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Release Number: BMFO 2005-17
For Release: March 11, 2005


Mormon crickets and grasshoppers may potentially invade north and central Nevada again this Spring. According to Nevada’s state entomologist, Jeff Knight, the number of acres affected will probably equal or exceed last year’s count. Drought conditions in Nevada over the last several years have allowed Mormon cricket and grasshopper eggs, laid in the previous season, to survive in spite of lower temperatures and increased precipitation during the 2005 winter season. According to Bureau of Land Management hydrologists, it will take several years of above average precipitation to recover from the past drought conditions.

Help is available to address insect infestations. Congress appropriated $6.7 million to control Mormon crickets and grasshoppers over a 5-year span in Nevada. The money has been transferred as a grant to the State of Nevada, Department of Agriculture (NDOA). In cooperation with the U.S. Department of Agriculture (USDA), Animal & Plant, Health Inspection Service (APHIS), NDOA will spend about $1.4 million of these funds in 2005.

The Bureau of Land Management’s (BLM) role is to protect public lands and resources from cricket and grasshopper infestations and to counter their potential spread onto neighboring crops and communities on federal, state, county, city or private lands.

The BLM has authorized and requested treatment on public lands from NDOA through Pesticide Use Proposals (PUPs). The Battle Mountain Field Office (BMFO) has prepared PUPs for the counties of Esmeralda, Eureka, Lander and Nye. Additionally, Environmental Assessments (EAs) prepared and approved by APHIS and the BLM that target crickets and grasshoppers, have concluded that carbaryl (bait-ground 1/9 aerial application), malathion (liquid-ground & aerial spray application), and diflubenzuron (liquid-ground & aerial spray application) are non-toxic to most plants and animals when applied at label rates.

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Last updated: 03-26-2015