The
wingspan is 31–45 mm. C. nastes is dark grey green with grey-black margins and red fringes. The female is more yellowish and has more distinct yellowish submarginal spots on both wings. The under surface of the forewing is impure whitish, with greenish-yellow scales, the rose-red fringes are conspicuous, the hindwing is yellowish green, lighter at the margin, the white median spot is bordered with red and distally to it is placed a diffuse red spot, the rose-red fringes are broader than on the forewing. The female has a somewhat lighter under surface and on the forewing some small black submarginal spots.
Biology
The butterfly flies from May to August depending on the location.
Churkin, S., Grieshuber, J ., Bogdanov, P. & Zamolodchikov, D., 2001 Taxonomic notes on Colias tyche Böber, 1812 and Colias nastes Boisduval, 1832 (Lepidoptera, Pieridae) from the Russian Far East with the descriptions of new subspecies. Helios 2: 103–116, pls.8-10.
Joseph T. Verhulst (English translation R. Leestmans, editing E. Benton and R. Leestmans), 2000 Les Colias du Globe translation Monograph of the genus Colias Keltern, Germany : Goecke & Evers
ISBN9783931374150
State Darwin Museum imagestype specimen images of C. nastes magadanica Churkin, Greishuber, Bogdanov et Zamolodchikov, 2001 and Colias nastes flinti Churkin, Greishuber, Bogdanov et Zamolodchikov, 2001 at the
Darwin Museum