Attributes of Lymantria dispar

Gypsy Moth
Lymantria dispar (Linnaeus, 1758)

Family: Erebidae
Subfamily: Lymantriinae
Identification: Sexually dimorphic: female much larger and lighter in color. Forewing brown with yellowish overlay in male. Hindwing yellowish to reddish brown. Reniform spot consists of three black spots (usually merged) in both sexes; black orbicular dot also present. Wings whitish in female, with deeply scalloped gray lines and black spots. Terminal line a series of black dots on forewing and hindwing.
Wing Span: 3-4 cm in males; 5.6-6.7 cm in females.
Life History: Larvae can defoliate large tracts of forests in peak years. In woods where larvae are numerous, you can actually hear them feeding.
Flight:
Caterpillar Hosts: Oaks are preferred. Also alder, apple, basswood, birches, box elder, hawthorn, hazelnut, larch, mountain-ash, poplars, rose bushes, sumac, willows, and witch-hazel.
Adult Food:
Habitat: Forests.
Range: Deliberately introduced from Europe at Medford, Massachusetts in 1868 or 1869 by Leopold Trouvelot, who hoped to raise this moth for silk production. Now, established from Nova Scotia to North Carolina and Florida, west to Michigan, Illinois, and Missouri. Range is expanding.
Conservation:
NCGR:
Management Needs:
Taxonomy Notes:

Images of Lymantria dispar

Click on an image to view full size and to see additional details.



Lymantria dispar - lymantria_dispar_2010_07_16_farm_022.jpg

Lymantria dispar - lymantria_dispar_2010_07_16_farm_022.jpg
Lymantria dispar - lymantria_dispar_2010_07_16_farm_020.jpg

Lymantria dispar - lymantria_dispar_2010_07_16_farm_020.jpg
Lymantria dispar - Lymantria-dispar-Bob-Moul-327.jpg

Lymantria dispar - Lymantria-dispar-Bob-Moul-327.jpg
Lymantria dispar - Lymantria-dispar-Bob-Moul-328.jpg

Lymantria dispar - Lymantria-dispar-Bob-Moul-328.jpg
Lymantria dispar - Lymantria_dispar-ValSullivan.jpg

Lymantria dispar - Lymantria_dispar-ValSullivan.jpg
Lymantria dispar - Lymantria-dispar-Bob-Moul-329.jpg

Lymantria dispar - Lymantria-dispar-Bob-Moul-329.jpg

The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

How to use the map:
Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
To change which map layers are displayed, click on the plus sign [+] on the right side of the map and turn on/off the data layers and base layers.

*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

See more recently verified sightings of all species.

You don't have Javascript enabled. Hover for more information! But don't worry: you can still use this web site! You have two options:
  • enable Javascript in your browser and then refresh this page, for a much enhanced experience.
  • click the Update button every time you want to update the selection.
Observation Date Submitter Region Verified Datesort icon
July 23, 2016 julmast Elkhart County, Indiana, United States August 18, 2016 Details
August 12, 2016 Aboover Knox County, Maine, United States August 15, 2016 Details
August 04, 2016 franpope Garrett County, Maryland, United States August 08, 2016 Details
July 31, 2016 Joe Bartok Ontario, Canada July 31, 2016 Details
July 29, 2016 m.woods41@comcast.net Barnstable County, Massachusetts, United States July 30, 2016 Details
July 21, 2016 iangardner Lebanon County, Pennsylvania, United States July 28, 2016 Details
July 27, 2016 bws20 Hillsborough County, New Hampshire, United States July 27, 2016 Details
July 26, 2016 EPIMEDIUM McHenry County, Illinois, United States July 26, 2016 Details
July 21, 2016 dendroica5 Hampshire County, Massachusetts, United States July 24, 2016 Details
July 23, 2016 Joe Bartok Ontario, Canada July 23, 2016 Details
July 06, 2016 dendroica5 Hampshire County, Massachusetts, United States July 18, 2016 Details
July 15, 2016 Aboover Knox County, Maine, United States July 18, 2016 Details
July 16, 2016 Dogsledding101 Ontario, Canada July 17, 2016 Details
July 05, 2016 dendroica5 Hampshire County, Massachusetts, United States July 16, 2016 Details
June 24, 2015 digginflowers Dauphin County, Pennsylvania, United States July 13, 2016 Details
July 13, 2016 digginflowers Lebanon County, Pennsylvania, United States July 13, 2016 Details
July 07, 2016 disteffv Lehigh County, Pennsylvania, United States July 09, 2016 Details
June 29, 2016 Tindomul1of9 Orange County, New York, United States July 07, 2016 Details
July 21, 2015 Dawn Lapp Saratoga County, New York, United States June 25, 2016 Details
June 09, 2016 tytaytod Bland County, Virginia, United States June 09, 2016 Details
June 08, 2016 Nevakins Essex County, Massachusetts, United States June 08, 2016 Details
August 20, 2014 devjohnstone Nova Scotia, Canada May 30, 2016 Details
July 14, 2015 sh11 Ontario, Canada May 19, 2016 Details
June 19, 2015 curtis.lehman Bedford County, Pennsylvania, United States January 25, 2016 Details
July 17, 2015 curtis.lehman Virginia, United States, Warren County November 11, 2015 Details
June 05, 2015 Dogsledding101 Ontario, Canada November 04, 2015 Details
May 18, 2015 Gvrcdk Fairfield County, Connecticut, United States October 23, 2015 Details
May 26, 2015 Collzxo Suffolk County, New York, United States October 23, 2015 Details
May 28, 2015 Collzxo Suffolk County, New York, United States October 23, 2015 Details
June 03, 2015 joe123 New York, United States October 23, 2015 Details
June 05, 2015 jaredbb Providence County, Rhode Island, United States October 23, 2015 Details
June 08, 2015 Mommabear New Haven County, Connecticut, United States October 23, 2015 Details
June 23, 2015 Pauliesky Washington County, Rhode Island, United States October 23, 2015 Details
June 27, 2015 Finn4vt Washington County, Vermont, United States October 23, 2015 Details
July 11, 2015 TCat7187 Cecil County, Maryland, United States October 23, 2015 Details
June 19, 2014 Joe Bartok Ontario, Canada October 14, 2015 Details
August 01, 2015 Joe Bartok Ontario, Canada October 09, 2015 Details
June 22, 2015 Tombug Plymouth County, Massachusetts, United States October 07, 2015 Details
August 14, 2015 Chris Blomme Ontario, Canada September 15, 2015 Details
August 03, 2015 Sunrisegardener Ontario, Canada September 05, 2015 Details
July 21, 2015 m.woods41@comcast.net Barnstable County, Massachusetts, United States August 27, 2015 Details
June 17, 2015 Jarchibold Saratoga County, New York, United States August 21, 2015 Details
July 20, 2015 Joe Saunders Mercer County, West Virginia, United States August 21, 2015 Details
August 04, 2015 escianci Piscataquis County, Maine, United States August 06, 2015 Details
July 25, 2015 Jim Dolan Columbiana County, Ohio, United States August 05, 2015 Details
July 29, 2015 juliereid Ontario, Canada July 29, 2015 Details
July 20, 2015 rab7552 Bristol County, Massachusetts, United States July 25, 2015 Details
July 21, 2015 Beachnicks Plymouth County, Massachusetts, United States July 22, 2015 Details
July 17, 2015 Jarchibold Saratoga County, New York, United States July 19, 2015 Details
July 14, 2015 cblazo Franklin County, Pennsylvania, United States July 14, 2015 Details