Chlosyne gorgone

(Hübner)

Gorgone Checkerspot

Chlosyne gorgone is a Nymphalinae occurring across central North America. have orange with black markings and a wingspan of 32–45 mm. feed on Asteraceae plants including Helianthus, , Iva, and Viguiera ; adults visit nectar sources, particularly flowers. The species exhibits geographic variation in number, with one in the north and up to three in the south.

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Pronunciation

How to pronounce Chlosyne gorgone: /kloʊˈsaɪni ˈɡɔrɡoʊn/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from similar checkerspots by the submarginal row of solid black dots on the surface, combined with the zigzag -and- banding pattern. The white chevron on the ventral surface is particularly distinctive. Range and period help separate from other Chlosyne where .

Images

Habitat

Open areas including ridges, prairies, old fields, streamsides, and open hardwood forests. Occurs in both dry and mesic conditions within these open .

Distribution

North America from Alberta east to southern Ontario, south to central Texas, primarily between the Rocky Mountains and Appalachians. Present in Canadian provinces of Alberta, Saskatchewan, and Manitoba; widespread in the United States from the Great Plains to the Midwest and south-central regions.

Seasonality

period varies geographically: one July–August in northern range; two broods May–September in mid-range; three broods April–September in southern range.

Diet

feed on leaf tissue of Asteraceae : Helianthus (sunflowers), trifida (giant ragweed), Iva xanthifolia (marsh elder), and Viguiera multiflora. feed on nectar, with preference for flowers.

Host Associations

Helianthus species - larval
Ambrosia trifida - larval
Iva xanthifolia - larval
Viguiera multiflora - larval
Echinacea pallida - larval Documented in Wisconsin prairie; single observation of eight feeding on upper leaf surface

Life Cycle

Females in clusters on undersides of leaves. Early feed gregariously; third-instar enter . Complete number of varies with latitude (1–3 ).

Behavior

exhibit group feeding , particularly in early . Feeding damage on leaves is characteristic: larvae consume upper leaf surface tissue while leaving the translucent lower intact, creating elongated feeding areas along the leaf axis.

Similar Taxa

Chlosyne laciniaSimilar orange-and-black checkerspot pattern, but distinguished by pattern details and typically more southern distribution
Other Chlosyne speciesMultiple checkerspot overlap in range; precise pattern characters and geographic location required for identification

More Details

Larval feeding behavior

A 1994 observation in Wisconsin documented eight feeding in on Echinacea pallida, consuming upper leaf tissue while leaving lower intact—creating distinctive translucent 'windows' on the leaf surface.

Brood variation

The demonstrates clinal variation in , with in the north transitioning to trivoltine populations in the south. This pattern reflects to growing season length across the range.