Carpenterworm Moth
Prionoxystus robiniae (Peck, 1818)
Family: Cossidae
Subfamily: Cossinae
Identification: Forewing in female mottled gray and blackish, slightly translucent. Forewing in male less sharply mottled. Hindwing yellow with black outer border in male; no yellow in female.
Wing Span: 4.3-8.5 cm. Female larger than male.
Life History: Larva bores into wood, and the life cycle takes 3-4 years. Larval tunnels decrease the value of hardwood lumber.
Flight: April-October, mostly June-July.
Caterpillar Hosts: Ash, chestnut, locusts, oaks, poplars, willows, and other trees.
Adult Food:
Habitat:
Range: Throughout eastern North America.
Conservation:
NCGR:
Management Needs:
Comments: NULL
Alternate Scientific Names:
Prionoxystus robinae
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Verified Sightings
Displaying 25 - 48 of 225 verified sightings

Observation date: Jun 07, 2015
Submitted by: Treespirit
Region: Missoula County, Montana, United States
Verified by: davidwdroppers
Verified date: Aug 07, 2020

Observation date: Jun 19, 2020
Submitted by: wmeriii
Region: Saratoga County, New York, United States
Verified by: Sue Gregoire
Verified date: Jul 16, 2020

Observation date: Jun 08, 2020
Submitted by: anneepierce
Region: El Paso County, Colorado, United States
Verified by: charleseharp
Verified date: Jul 08, 2020

Observation date: Jul 06, 2020
Submitted by: Paul Doerder
Region: Holmes County, Ohio, United States
Verified by: rogerdowner
Verified date: Jul 06, 2020

Observation date: Jun 14, 2020
Submitted by: nightjarring
Region: Dickinson County, Kansas, United States
Verified by: stomlins701
Verified date: Jun 30, 2020

Observation date: Jun 24, 2020
Submitted by: Imamann2
Region: Virginia, United States
Verified by: rogerdowner
Verified date: Jun 25, 2020

Observation date: Jun 22, 2020
Submitted by: Brush_lady
Region: Benton County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 24, 2020

Observation date: Jun 20, 2020
Submitted by: KHFA
Region: Warren County, Kentucky, United States
Verified by: rogerdowner
Verified date: Jun 21, 2020

Observation date: Jun 19, 2020
Submitted by: Patricia Halbert
Region: Westchester County, New York, United States
Verified by: Sue Gregoire
Verified date: Jun 21, 2020

Observation date: Jun 20, 2020
Submitted by: dmccord
Region: Hamilton County, Indiana, United States
Verified by: rogerdowner
Verified date: Jun 21, 2020

Observation date: Jun 05, 2020
Submitted by: raburrows1984
Region: Talbot County, Maryland, United States
Verified by: rogerdowner
Verified date: Jun 13, 2020

Observation date: Aug 01, 2019
Submitted by: rob77897@gmail.com
Region: Manatee County, Florida, United States
Verified by: curtis.lehman
Verified date: May 04, 2020

Observation date: Mar 13, 2020
Submitted by: Peter Homann
Region: Leon County, Florida, United States
Verified by: curtis.lehman
Verified date: Mar 27, 2020

Observation date: Feb 26, 2020
Submitted by: Mikelchap
Region: Glynn County, Georgia, United States
Verified by: Mikelchap
Verified date: Feb 28, 2020

Observation date: Jun 30, 2019
Submitted by: J_Martineau
Region: Custer County, Montana, United States
Verified by: J_Martineau
Verified date: Dec 05, 2019

Observation date: Apr 25, 2019
Submitted by: Rose A. Payne
Region: Bibb County, Georgia, United States
Verified by: Mikelchap
Verified date: Nov 01, 2019

Observation date: Jun 18, 2019
Submitted by: billd
Region: Garfield County, Oklahoma, United States
Verified by: stomlins701
Verified date: Jul 22, 2019

Observation date: Jul 10, 2019
Submitted by: getherington
Region: Putnam County, New York, United States
Verified by: Sue Gregoire
Verified date: Jul 13, 2019

Observation date: Jul 06, 2019
Submitted by: fionakelly449
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jul 06, 2019

Observation date: Jul 03, 2019
Submitted by: Rick Welton
Region: Lake County, Indiana, United States
Verified by: Howell_Curtis
Verified date: Jul 03, 2019

Observation date: Jun 29, 2019
Submitted by: SJAlbaugh75
Region: Knox County, Ohio, United States
Verified by: rogerdowner
Verified date: Jul 02, 2019

Observation date: Jun 23, 2019
Submitted by: Mikelchap
Region: Glynn County, Georgia, United States
Verified by: Mikelchap
Verified date: Jun 26, 2019

Observation date: Jun 15, 2019
Submitted by: Quaker state mothing
Region: Plymouth County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Jun 17, 2019

Observation date: Jun 02, 2019
Submitted by: Jamiekrouse
Region: Charles County, Maryland, United States
Verified by: rogerdowner
Verified date: Jun 15, 2019
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