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 265 - 288 of 359 verified sightings
Observation date: Feb 14, 2008
Submitted by: suedavies28
Region: Palm Beach County, Florida, United States
Verified by: John Calhoun
Verified date: Feb 27, 2012
Observation date: Dec 27, 2011
Submitted by: LLJohnson
Region: Dominican Republic
Verified by: John Calhoun
Verified date: Jan 22, 2012
Observation date: Dec 26, 2011
Submitted by: tomfishburn
Region: Florida, United States
Verified by: John Calhoun
Verified date: Jan 16, 2012
Observation date: Nov 12, 2007
Submitted by: dmtaggart
Region: Quintana Roo, Mexico
Verified by: paulopler
Verified date: Aug 10, 2011
Observation date: Feb 19, 2011
Submitted by: MGibeau
Region: Dominican Republic
Verified by: kimgarwood
Verified date: Jun 12, 2011
Observation date: Feb 28, 2007
Submitted by: Naseem Reza
Region: Nayarit, Mexico
Verified by: paulopler
Verified date: May 03, 2011
Observation date: Oct 04, 1975
Submitted by: dondubois
Region: Texas, Uvalde County, United States
Verified by: kmortensen
Verified date: Mar 02, 2011
Observation date: Oct 21, 2007
Submitted by: dondubois
Region: Texas, Montgomery County, United States
Verified by: kmortensen
Verified date: Jan 19, 2011
Observation date: unknown
Submitted by: BAMONA (Marian Mendez)
Region: Miami-Dade County, Florida, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Marian Mendez)
Region: Miami-Dade County, Florida, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Marian Mendez)
Region: Miami-Dade County, Florida, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Marian Mendez)
Region: Miami-Dade County, Florida, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Marian Mendez)
Region: Miami-Dade County, Florida, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Marian Mendez)
Region: Miami-Dade County, Florida, United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Stephanie Sanchez)
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Stephanie Sanchez)
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Stephanie Sanchez)
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Stephanie Sanchez)
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Stephanie Sanchez)
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Stephanie Sanchez)
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Jun 16, 2001
Submitted by: legacy.reporter (McMahon, Jerri)
Region: Muskogee County, Oklahoma, United States
Verified by: legacy.verifier (Nelson, John M.)
Verified date: Apr 03, 2009
Observation date: Sep 23, 1985
Submitted by: legacy.reporter (McClellan, D.)
Region: Cherokee County, Oklahoma, United States
Verified by: legacy.verifier (Nelson, John M.)
Verified date: Apr 03, 2009
Observation date: Oct 25, 2007
Submitted by: legacy.reporter (Heck, Berlin)
Region: McCurtain County, Oklahoma, United States
Verified by: legacy.verifier (Nelson, John M.)
Verified date: Apr 03, 2009
Observation date: Nov 17, 2007
Submitted by: legacy.reporter (Bill Dempwolf)
Region: Fayette County, Texas, United States
Verified by: legacy.verifier (Bill Dempwolf)
Verified date: Jan 08, 2008
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