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Council hears Texas A&M expert on oak wilt; ordinance debated and tabled for revision
Summary
A Texas A&M woodland ecologist briefed Lago Vista council on oak wilt biology and management; council debated a proposed ordinance to restrict pruning and require removal or treatment of infected red oaks, then voted to table the ordinance so staff can incorporate edits and prepare revised language.
A Texas A&M woodland ecologist explained oak wilt transmission and management to Lago Vista City Council on Jan. 16, 2025, as the council considered a proposed amendment to the city code to strengthen disease-prevention rules.
Camille Wiseman, identified in the presentation as a woodland ecologist and ISA-certified arborist, described how oak wilt spreads both by root grafts among live oaks and by sap-feeding beetles that visit fungal mats on dead red oaks. "Oak wilt is a disease caused by a fungus, Brezillia fagacereum," she said, and she emphasized that red oaks often form the fungal mats that attract beetles. Wiseman recommended avoiding pruning or creating open wounds on oaks during the spring…
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