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Parts of the U.S. are experiencing a significant spongy moth invasion this year. Here's how to tell if you have them in your yard and how to deal with them.
Since 1980, the gypsy moth has defoliated over one million acres (4,000 km 2) of forest each year. In 1981, 12.9 million acres (52,200 km 2) were defoliated. In wooded suburban areas, during periods of infestation, gypsy moth larvae crawl over man-made obstacles and sometimes enter homes. [4]
Lymantria dispar dispar, commonly known as the gypsy moth, [1] European gypsy moth, LDD moth, or (in North America) North American gypsy moth or spongy moth, [2] is a species of moth in the family Erebidae. It has a native range that extends over Europe and parts of Africa, and is an invasive species in North America.
In order to produce Gypchek, a laboratory strain of the spongy moth is reared and infected with the virus. [15] After the larvae die, they are harvested and processed into a fine powder. [ 15 ] It takes between 500 and 1,000 larvae to produce enough Gypchek to treat one acre (1,200 and 2,500/ha).
These infestations can occur in the even cleanest house or the nicest grocery store, says Benson. ... Meal moths have a similar appearance but are about ½-inch in length. The larvae attack grains ...
The culprit is not fertile imaginations or herbicidal warfare but gypsy moth larvae. WARNING SIGNS Last year, Dwight Relation noticed a few Gypsy moths around, and they did very minimal damage ...
In 1905 the USDA initiated its first large-scale biological control program, sending entomologists to Europe and Japan to look for natural enemies of the spongy moth, Lymantria dispar dispar, and the brown-tail moth, Euproctis chrysorrhoea, invasive pests of trees and shrubs. As a result, nine parasitoids (solitary wasps) of the spongy moth ...
One of the biggest outbreaks of the Gypsy moth caterpillar took place in 1981, when the bugs made their way across the Northeastern states. As revealed in a New York Times report at the time, ...
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