Goldspotted Oak Borer Beetles
Goldspotted Oak Borer Beetles Agrilus auroguttatus on display The Huntington Library and Gardens San Marino California
Wood Borer Beetle Galleries
Bark Borer Beetle Galleries show path within Cambium layer to tree surface The Huntington Library and Gardens San Marino California
Bark Borer Beetle Galleries
Bark Borer Beetle Galleries as evidence of egg laying and hatching within the tree's Cambium layer The Huntington Library and Gardens San Marino California
Bark Borer Beetle Galleries
Borer Beetle Galleries where eggs are deposited and larvae hatched within tree's Cambium The Huntington Library and Gardens San Marino California
Bark Borer Beetle Gallery
Bark Borer Beetle's extensive galleries in the tree's Cambium layer The Huntington Library and Gardens San Marino California
Polyphagus Shot Hole Borer Beetle
Polyphagus Shot Hole Borer Beetle's telltale open wound dust on a California Sycamore The Huntington Library and Botanic Gardens San Marino California
Goldspotted Oak Borer Beetle
Borer Beetle's residual dust shows as light brown on branch center and bottom left The Huntington Library and Gardens San Marino California
Polyphagus Shot Hole Borer Beetle
Sycamore with evidence of Polyphagus Shot Hole Borer Beetle's tiny intrusive holes Huntington Library and Botanic Gardens San Marino California
Elm Bark Beetle Galleries
Elm Bark Beetle damage shows in extensive galleries throughout downed tree Huntington Library and Gardens San Marino California
