2022-06-102022-06-102003-05-13http://hdl.handle.net/10919/110686Fresh frass from dogwood borer lavae feeding in burrknot tissue at base of apple tree.Dimensions: 2560 x 1920Size 483 KBimage/jpegenCreative Commons Attribution-NonCommercial 4.0 InternationalAgricultural Plant Pest Control - ApplePest Damage - Dogwood BorerDogwood Borer FrassImageVirginia Tech