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Warning: The information in this archived item was not confirmed with the appropriate National Plant Protection Organization and is provided solely for informational purposes. Please use this information with caution.

Subject: Update on Australia salvinia weevil release in Texas
Date posted: December 20, 2001
Source: Texas Parks and Wildlife Department
The US Department of Agriculture, in collaboration with the Texas Park & Wildlife Department, introduced the Australian salvinia weevil (Cyrtobagous salviniae) into four areas of giant salvinia infestation in Texas on October 10-11, 2001 (see news story 11/07/01). In routine sampling done in early December 2001, weevils were recovered at 3 of the 4 release sites, while two of these showed significant weevil damage. According to USDA researchers, there may be anywhere from 25 to 90 adults still present in the sample squares after two months. However, any progress made since October is still provisional until further observations are made.

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