White-marked Tussock Moth
Orgyia leucostigma (J E Smith, 1797)
Family: Erebidae
Subfamily: Lymantriinae
Identification: Similar to Orgyia definita. Females of these species can only be distinguished by identifying associated males. Wings usually grayer in male of this species median area usually paler. Blackish patch near apex smaller, with no light streaks below it. White spot accents lower st. line, as in male Orgyia definita.
Wing Span: 2.5-3.5 cm (male). Female lacks wings.
Life History: Sometimes a pest on Christmas tree plantations northward in its range.
Flight: June-November (2 broods usually June-August and August-November). One brood (August-October) in far northeastern range.
Caterpillar Hosts: Over 140 known hosts, including alder, apple, balsam fir, birches, and larch.
Adult Food:
Habitat:
Range: Throughout Eastern North America.
Conservation:
NCGR:
Management Needs:
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Verified Sightings
Displaying 1 - 24 of 1092 verified sightings
Observation date: Nov 09, 2025
Submitted by: Cheri Pierce
Region: Hamilton County, Tennessee, United States
Verified by: rogerdowner
Verified date: Nov 09, 2025
Observation date: Sep 15, 2025
Submitted by: naj.pilla
Region: Warren County, Indiana, United States
Verified by: rogerdowner
Verified date: Oct 29, 2025
Observation date: Sep 09, 2025
Submitted by: naj.pilla
Region: Elkhart County, Indiana, United States
Verified by: rogerdowner
Verified date: Oct 20, 2025
Observation date: Oct 10, 2025
Submitted by: drmarc60223
Region: La Crosse County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Oct 15, 2025
Observation date: Sep 29, 2025
Submitted by: hauntedlyharvest
Region: Wisconsin, United States
Verified by: Ilona L.
Verified date: Sep 29, 2025
Observation date: Sep 21, 2025
Submitted by: gjkoppel
Region: Butler County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Sep 22, 2025
Observation date: Jul 13, 2025
Submitted by: naj.pilla
Region: Ottawa County, Michigan, United States
Verified by: jwileyrains
Verified date: Sep 22, 2025
Observation date: Sep 20, 2025
Submitted by: Colleen K
Region: Robertson County, Tennessee, United States
Verified by: rogerdowner
Verified date: Sep 21, 2025
Observation date: Sep 03, 2025
Submitted by: RobC304
Region: Jefferson County, West Virginia, United States
Verified by: curtis.lehman
Verified date: Sep 17, 2025
Observation date: Sep 10, 2025
Submitted by: Christine Stanke
Region: Ozaukee County, Wisconsin, United States
Verified by: jwileyrains
Verified date: Sep 10, 2025
Observation date: Aug 29, 2025
Submitted by: Sometimes
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Aug 30, 2025
Observation date: Aug 27, 2025
Submitted by: drifter423
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Aug 30, 2025
Observation date: Aug 20, 2025
Submitted by: FunnyValentine
Region: Sumner County, Tennessee, United States
Verified by: jwileyrains
Verified date: Aug 24, 2025
Observation date: Jun 06, 2025
Submitted by: actuallyamagpie
Region: Hamilton County, Ohio, United States
Verified by: rogerdowner
Verified date: Aug 23, 2025
Observation date: Aug 14, 2025
Submitted by: drifter423
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Aug 16, 2025
Observation date: Aug 04, 2025
Submitted by: llawyer@indy.rr.com
Region: Hendricks County, Indiana, United States
Verified by: rogerdowner
Verified date: Aug 09, 2025
Observation date: Aug 01, 2025
Submitted by: rapids
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Aug 03, 2025
Observation date: Jul 18, 2025
Submitted by: lvj
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Jul 20, 2025
Observation date: Jul 04, 2025
Submitted by: cp2023
Region: Connecticut, United States
Verified by: jwileyrains
Verified date: Jul 16, 2025
Observation date: Jun 28, 2025
Submitted by: Bradleysogoba
Region: Franklin County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Jun 28, 2025
Observation date: Jun 02, 2025
Submitted by: Yrrahhsa
Region: Northumberland County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jun 03, 2025
Observation date: Sep 09, 2024
Submitted by: Dave Webb
Region: Sussex County, Delaware, United States
Verified by: rogerdowner
Verified date: Apr 01, 2025
Observation date: Sep 30, 2024
Submitted by: rapids
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Oct 17, 2024
Observation date: Sep 26, 2024
Submitted by: dnight30
Region: Carroll County, New Hampshire, United States
Verified by: rogerdowner
Verified date: Oct 17, 2024
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