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 25 - 48 of 108 verified sightings
Observation date: Oct 13, 2013
Submitted by: tjantscher
Region: Monona County, Iowa, United States
Verified by: jamesdurbin
Verified date: Feb 12, 2014
Observation date: Sep 22, 2013
Submitted by: Goodlooking
Region: Manitoba, Canada
Verified by: Tom Middagh
Verified date: Sep 25, 2013
Observation date: Jul 02, 2012
Submitted by: tjantscher
Region: Anoka County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jan 08, 2013
Observation date: Sep 24, 2012
Submitted by: Prairie Wetland...
Region: Otter Tail County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Oct 06, 2012
Observation date: Jun 25, 2012
Submitted by: Prairie Wetland...
Region: Otter Tail County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Sep 08, 2012
Observation date: unknown
Submitted by: BAMONA (Steve Stone)
Region: United States
Verified by: BAMONA
Verified date: Aug 11, 2011
Observation date: unknown
Submitted by: BAMONA (Leroy Simon)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: BAMONA (Leroy Simon)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Jun 07, 2010
Submitted by: legacy.reporter (Lauren Wustenberg)
Region: Dakota County, Minnesota, United States
Verified by: Tom Middagh (Tom Middagh)
Verified date: Aug 03, 2010
Observation date: Jun 20, 2009
Submitted by: legacy.reporter (Emily Tenczar & Marcie O'Connor)
Region: Hennepin County, Minnesota, United States
Verified by: Tom Middagh (Tom Middagh)
Verified date: Jan 06, 2010
Observation date: May 23, 1987
Submitted by: legacy.reporter (Michael J. Smith)
Region: Coconino County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: Jul 14, 1998
Submitted by: legacy.reporter (Merrill A. Peterson)
Region: Grant County, Washington, United States
Verified by: legacy.verifier (Merrill A. Peterson)
Verified date: Dec 28, 2007
Observation date: unknown
Submitted by: legacy.reporter
Region: Dundy County, Nebraska, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Lassen County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Washoe County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Adams County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Payne County, Oklahoma, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Washington County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Washington County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Macon County, Illinois, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Roscommon County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Beltrami County, Minnesota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Sioux County, Nebraska, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Merced County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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