Pink-edged Sulphur (Colias interior)

Order: Lepidoptera (le-pid-OP-ter-a) (Info)
Family: Pieridae (pee-AIR-ih-dee) (Info)
Genus: Colias
Species: interior

Regional

This bug has been reportedly found in the following regions:

Cherry Valley, Illinois

Members' Notes:

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positives
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Neutral

On Aug 16, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:

Wing span: 1 1/2 - 2 5/8 inches (3.9 - 6.6 cm).

Identification: Both sexes with conspicuous pink wing edges. Male yellow; female yellow or white (very rarely). Upperside of male with black border; border on female may be incomplete or only seen at tip of wing. Underside of hindwing clear yellow with single silver cell spot circled in pink.

Life history: Males patrol with a slow flight for females. Eggs are laid in midsummer on blueberry leaves, and young caterpillars overwinter. Most feeding occurs the following spring.

Flight: One flight from June-August.

Caterpillar hosts: Various blueberry plants (Vaccinium species) in the heath family (Ericaceae).

Adult food: Nectar from flowers of bristly sarsaparilla and orang... read more

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