Black Swallowtail

(Papilio polyxenes)

Black Swallowtail sightings by week

Black Swallowtail sightings, by week (about)

Black SwallowtailClick to enlarge

Muir SNA, Marquette Co., WI. July 31, 1999.

Black SwallowtailClick to enlarge

Muir SNA, Marquette Co., WI. July 7, 2005.

Black SwallowtailClick to enlarge

Fond du Lac Co., WI. July 14, 2005.

Black SwallowtailClick to enlarge

Wautoma, Waushara Co., WI. June 28, 2002.

Black SwallowtailClick to enlarge

Ocracoke Island, Hyde Co., NC. March 26, 2007.

The Black Swallowtail is a common butterfly in Wisconsin. It commonly feeds on many different members of the Parsley family, including parsley, carrots, dill, and parsnip. It may also feed on Common Rue (Ruta graveolens) , a domesticated herb.

Identifying characteristics: Above: Black, with twin rows of yellowish spots on each wing. These markings are best defined in the male. Below: two rows of orange spots, and a yellow/orange hindwing cell spot, just to the inside of the submarginal band (orange colored in the top photo, this spot may be yellow or whitish).

Similar species: This species would most likely be confused with the Pipevine Swallowtail which has only a single row of spots below and the Spicebush Swallowtail which has an orange spot on the costa of the hind wing above, and no yellow/orange hindwing cell spot.

Habitat: Open areas; fields, meadows and parks where its larval hosts are found.

Flight: Two broods; early May and then in late July/August with the adults flying throughout August. A third brood may occur in the southern counties (Ebner, 1970).

Abundance: Common throughout the state.

Recent Black Swallowtail Sightings

Date seenCountyReported by
SundayDaneTod Highsmith
SaturdayIowaAnn Thering and Dave Eide
07–14–2008Green LakeMike Reese
07–12–2008OzaukeeJudith Huf
07–09–2008WaukeshaLaureanna Raymond-Duvernell
07–09–2008CrawfordMike Reese
07–09–2008DaneAnn Thering
07–04–2008DaneJorgen Goderstad

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distribution of Black Swallowtail
Map key

Black Swallowtail
Papilio polyxenes