Species Page: Eastern Tiger Swallowtail (Pterourus glaucus)

Eastern Tiger Swallowtail

Pterourus glaucus (Linnaeus, 1758)

Family: Papilionidae

Status: Common resident

NENHP Ranking: Not listed

Range: The Eastern Tiger Swallowtail is found from the east coast of the United States west into the Dakotas, Nebraska, Kansas, Oklahoma and Texas. In Nebraska it is found throughout the state, although less frequently in the west.

Larval Hostplant(s): Green Ash (Fraxinus pensylvanica) and Chokecherry (Prunus virginiana) are used almost exclusively in our area.

Broods/Flight Times: Multiple broods from early April into late September.

Overwintering: As pupae.

Habitat: Wide ranging, equally at home in prairies, woodland margins and urban environments.

Avg. Wingspan: 2 1/2 – 4 1/2 inches.

Found at:

Similar Species: Two tailed, Black and Pipevine Swallowtails.

Notes: There are dark moph females that mimic distasteful Pipevine Swallowtails.