Juno buckmoth
Hemileuca juno Packard, 1872
Family: Saturniidae
Subfamily: Hemileucinae
Identification: Female is larger than the male. Male abdomen is black with the rear half red, female abdomen is black. Upperside of forewing of both sexes is black with a band of white spots and a white streak along the costa near the base. Male hindwing is usually solid black and the female hindwing normally has some white spots, although these characteristics are variable.
Wing Span: 2 1/2 - 3 1/8 inches (6.4 - 8 cm).
Life History: In the fall, adults emerge from their cocoons in the morning and mating occurs in the afternoon. Females lay eggs from late afternoon until sunset; the eggs overwinter and hatch in April or May. Young caterpillars feed in groups on buds and flowers in the mornings, usually resting among branches during the afternoons. Development is rapid, and caterpillars spin cocoons in leaf litter in May or June. Most of these will emerge as adults in the fall, but some may delay emergence for up to 4 years.
Flight: One brood from late September to early December.
Caterpillar Hosts: Various mesquite (Prosopis) species.
Adult Food: Adults do not feed.
Habitat: Desert scrub and mesquite woodlands.
Range: El Paso, Texas west across central and southwestern New Mexico through southern Arizona, and south into Sonora, Mexico.
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 reported.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 27 verified sightings
Observation date: May 15, 2024
Submitted by: Hutch
Region: Sierra County, New Mexico, United States
Verified by: jwileyrains
Verified date: May 18, 2024
Observation date: Nov 17, 2021
Submitted by: magpie
Region: Pima County, Arizona, United States
Verified by: kellyrichers
Verified date: Sep 26, 2022
Observation date: Apr 29, 2020
Submitted by: KennedyVailAz
Region: Pima County, Arizona, United States
Verified by: jwileyrains
Verified date: Feb 07, 2022
Observation date: Nov 15, 2019
Submitted by: magpie
Region: Pima County, Arizona, United States
Verified by: kellyrichers
Verified date: Aug 04, 2020
Observation date: Mar 26, 2015
Submitted by: jlboone@aol.com
Region: Clark County, Nevada, United States
Verified by: Robert Martin
Verified date: Jul 18, 2015
Observation date: Oct 30, 2012
Submitted by: John Saba
Region: Cochise County, Arizona, United States
Verified by: kellyrichers
Verified date: Nov 02, 2012
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: May 21, 1975
Submitted by: legacy.reporter (Michael D. VanBuskirk)
Region: Santa Cruz County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: Nov 19, 1998
Submitted by: legacy.reporter (James P. Tuttle)
Region: Santa Cruz County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: May 03, 1981
Submitted by: legacy.reporter (Michael J. Smith)
Region: Pima County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: Nov 02, 1973
Submitted by: legacy.reporter (Michael D. VanBuskirk)
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: Nov 14, 1981
Submitted by: legacy.reporter (Michael J. Smith)
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: May 17, 1985
Submitted by: legacy.reporter (James P. Tuttle)
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: unknown
Submitted by: legacy.reporter
Region: Otero County, New Mexico, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Maricopa County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Yavapai County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Sonora, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Gila County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Socorro County, New Mexico, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pima County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Yuma County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Apache County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Doña Ana County, New Mexico, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: La Paz County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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