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 241 - 264 of 358 verified sightings
Observation date: Feb 05, 2014
Submitted by: janazak
Region: Morelos, Mexico
Verified by: Doug Taron
Verified date: Apr 01, 2014
Observation date: Feb 05, 2014
Submitted by: janazak
Region: Morelos, Mexico
Verified by: Doug Taron
Verified date: Apr 01, 2014
Observation date: Jan 08, 2014
Submitted by: DJHiker
Region: Guantanamo, Cuba
Verified by: Doug Taron
Verified date: Mar 23, 2014
Observation date: Feb 11, 2014
Submitted by: Doug Taron
Region: Jalisco, Mexico
Verified by: Doug Taron
Verified date: Feb 24, 2014
Observation date: Jan 19, 2014
Submitted by: arthurgoldsmith
Region: Indian River County, Florida, United States
Verified by: John Calhoun
Verified date: Jan 21, 2014
Observation date: Aug 20, 1975
Submitted by: stomlins701
Region: Texas, Kendall County, United States
Verified by: stomlins701
Verified date: Nov 26, 2013
Observation date: Oct 20, 2013
Submitted by: John van Dort
Region: Francisco Morazán, Honduras
Verified by: John van Dort
Verified date: Oct 20, 2013
Observation date: Sep 29, 2013
Submitted by: mrbass111
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Oct 02, 2013
Observation date: Jul 31, 2013
Submitted by: Lou Perez
Region: Palm Beach County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 01, 2013
Observation date: Jan 13, 2013
Submitted by: Mark Salvato
Region: Indian River County, Florida, United States
Verified by: John Calhoun
Verified date: Aug 01, 2013
Observation date: Apr 17, 2012
Submitted by: Nancy LaFramboise
Region: Martin County, Florida, United States
Verified by: John Calhoun
Verified date: Jul 25, 2013
Observation date: May 20, 2013
Submitted by: gjnpjgn
Region: Miami-Dade County, Florida, United States
Verified by: curtis.lehman
Verified date: May 25, 2013
Observation date: Jun 11, 2010
Submitted by: sobrien
Region: Darién Province, Panama
Verified by: Doug Taron
Verified date: Apr 15, 2013
Observation date: Oct 06, 2010
Submitted by: Doug Taron
Region: Veracruz-Llave, Mexico
Verified by: Doug Taron
Verified date: Jan 29, 2013
Observation date: Feb 16, 2010
Submitted by: jeffmci9
Region: Quintana Roo, Mexico
Verified by: John van Dort
Verified date: Dec 19, 2012
Observation date: Nov 08, 2011
Submitted by: donduck
Region: Palm Beach County, Florida, United States
Verified by: John Calhoun
Verified date: Dec 07, 2012
Observation date: Oct 08, 2012
Submitted by: Harry Forbes
Region: Jackson County, Texas, United States
Verified by: kmortensen
Verified date: Nov 12, 2012
Observation date: Oct 15, 2012
Submitted by: bentert
Region: Collier County, Florida, United States
Verified by: John Calhoun
Verified date: Nov 07, 2012
Observation date: Sep 22, 2012
Submitted by: MandRHonig
Region: Texas, Waller County, United States
Verified by: kmortensen
Verified date: Sep 28, 2012
Observation date: Jul 24, 2012
Submitted by: Jeniffer_A
Region: San Salvador, El Salvador
Verified by: John van Dort
Verified date: Sep 03, 2012
Observation date: Jun 06, 2012
Submitted by: LLJohnson
Region: Dominican Republic
Verified by: Jackie Miller
Verified date: Jul 03, 2012
Observation date: May 18, 2012
Submitted by: jomarlin
Region: Palm Beach County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 15, 2012
Observation date: Apr 07, 2012
Submitted by: Kari
Region: Lee County, Florida, United States
Verified by: John Calhoun
Verified date: Apr 27, 2012
Observation date: Feb 14, 2008
Submitted by: suedavies28
Region: Palm Beach County, Florida, United States
Verified by: John Calhoun
Verified date: Feb 27, 2012
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