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

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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)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*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.

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Observation Date Submitter Region Verified Datesort icon
July 16, 2014 psteeves Worcester County, Massachusetts, United States September 29, 2014 Details
July 22, 2014 Sheryl Johnson Barnstable County, Massachusetts, United States September 06, 2014 Details
August 04, 2014 b.cn.u Ontario, Canada September 05, 2014 Details
August 01, 2014 Shane Miller Beaver County, Pennsylvania, United States August 31, 2014 Details
July 26, 2014 Shane Miller Beaver County, Pennsylvania, United States August 08, 2014 Details
August 02, 2014 dapuglet Ontario, Canada August 04, 2014 Details
August 03, 2014 juliereid Ontario, Canada August 03, 2014 Details
July 02, 2006 franpope Garrett County, Maryland, United States August 02, 2014 Details
July 05, 2014 a-o Essex County, Massachusetts, United States July 28, 2014 Details
July 25, 2014 schmev24 Hampden County, Massachusetts, United States July 28, 2014 Details
July 26, 2014 Shane Miller Beaver County, Pennsylvania, United States July 28, 2014 Details
July 26, 2014 Shane Miller Beaver County, Pennsylvania, United States July 28, 2014 Details
July 22, 2014 a-o Penobscot County, Maine, United States July 27, 2014 Details
July 20, 2014 a-o Hancock County, Maine, United States July 27, 2014 Details
July 25, 2014 curtis.lehman (Lynda Asprinio) Pike County, Pennsylvania, United States July 27, 2014 Details
July 17, 2014 Chris Blomme Ontario, Canada July 24, 2014 Details
July 19, 2014 Latenight Cumberland County, Pennsylvania, United States July 22, 2014 Details
July 11, 2014 David Trently Lackawanna County, Pennsylvania, United States July 11, 2014 Details
June 28, 2014 Bushytail3 Centre County, Pennsylvania, United States July 08, 2014 Details
June 24, 2014 Cassandraharrop Marathon County, Wisconsin, United States July 07, 2014 Details
July 01, 2014 Lukeeey Ontario, Canada July 05, 2014 Details
July 03, 2014 Jim Eckert Berks County, Pennsylvania, United States July 05, 2014 Details
June 16, 2014 casiepagano23 New Haven County, Connecticut, United States July 03, 2014 Details
June 09, 2014 Leslie Warren Mahoning County, Ohio, United States June 11, 2014 Details
June 10, 2014 chrisdaeger Clermont County, Ohio, United States June 11, 2014 Details
June 01, 2013 msullenberger_1 Chautauqua County, New York, United States February 27, 2014 Details
June 28, 2013 curtis.lehman (Stephen Kloiber) Wayne County, Pennsylvania, United States February 08, 2014 Details
July 24, 2013 dneff21878 Lenawee County, Michigan, United States February 02, 2014 Details
July 28, 2013 lgorn Otsego County, New York, United States February 01, 2014 Details
August 07, 2013 Ilona L. Dane County, Wisconsin, United States December 26, 2013 Details
July 17, 2013 xsunny Ontario, Canada October 21, 2013 Details
July 22, 2013 wayne13114 Oswego County, New York, United States October 17, 2013 Details
July 14, 2013 Latenight Cameron County, Pennsylvania, United States October 16, 2013 Details
July 12, 2013 wayne13114 Oswego County, New York, United States October 02, 2013 Details
July 16, 2013 Rachel Leben Steuben County, New York, United States October 02, 2013 Details
July 03, 2013 pattiep9 Oneida County, Wisconsin, United States September 21, 2013 Details
August 31, 2013 Jody Ontario, Canada September 08, 2013 Details
July 03, 2013 a-o Essex County, Massachusetts, United States August 30, 2013 Details
August 21, 2013 dalematt Ontario, Canada August 22, 2013 Details
August 19, 2013 Jody Ontario, Canada August 19, 2013 Details
August 15, 2013 lizainmm Ontario, Canada August 18, 2013 Details
July 31, 2013 Aboover Knox County, Maine, United States August 04, 2013 Details
August 01, 2013 cinderella Erie County, New York, United States August 01, 2013 Details
July 27, 2013 khemeon Rensselaer County, New York, United States August 01, 2013 Details
July 05, 2013 jdswerdlow@gmail.com Washtenaw County, Michigan, United States July 30, 2013 Details
July 26, 2013 mothie Lorain County, Ohio, United States July 26, 2013 Details
July 16, 2013 BigMcC62 Allegheny County, Pennsylvania, United States July 25, 2013 Details
July 23, 2013 Bushytail3 Centre County, Pennsylvania, United States July 25, 2013 Details
July 17, 2013 davmcnaugh Lebanon County, Pennsylvania, United States July 23, 2013 Details
July 22, 2013 edenny Hampshire County, Massachusetts, United States July 23, 2013 Details