10/14/2026
On a recent job, our crew spotted these sticky clumps of sap at the base of a Monterey Pine. Theyβre pitch tubes, a telltale sign of .
These beetles bore into the lower trunk and tend to target pines already stressed by drought, root damage, or construction. Left unchecked, they can open the door to other bark beetles.
Spot something similar on your pines? Our arborists can assess your treeβs health and recommend a long-term plan. Call (415) 598-1545 to schedule an inspection today!