Spicebush Swallowtail
Papilio troilus Linnaeus, 1758
Family: Papilionidae
Subfamily: Papilioninae
Identification: Upper surface of forewing is mostly black with ivory spots along margin. Upper surface of hindwing has orange spot on costal margin and sheen of bluish (female) or bluish-green (male) scales. Underside of hindwing with pale green marginal spots.
Wing Span: 3 - 4 inches (7.5 - 10 cm).
Life History: Males patrol in woods, roads and woodland edges to find receptive females. Females lay single eggs on underside of host plant leaves. Caterpillars live in shelters of folded-over leaves and come out to feed at night. Some chrysalids from each generation hibernate.
Flight: 2 generations per year from April-October. In Florida, several generations between March-December.
Caterpillar Hosts: Spicebush (Lindera benzoin), sassafras trees (Sassafras albidum); perhaps prickly ash (Zanthoxylum americanum), tulip tree (Liriodendron tulipifera), sweetbay (Magnolia virginiana), camphor (Cinnamomum camphora), and redbay (Persea borbonia).
Adult Food: Nectar from Japanese honeysuckle, jewelweed, thistles, milkweed, azalea, dogbane, lantana, mimosa, and sweet pepperbush.
Habitat: Deciduous woodlands, fields, roadsides, yards, pine barrens, wooded swamps, and parks.
Range: Eastern states from southern Canada to Florida; west to Oklahoma and central Texas. Occasionally strays to North Dakota, central Colorado, and Cuba.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None noted.
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Verified Sightings
Displaying 97 - 120 of 7816 verified sightings
Observation date: Aug 12, 2023
Submitted by: rtsmith
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Aug 15, 2023
Observation date: Aug 29, 2021
Submitted by: cp2023
Region: Fairfield County, Connecticut, United States
Verified by: jwileyrains
Verified date: Aug 15, 2023
Observation date: Aug 12, 2023
Submitted by: maryjanzen
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Aug 14, 2023
Observation date: Aug 13, 2023
Submitted by: jmgesell
Region: Northampton County, Pennsylvania, United States
Verified by: davidwright
Verified date: Aug 14, 2023
Observation date: Jul 16, 2022
Submitted by: Michelleb62
Region: Kent County, Rhode Island, United States
Verified by: Harry Pavulaan
Verified date: Aug 14, 2023
Observation date: Aug 12, 2023
Submitted by: Alison Davies
Region: Lexington County, South Carolina, United States
Verified by: Dennis Forsythe
Verified date: Aug 13, 2023
Observation date: Aug 09, 2023
Submitted by: altoonamothlady
Region: Marion County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 12, 2023
Observation date: Aug 05, 2023
Submitted by: Steven Wilson
Region: Webster County, West Virginia, United States
Verified by: curtis.lehman
Verified date: Aug 12, 2023
Observation date: Aug 11, 2023
Submitted by: ButterBelle
Region: Putnam County, Tennessee, United States
Verified by: James Steen
Verified date: Aug 11, 2023
Observation date: Aug 07, 2023
Submitted by: hclancy
Region: Bronx County, New York, United States
Verified by: jmgesell
Verified date: Aug 09, 2023
Observation date: Jun 09, 2022
Submitted by: Barometz
Region: Monroe County, Indiana, United States
Verified by: rogerdowner
Verified date: Aug 06, 2023
Observation date: Jun 05, 2023
Submitted by: Barometz
Region: Hendricks County, Indiana, United States
Verified by: jmgesell
Verified date: Aug 05, 2023
Observation date: Aug 04, 2023
Submitted by: xBISsped6
Region: Barnstable County, Massachusetts, United States
Verified by: jwileyrains
Verified date: Aug 05, 2023
Observation date: Aug 01, 2023
Submitted by: ButterBelle
Region: Putnam County, Tennessee, United States
Verified by: James Steen
Verified date: Aug 02, 2023
Observation date: Aug 02, 2023
Submitted by: ButterBelle
Region: Putnam County, Tennessee, United States
Verified by: James Steen
Verified date: Aug 02, 2023
Observation date: Aug 01, 2023
Submitted by: maryjanzen
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Aug 02, 2023
Observation date: Jul 30, 2023
Submitted by: maryjanzen
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Aug 01, 2023
Observation date: Jul 30, 2023
Submitted by: RLS
Region: Monroe County, New York, United States
Verified by: jmgesell
Verified date: Jul 31, 2023
Observation date: Jul 30, 2023
Submitted by: Dawn Cavalieri
Region: Bronx County, New York, United States
Verified by: jmgesell
Verified date: Jul 30, 2023
Observation date: Jul 25, 2023
Submitted by: ian pepper
Region: Essex County, Massachusetts, United States
Verified by: jwileyrains
Verified date: Jul 30, 2023
Observation date: Jul 29, 2023
Submitted by: Colleen K
Region: Robertson County, Tennessee, United States
Verified by: James Steen
Verified date: Jul 29, 2023
Observation date: Jul 19, 2023
Submitted by: Mapper
Region: Johnson County, Illinois, United States
Verified by: rogerdowner
Verified date: Jul 29, 2023
Observation date: Jul 26, 2023
Submitted by: Cascade Colors
Region: Cumberland County, Tennessee, United States
Verified by: James Steen
Verified date: Jul 27, 2023
Observation date: Jul 25, 2023
Submitted by: Julesanne
Region: Garrett County, Maryland, United States
Verified by: jwileyrains
Verified date: Jul 25, 2023
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