Nevada buckmoth
Hemileuca nevadensis Stretch, 1872
Family: Saturniidae
Subfamily: Hemileucinae
Identification: Females are larger than males. Male abdomen is black with a red tip, female abdomen is black. Upperside of wings is creamy white with wide black borders and black on the costal edges and wing bases. Each wing has a small black eyespot and some pale yellow streaks in the white portion.
Wing Span: 2 - 2 1/2 inches (5 - 7 cm).
Life History: Adults emerge just after dawn and mating begins in late morning. Females lay eggs in the early afternoon in rings around twigs of the host plants. Eggs overwinter and hatch in the spring. Young caterpillars feed in groups and older caterpillars feed alone. Caterpillars spin loose cocoons in plant litter under the host plants.
Flight: One brood from September-December.
Caterpillar Hosts: A variety of willows (Salix) and cottonwoods (Populus).
Adult Food: Adults do not feed.
Habitat: Riparian zones and areas with high groundwater.
Range: Wisconsin west across southern Canada to central Oregon; south through central Nebraska to New Mexico, northern Arizona, northern Nevada, and inland southern California.
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: Occasional large outbreaks can defoliate poplar and cottonwood stands.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 111 verified sightings
Observation date: May 01, 2024
Submitted by: hasfitz5
Region: Otero County, New Mexico, United States
Verified by: jwileyrains
Verified date: Jun 04, 2024
Observation date: Mar 28, 2024
Submitted by: Pheasantboy77
Region: Eddy County, New Mexico, United States
Verified by: jwileyrains
Verified date: Apr 07, 2024
Observation date: Mar 28, 2024
Submitted by: Pheasantboy77
Region: Eddy County, New Mexico, United States
Verified by: jwileyrains
Verified date: Apr 07, 2024
Observation date: Sep 17, 2023
Submitted by: Sharon Watson
Region: Becker County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Sep 23, 2023
Observation date: Sep 29, 2020
Submitted by: naj.pilla
Region: Noble County, Indiana, United States
Verified by: jwileyrains
Verified date: Sep 13, 2023
Observation date: Aug 03, 2018
Submitted by: Raven923
Region: Taos County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 26, 2023
Observation date: Nov 05, 2014
Submitted by: James Lofton
Region: Roosevelt County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 23, 2023
Observation date: Nov 04, 2019
Submitted by: bonfrey
Region: Socorro County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 22, 2023
Observation date: Oct 23, 2021
Submitted by: Cactuswren1976
Region: Socorro County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 22, 2023
Observation date: Oct 13, 2022
Submitted by: Cascade Colors
Region: Arapahoe County, Colorado, United States
Verified by: charleseharp
Verified date: Oct 23, 2022
Observation date: Jun 10, 2022
Submitted by: JMJaskula
Region: Newton County, Indiana, United States
Verified by: rogerdowner
Verified date: Jun 12, 2022
Observation date: Apr 30, 2017
Submitted by: Ppdiablo
Region: Riverside County, California, United States
Verified by: jwileyrains
Verified date: Feb 26, 2022
Observation date: Jul 13, 2017
Submitted by: Abigailzehm
Region: Washburn County, Wisconsin, United States
Verified by: BarbSendelbach
Verified date: Dec 31, 2021
Observation date: Oct 27, 2021
Submitted by: Robert Gorman
Region: Riverside County, California, United States
Verified by: ishaan2009
Verified date: Oct 28, 2021
Observation date: Nov 06, 2017
Submitted by: Kristin S
Region: Riverside County, California, United States
Verified by: ishaan2009
Verified date: Oct 21, 2021
Observation date: Oct 05, 2021
Submitted by: MAKI
Region: Millard County, Utah, United States
Verified by: J_Martineau
Verified date: Oct 14, 2021
Observation date: Sep 28, 2021
Submitted by: Stylurus
Region: Hillsdale County, Michigan, United States
Verified by: Mark Wheeler
Verified date: Sep 28, 2021
Observation date: Oct 08, 2017
Submitted by: danfosco
Region: Arapahoe County, Colorado, United States
Verified by: charleseharp
Verified date: Dec 04, 2017
Observation date: Jun 14, 2017
Submitted by: michaeloberg
Region: Monona County, Iowa, United States
Verified by: jamesdurbin
Verified date: Jul 13, 2017
Observation date: Jun 14, 2017
Submitted by: michaeloberg
Region: Monona County, Iowa, United States
Verified by: jamesdurbin
Verified date: Jul 13, 2017
Observation date: Sep 24, 2016
Submitted by: tsarel
Region: Burnett County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Oct 08, 2016
Observation date: Sep 28, 2015
Submitted by: michaeloberg
Region: Monona County, Iowa, United States
Verified by: jamesdurbin
Verified date: Oct 23, 2015
Observation date: Sep 20, 2015
Submitted by: Goodlooking
Region: Manitoba, Canada
Verified by: Tom Middagh
Verified date: Sep 23, 2015
Observation date: Sep 22, 2015
Submitted by: safechrisLaurie
Region: Isanti County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Sep 23, 2015
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