Howarth's White
Ganyra howarthi (Dixey, 1915)
Family: Pieridae
Subfamily: Pierinae
Identification: Upperside white. Forewing with black wedges at apex and outer margins; black cell spot. Female forewing markings more diffuse, with additional postmedian black spots.
Wing Span: 1 3/4 - 1 7/8 inches (4.5 - 4.8 cm).
Life History: Not reported.
Flight: Throughout the year in Baja California.
Caterpillar Hosts: Atamisquea emarginata (Capparidaceae) in southern Arizona.
Adult Food: Flower nectar.
Habitat: Thorn forest and desert scrub.
Range: Along the coasts in the southern half of Baja California and Sonora, Mexico. Resident in extreme southern Arizona.
Conservation: Conserve habitat with host plants.
NCGR:
Management Needs: Refrain from destroying habitat in United States.
Comments: NULL
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Verified Sightings
Displaying 1 - 14 of 14 verified sightings
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_9770-a-web.jpg?itok=hpVNa06u)
Observation date: Aug 11, 2024
Submitted by: Charlie Doggett
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Aug 16, 2024
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_7915-a.jpg?itok=bREN-Sd5)
Observation date: Aug 01, 2024
Submitted by: Charlie Doggett
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Aug 08, 2024
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_7649-a.jpg?itok=dv9Q24O-)
Observation date: Jul 28, 2024
Submitted by: Charlie Doggett
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Aug 01, 2024
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/ganyra_howarthi_2_howarths_white.jpg?itok=kwVb-mZo)
Observation date: Jan 17, 2024
Submitted by: hasfitz5
Region: Baja California Sur, Mexico
Verified by: jwileyrains
Verified date: Apr 10, 2024
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/howarths_white_ganyra_howarthi_az_pima_county_-_organ_pipe_nm_march_23_2016d_female.jpg?itok=X7GLLg0N)
Observation date: Mar 23, 2016
Submitted by: Mark Salvato
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: Mar 10, 2023
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/ganyra_howarthi_1_howarths_white.jpg?itok=ZON_GRs2)
Observation date: Nov 01, 2021
Submitted by: hasfitz5
Region: Baja California Sur, Mexico
Verified by: Paul Prappas
Verified date: Oct 11, 2022
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/howarths-white2.jpg?itok=bh7VO9qx)
Observation date: Dec 19, 2017
Submitted by: Doug Backlund
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: Sep 03, 2022
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Sinaloa, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Observation date: unknown
Submitted by: legacy.reporter
Region: La Paz County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Baja California Norte, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Sonora, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Pima County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Baja California Sur, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004