Great Southern White
Ascia monuste (Linnaeus, 1764)
Family: Pieridae
Subfamily: Pierinae
Identification: Upper surface of male forewing white with black zigzag pattern on outer margin. Dry season female form resembles male with heavier black zigzag pattern and a small black spot in the wing cell. Wet-season female is darkened with black scales above and below.
Wing Span: 2 1/2 - 3 3/8 inches (6.3 - 8.6 cm).
Life History: Males patrol for females. Eggs are laid on the upper surface of host plant leaves in groups of about 20.
Flight: All year in South Texas, peninsular Florida, and along the Gulf Coast.
Caterpillar Hosts: Mustard family (Brassicaceae) plants including beach cabbage (Cakile maritima), cultivated cabbage and radish, peppergrass (Lepidium species); and plants in the caper family (Capparidaceae) including nasturtium.
Adult Food: Nectar from many species of flowers including saltwort, lantana, and verbena.
Habitat: Salt marshes, coastal dunes, open fields, and gardens.
Range: Resident of south Atlantic and Gulf coasts south through tropical America. Migratory along the Southeastern coast. Strays to Maryland, Kansas, and Colorado.
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 1 - 24 of 524 verified sightings

Observation date: May 30, 2023
Submitted by: Val_with_the_ow...
Region: Broward County, Florida, United States
Verified by: John Calhoun
Verified date: May 30, 2023

Observation date: Nov 02, 2022
Submitted by: ezeemonee
Region: El Salvador
Verified by: Paul Prappas
Verified date: May 28, 2023

Observation date: Mar 28, 2023
Submitted by: ezeemonee
Region: El Salvador
Verified by: Paul Prappas
Verified date: May 11, 2023

Observation date: May 05, 2023
Submitted by: birdlady1
Region: Collier County, Florida, United States
Verified by: John Calhoun
Verified date: May 07, 2023

Observation date: Mar 18, 2023
Submitted by: John Gibbons
Region: Pinellas County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 18, 2023

Observation date: Dec 03, 2022
Submitted by: Bill Uttenweiler
Region: Nayarit, Mexico
Verified by: Paul Prappas
Verified date: Feb 26, 2023

Observation date: Nov 19, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: jwileyrains
Verified date: Feb 26, 2023

Observation date: Dec 05, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: Paul Prappas
Verified date: Feb 25, 2023

Observation date: Dec 02, 2022
Submitted by: Bill Uttenweiler
Region: Jalisco, Mexico
Verified by: Paul Prappas
Verified date: Feb 25, 2023

Observation date: Nov 25, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: Paul Prappas
Verified date: Feb 25, 2023

Observation date: Feb 24, 2019
Submitted by: David F Smith
Region: Sinaloa, Mexico
Verified by: Paul Prappas
Verified date: Feb 25, 2023

Observation date: Nov 21, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: jwileyrains
Verified date: Feb 25, 2023

Observation date: Nov 19, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: jwileyrains
Verified date: Feb 25, 2023

Observation date: Nov 19, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: jwileyrains
Verified date: Feb 25, 2023

Observation date: Nov 13, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: jwileyrains
Verified date: Feb 25, 2023

Observation date: Nov 13, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: jwileyrains
Verified date: Feb 25, 2023

Observation date: Nov 13, 2022
Submitted by: jrmbutterfly
Region: Nayarit, Mexico
Verified by: jwileyrains
Verified date: Feb 25, 2023

Observation date: May 05, 2021
Submitted by: hasfitz5
Region: Quintana Roo, Mexico
Verified by: Paul Prappas
Verified date: Feb 12, 2023

Observation date: May 05, 2021
Submitted by: hasfitz5
Region: Quintana Roo, Mexico
Verified by: Paul Prappas
Verified date: Feb 12, 2023

Observation date: Jun 18, 2017
Submitted by: hasfitz5
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Feb 06, 2023

Observation date: Jan 19, 2023
Submitted by: WYbutterflyer1
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Feb 01, 2023

Observation date: Oct 27, 2022
Submitted by: tonzetich
Region: St. Lucia
Verified by: John Calhoun
Verified date: Jan 27, 2023

Observation date: Nov 13, 2022
Submitted by: guy_incognito
Region: Puerto Rico
Verified by: Paul Prappas
Verified date: Jan 26, 2023

Observation date: Jul 09, 2019
Submitted by: tirvine2020
Region: San Salvador, The Bahamas
Verified by: John Calhoun
Verified date: Dec 20, 2022
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