Invasion
Invasion Description
1st Record: Willacy County/TX/Port Mansfield Pass (1991, Hicks and Tunnell 1995). An email from David Hicks (3/2/2017, indicates that P. perna might be rare or absent in Texas since ~2000. He attributes the decline to hot summer weather (Kim Holzer, personal communication).
Geographic Extent
Cameron County/TX/Brazos Santiago Pass (1992, Hicks and Tunnell 1995); Willacy County/TX/Port Mansfield Pass (1991, Hicks and Tunnell 1993; Hicks and Tunnell 1995)
Vectors
Level | Vector |
---|---|
Alternate | Hull Fouling |
Alternate | Ballast Water |