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Orange Sulfur Butterfly on Milkweed - Colias eurytheme - male

Orange Sulfur Butterfly on Milkweed - Colias eurytheme - Male
Cincinnati, Hamilton County, Ohio, USA
October 9, 2016
Identified as orange sulfur (vs. clouded) based on wide black band around dorsal side of wings (visible due to backlighting) and hint of orange on ventral side of forewing, and as male based on solid (vs. light-spotted) band around forewings.

Drinking from potted yellow tropical milkweed flowers on an autumn afternoon.

Provides October observation for Ohio.