Julia Heliconian
Dryas iulia (Fabricius, 1775)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Forewings elongate. Male bright orange above and below; upperside of hindwing with narrow black border on outer margin. Female duller orange, with more black markings above.
Wing Span: 3 1/4 - 3 5/8 inches (8.2 - 9.2 cm).
Life History: Males patrol all day for receptive females. Eggs are laid singly on new growth; caterpillars feed on leaves. Adults forage along a set route of nectar sources each day in a behavior known as "trap-lining".
Flight: Throughout the year in southern Florida and South Texas, strays to the north in summer.
Caterpillar Hosts: Passion-vines including Passiflora lutea in Texas.
Adult Food: Nectar from flowers including lantana and shepherd\'s needle; probably others.
Habitat: Subtropical hammock openings and edges, and nearby fields.
Range: Resident in Brazil north through Central America, Mexico, West Indies, peninsular Florida, and South Texas. Strays north to eastern Nebraska.
Conservation: Not usually required, but habitat in South Texas is limited.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 224 verified sightings
Observation date: Jul 12, 2020
Submitted by: Mark Salvato
Region: Miami-Dade County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 26, 2021
Observation date: Jun 19, 2021
Submitted by: Mark Salvato
Region: Miami-Dade County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 11, 2021
Observation date: Aug 09, 2021
Submitted by: Mark Salvato
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 10, 2021
Observation date: Jul 29, 2021
Submitted by: Mark Salvato
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 05, 2021
Observation date: Jul 24, 2021
Submitted by: RPeacock
Region: Pinellas County, Florida, United States
Verified by: John Calhoun
Verified date: Jul 25, 2021
Observation date: Jun 23, 2021
Submitted by: smpazos
Region: Miami-Dade County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 23, 2021
Observation date: May 03, 2021
Submitted by: plawryniuk
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: May 04, 2021
Observation date: Feb 10, 2020
Submitted by: DVL
Region: Collier County, Florida, United States
Verified by: John Calhoun
Verified date: Apr 28, 2021
Observation date: Oct 30, 2020
Submitted by: gpstewart
Region: Hidalgo County, Texas, United States
Verified by: stomlins701
Verified date: Jan 01, 2021
Observation date: Dec 01, 2020
Submitted by: Ron Klowden
Region: Okeechobee County, Florida, United States
Verified by: John Calhoun
Verified date: Dec 16, 2020
Observation date: Nov 23, 2020
Submitted by: guy_incognito
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Nov 29, 2020
Observation date: Nov 22, 2020
Submitted by: Shearwater13
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Nov 29, 2020
Observation date: Aug 01, 2020
Submitted by: EberleMonarch
Region: Brazos County, Texas, United States
Verified by: stomlins701
Verified date: Sep 16, 2020
Observation date: Aug 21, 2020
Submitted by: Michael Weisensee
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 26, 2020
Observation date: Aug 22, 2020
Submitted by: Michael Weisensee
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 26, 2020
Observation date: Aug 22, 2020
Submitted by: Michael Weisensee
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 26, 2020
Observation date: Aug 22, 2020
Submitted by: Michael Weisensee
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 26, 2020
Observation date: Aug 20, 2020
Submitted by: Michael Weisensee
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 21, 2020
Observation date: Aug 21, 2020
Submitted by: Michael Weisensee
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 21, 2020
Observation date: Jul 28, 2018
Submitted by: Ron Smith
Region: Pinellas County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 10, 2020
Observation date: Jul 25, 2020
Submitted by: eroutside
Region: Broward County, Florida, United States
Verified by: John Calhoun
Verified date: Jul 26, 2020
Observation date: Jun 27, 2020
Submitted by: therapypetz
Region: Broward County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 27, 2020
Observation date: Apr 04, 2020
Submitted by: therapypetz
Region: Broward County, Florida, United States
Verified by: John Calhoun
Verified date: Apr 13, 2020
Observation date: Apr 08, 2020
Submitted by: MarieKubin
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Apr 08, 2020
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