top of page
Close-up photo of live Spring Azure (Celastrina echo) ventral view

Fitton Green, Linn County, March 26

Echo Azure

Celastrina echo

AKA Pacific Azure

Size: 1.0 - 1.25 inches wingspan

Key ID features:  Male lilac-blue above, with no black markings. Female dusky-blue, with few marginal spots ringed with gray, FW with dark bands on outer edge. Below, bright gray-white, with very light marginal band of chevrons, and small black spots. Below, gray discal bars on both FW and HW.

Similar species: Light markings below with no tails or orange spots distinctive and usually easy to distinguish from other blues.


Host plant: Many shrub species including red osier dogwood, elderberry, madrone, snowbrush, and oceanspray.

Habitat: Shrubby habitats and riparian areas. ​

Range: Most of Oregon except dry basin and range areas on the east side of Cascade Mtns.

Season: Late February to early October

Abundance: Common


Conservation Status: Secure

bottom of page