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.
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Verified Sightings
Displaying 49 - 72 of 299 verified sightings
Observation date: Jan 25, 2022
Submitted by: Sue Bocchicchio
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Jul 12, 2022
Observation date: Sep 09, 2015
Submitted by: mborn12
Region: Heredia, Costa Rica
Verified by: Charlie Doggett
Verified date: Jun 29, 2022
Observation date: Feb 09, 2020
Submitted by: Paul N
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Jun 26, 2022
Observation date: Dec 25, 2021
Submitted by: brandonlloyd
Region: Jalisco, Mexico
Verified by: Doug Taron
Verified date: Jun 16, 2022
Observation date: Jan 04, 2007
Submitted by: BarbSendelbach
Region: Monroe County, Florida, United States
Verified by: BarbSendelbach
Verified date: Jun 09, 2022
Observation date: May 07, 2022
Submitted by: Brian Ahern
Region: Miami-Dade County, Florida, United States
Verified by: John Calhoun
Verified date: May 09, 2022
Observation date: Apr 20, 2018
Submitted by: Brian Ahern
Region: Hillsborough County, Florida, United States
Verified by: John Calhoun
Verified date: May 09, 2022
Observation date: May 03, 2022
Submitted by: therapypetz
Region: Broward County, Florida, United States
Verified by: curtis.lehman
Verified date: May 09, 2022
Observation date: Sep 29, 2018
Submitted by: Brian Ahern
Region: Clay County, Florida, United States
Verified by: John Calhoun
Verified date: May 05, 2022
Observation date: Apr 08, 2022
Submitted by: Craig M Lipski
Region: Cameron County, Texas, United States
Verified by: stomlins701
Verified date: Apr 12, 2022
Observation date: May 23, 2021
Submitted by: Lani57
Region: Indian River County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 16, 2022
Observation date: Feb 05, 2022
Submitted by: mtobin11
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 10, 2022
Observation date: Feb 02, 2022
Submitted by: mtobin11
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 08, 2022
Observation date: Nov 17, 2011
Submitted by: Joceb2005
Region: Collier County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 08, 2022
Observation date: Jan 19, 2022
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Jan 20, 2022
Observation date: Dec 30, 2021
Submitted by: PPorterfield
Region: Hays County, Texas, United States
Verified by: stomlins701
Verified date: Jan 07, 2022
Observation date: May 29, 2019
Submitted by: reupurtbones
Region: Warren County, Kentucky, United States
Verified by: CA Ivy
Verified date: Jan 05, 2022
Observation date: Dec 25, 2021
Submitted by: pkondrashov
Region: Miami-Dade County, Florida, United States
Verified by: John Calhoun
Verified date: Jan 02, 2022
Observation date: Nov 19, 2021
Submitted by: mtobin11
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Dec 16, 2021
Observation date: Sep 24, 2016
Submitted by: Mark Salvato
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Dec 10, 2021
Observation date: Sep 23, 2003
Submitted by: heinert
Region: District of Columbia, United States
Verified by: Allen B
Verified date: Nov 18, 2021
Observation date: May 20, 2017
Submitted by: Mark Salvato
Region: Miami-Dade County, Florida, United States
Verified by: John Calhoun
Verified date: Nov 02, 2021
Observation date: Mar 23, 2019
Submitted by: Mark Salvato
Region: Indian River County, Florida, United States
Verified by: John Calhoun
Verified date: Oct 16, 2021
Observation date: Aug 17, 2019
Submitted by: Mark Salvato
Region: Palm Beach County, Florida, United States
Verified by: John Calhoun
Verified date: Oct 16, 2021
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