposed rocky cliff tops and sides near canyon, shallow clay soils on basalt

photo of Pteryxia petraea
© 2008 Thayne Tuason
photo of Pteryxia petraea
© 2008 Thayne Tuason