The life cycle of borer beetles typically begins with adult females laying eggs on the bark of host trees. Upon hatching, the larvae bore into the tree and create tunnels as they feed on the wood, disrupting the tree’s ability to transport nutrients and water. This damage can lead to tree stress, weakening, and eventually death if left untreated. Signs of borer beetle infestation include holes in the bark, often ranging from 1/8 to 1 inch in diameter, and the presence of frass, a mixture of sawdust and insect excrement, at the base of the tree.
Identifying borer beetles involves observing the adult beetles, examining the host tree, and looking for signs of infestation.
Some signs that may indicate a borer beetle infestation include:
Preventing borer beetle infestations involves a combination of proactive measures to maintain tree health and deter beetles from laying eggs. Here are some steps you can take: