The size of the hole may vary from very small to up to 3/8 inch or so. Very small holes in evergreen trees that are beginning to look thin and sick may indicate a type of bark borer. Slightly larger ...

Bark beetles are very small and leave randomly spaced holes about the size of large pinheads. The damage in your photos is typical of sapsucker activity. Sapsuckers are members of the woodpecker ...

This damage typically doesn’t do enough harm to damage the tree, but over time, if the sapsucker holes fully encircle the tree bark, it is going to suffer. In some instances, it may end up ...

Fig souring (or sour rot) renders fruit inedible. It’s caused by yeast and bacteria, usually spread by insects. You’ll know it by the fermented smell, clear ooze from the fig’s eye and eventually, ...

DEAR NEIL: We have a red oak in our backyard. Bark started peeling in the fall, but it has become prevalent this spring. There are also tiny holes in the trunk like a woodpecker might cause, but ...

The holes are initially tiny, measuring less than ¼-inch. However, they get larger as the larvae continue their feast. Eventually, you may find that the leaves are gone and only the mid veins are ...

Holes from an infestation of California fivespined ips, a pine bark beetle, are visible on trees in the North Meadow area of the Chambers Creek Regional Park on Monday, June 2, 2025, in University ...

The damage often causes a single limb death in the early stages and multiple limbs (total collapse of the tree’s canopy) and even death of the tree in later years.