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Creusa

Euchloe creusa

Plate XXXII — Creusa is Fig. 23
Plate XXXII — Creusa is Fig. 23
Plate XXXIV — Creusa is Fig. 2
Plate XXXIV — Creusa is Fig. 2

Butterfly.--Similar to the preceding species, but smaller, the white more lustrous on the under side, and the green markings on the under side of the wings heavier. Expanse, 1.20-1.40 inch.

Early Stages.--We know very little of these.

The species is reported from California, Colorado, and Alberta. I possess a singular varietal form or aberration from Arizona, in which the black spot on the upper side of the primaries fills the outer half of the cell.