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Upperside of male forewing with orange, hooked tip; females hooked, but lack ...
Falcate Orangetips were flying at the summit of Hook Mountain. Some were ...
Upperside of male forewing with orange, hooked tip; females hooked, but lack ...
Butterfly where the upper side of the male's forewing is orange. Females lack ...
These butterflies eat the nectar of violets and mustards. They tend to live in ...
Upperside of male forewing with orange, hooked tip; females hooked, but lack ...
Upperside of male forewing with orange, hooked tip; females hooked, but lack ...
Upperside of male forewing with orange, hooked tip; females hooked, but lack ...
Upperside of male forewing with orange, hooked tip; females hooked, but lack ...
, including (in the US) Spring Azure (Celastrina ladon) and Falcate Orange-tip ...