Gypsy Moth In North America
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Gypcheck - The Gypsy Moth Nucleopolyhedrosis Virus Product
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The
gypsy moth nucleopolyhedrosis virus
(NPV) is naturally ocurring and is the most common
cause of the decline of outbreak gypsy moth populations.
Since the late 1950's sceintists have been developing
the use of this virus as a biological pesticide.
In 1978, the product, "Gypchek" was registered by
the US Environmental Progection Agency
(EPA). A similar product,
"Disparvirus", was developed in Canada.
Gypchek is produced by growing caterpillars on artificial diet, infecting individuals, harvesting cadavers, and purifying the product. This method, referred to as "in vivo" production, is labor intensive and this is why application of Gypchek is relatively expensive. Research is currently underway which may some day allow for "in-vitro" (cell culture) production. This could result in substantially lower production costs. |
 The gypsy moth nucleopolyhedrosis virus product, Gypcheck. |
In vivo production and processing of gypsy moth nucleopolyhedrosis virus.
Return to Gypsy Moth in NA
Last modified 10-29-03 by Sandy Liebhold
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USDA Forest Service - Northeastern Research Station