The Hokkaido gypsy moth trapped in Woodway in July might be the first ever found in the U.S. by … USDA Forest Service Northeastern Research … • Gypsy moth outbreaks have a 10-year periodicity cycle in northern Japan. Pest was an univited Woodway guest and a first in the U.S. Like the Asian gypsy moth, the Hokkaido moth most likely stowed away on a bulk cargo ship from an infested area across the Pacific Ocean. parentheses show Hokkaido gypsy moth, L. umbrosa (Butler, 1881), Japanese gypsy moth, L. dispar japonica (Motschulsky, 1860), and the Ryukyu gypsy moth, L. postalba Inoue, 1956, respectively. The first Hokkaido gypsy moth in the U.S. was discovered in Snohomish County. Honshu males have dark wings, and are somewhat larger than Hokkaido males. Hokkaido gypsy moth was spotted for the first time in the US outside of Seattle; The pests fly up to 20 miles, allowing them to feast on a broader range of plants; Females lay 500 eggs at once and the caterpillars cause widespread damage; Officials are taking action by spraying crops and woodland areas ; Washington state is planning an attack against giant Asian moths.

Photo Credit: John H. Ghent and Manfred Mielke, USDA Forest Service, Bugwood.org Asian gypsy moths (AGM, including Lymantria dispar asiatica, Lymantria dispar japonica, Lymantria albescens, Lymantria umbrosa, and Lymantria post¬alba) are exotic pests not known to occur in the United States. The Hokkaido gypsy moth is native to Russia, according to the National Invasive Species Information Center from the U.S. Department of Agriculture.

Defoliation by gypsy moths can weaken trees, making them susceptible to subsequent infection by various pathogens. • Synchrony was observed in gypsy moth outbreaks in northeastern Japan. In May of 2020, WSDA conducted an eradication where the Hokkaido gypsy moth was detected. It is a native of Asia and was first detected in Washington in 2019.

Population Dynamics, Impacts, and Integrated Management of Forest Defoliating Insects. They are main species of Lymantria in each island of Japan, as described in Pogue and Schaefer (2007). In 2019, a new variety of Asian gypsy moth was detected in Washington State. In: McManus ML, Liebhold AM, eds. The gypsy moth comprises three subspecies and several variants. Although there were two distinct genotypes in mtDNA in Hokkaido gypsy moths, we found no morphological differences between the two genotypes in Hokkaido. Hokkaido gypsy moth is a subspecies, Lymantria dispar praeterea Kardakoff, now. Gypsy moths have been known to destroy massive agricultural areas around the country. It was reportedly the first of that type of moth found in the United States. The Asian gypsy moth is a serious threat to our country’s landscapes and natural resources. Hokkaido gypsy moth (Lymantria umbrosa) is an insect pest of hardwood trees, shrubs, and plants.

• Snow depth, forest area, and elevation determine distribution range of gypsy … The first Hokkaido gypsy moth showed up in Woodway last year. GIANT Asian gypsy moths invading America are an "imminent danger" to farms and the natural landscape, experts have warned. It was reportedly the first of that type of moth found in the United States. The Hokkaido gypsy moth has the same flying capabilities and wide-ranging appetite as an Asian gypsy moth. On Friday, May 15, the Washington State Department of Agriculture plans to begin aerial spraying in the Town of Woodway in an effort to eradicate the Hokkaido gypsy moth, a variety of the Asian gypsy moth, weather permitting. This was the first-ever detection of the Hokkaido gypsy moth (Lymantria umbrosa) in the United States. The wing color of Hokkaido males was