Tree Service Knowledge Base
Redwood Bark Beetle: What Bay Area Homeowners Should Watch For
The tallest trees on Earth often host a beetle about the size of a grain of rice within their bark. Known as the redwood bark
October 23, 2026
Providing the support and care your trees need can be challenging at times. Trees are complex, living organisms that interact with their environment in complicated ways. One day, your trees may look lush and vibrant, and the next, you may start noticing discolored leaves or mushrooms sprouting up at the base. That’s why it is always important to have someone you can rely on for guidance — a tree-care expert who can help you understand how to care for your trees, identify the pests and pathogens attacking them, and recognize when they’re hazardous. Fortunately, that’s not hard to find in Aptos, CA: Simply contact Adney Tree Service to schedule an assessment or evaluation by an ISA-certified arborist.
Our shop sits at 335 Spreckels Drive, right in Aptos, and the team is led by an ISA-certified arborist. That means the expert opinion you need isn't coming from an hour away, it's already in town. When you want a tree looked at, we can usually get out quickly, walk the property with you, and give you a straight read on what's going on. And because we handle the full range of tree work, any care the assessment points to can be carried out by the same people who diagnosed it.
A good assessment always starts with the setting, and Aptos has a distinctive one. Much of the town sits on wooded hillsides that filled in during the 1960s, with mature coast redwoods, Monterey pines, and coast live oaks looming over homes that were built around them. Evaluating a tree here means weighing its size and species against the slope it stands on, the soil beneath it, and whatever sits within falling distance.
That context changes the read. A towering redwood with shallow roots on a wet slope, a coast live oak showing early signs of Sudden Oak Death, or an old pine leaning toward the house are all things a trained eye interprets differently than a homeowner would. Knowing which local species tend to fail, and how, is a big part of what an experienced Central Coast arborist brings to the visit.
Plenty of situations in Aptos are worth a professional evaluation. The most common is simple worry: a tree that's leaning more than it used to, dropping limbs, or thinning up top, especially heading into the winter storm season when hillside failures spike. An honest assessment tells you whether it's a real hazard or something that can be managed.
There are practical reasons, too. If you're buying or selling a wooded Aptos property, an arborist's report gives you a clear picture of what the trees add or what they'll cost to maintain. If a tree needs to come out, many removals in Santa Cruz County require a permit, and a certified arborist can provide the documentation that makes that process smoother. And if you're planning to build or landscape, an evaluation up front helps you protect the trees worth keeping.
A storm can create its own reason to call. After a big blow, homeowners often want a professional read on a tree that took a beating, both to judge whether it's still safe and to document the damage for an insurance claim. And where a large tree straddles a property line, which happens often on these close hillside lots, an arborist's neutral assessment helps neighbors agree on what actually needs to be done.
The real value of an assessment is time. Pests, disease, and structural problems usually take hold long before they're obvious, so catching them early is what gives a tree its best chance and keeps a small issue from becoming an expensive one. Because Aptos is our home base, we're easy to reach for that first look, we know these hillside lots and the species that struggle here, and we stand behind the guidance we give in a community where our name is on every job.
It takes extensive experience, training, and know-how to become an ISA-certified arborist — a credential Adney Tree Service owner Kyle Adney is proud to carry. As a certified arborist, Kyle uses that expertise every day, leading a skilled team of tree-care professionals and giving homeowners and property managers across the Central Coast the expert insight and guidance they need.
Adney Tree Service is proud to offer a wide range of arborist services for homeowners and property managers throughout the Central Coast. Here are some of the most common ways we help our clients:
There are a number of benefits you and your trees will enjoy when you solicit the assistance of a certified arborist. A few of the most noteworthy advantages of working with the Adney Tree Service team include:
Having an ISA-certified arborist check your trees on a regular basis gives you a much clearer picture of any safety issues they may be creating, so you can take steps to reduce the risk. This goes beyond the obvious problems, like large dead limbs. An arborist can also spot subtle issues that homeowners and property managers often overlook — including hidden root problems.
One of the critical factors in treating trees for pests and disease is early detection, as this allows you to initiate a treatment regimen promptly. And while it’s difficult for homeowners and property managers to spot the early signs of trouble, certified arborists will often notice problems early, when treatment is more likely to be effective.
Unfortunately, trees sometimes develop problems that make removal necessary. And since many areas in the Central Coast require permits for tree removal, the process can get a bit complicated. Partnering with an ISA-certified arborist makes it much easier — you’ll get the clear, detailed report you need to secure a removal permit without the hassle.
Given their superior training and education, arborists can often help you avoid removals that non-certified “tree guys” find necessary. For example, typical tree workers may recommend removing a tree with co-dominant stems, but a certified arborist may be able to support the same tree with cables, thereby eliminating the need for removal.
A certified arborist may only be on your property for a few hours, but the guidance they provide can shape your tree-care routine for the entire year. They might recommend adding mulch around your trees or adjusting your irrigation, pruning, or fertilizing habits to help improve overall tree health.
In addition to promoting better tree health and safety, arborists can also help you keep your trees looking better. From recommending pest-control strategies to halt branch dieback to pruning services that’ll keep your tree’s crown looking lusher and fuller, certified arborists have a number of tools they can employ to keep your trees looking their best.
It’s always wise to contact an arborist for an assessment or evaluation at the first sign of trouble. And that includes anytime you notice the following clues that something may be wrong:
Crown dieback is the term arborists use for the slow decline and death of branches in a tree’s canopy. It might begin with just a few dying leaves on one limb or spread across larger sections of the canopy. Either way, it’s important to have an ISA-certified arborist take a look as soon as possible to give the tree the best chance of recovering.
Mushrooms, conks, and other signs of fungal activity are always cause for concern, and they should be examined by an arborist as quickly as possible. These kinds of fungal growths are a sign that decay is occurring within the tree, predisposing it to weakness and potential failure.
Large cavities can form for many reasons — from past wounds to wildlife activity. Not every cavity is a serious issue, but because they’re often linked to significant internal decay, a certified arborist should always evaluate them so you can decide whether removal is necessary.
Cracks in a tree’s trunk or primary limbs are serious hazards, as they indicate the tree (or some portion of the tree) is already actively failing. Not all cracks will require that a tree be removed, but you’ll need an arborist to assess the extent of the crack, consider potential mitigation options, and recommend a course of action.
Missing bark is a potentially serious warning sign — and often a bigger problem than homeowners or property managers realize. Exposed wood leaves a tree vulnerable to pests, disease, and decay, and it can also point to deeper underlying health issues.
Anytime the soil around a tree begins showing troubling signs, such as heaving or cracking, it’s imperative that you have an ISA-certified arborist examine it immediately. These kinds of problems often indicate that the soil, root system, or both are already failing and presenting a serious safety risk.
Poor growth might not look like a major issue at first, but it’s often a sign that a tree’s health is slipping. Addressing these problems early gives the tree the best shot at recovering — and it can also prevent bigger, more expensive issues from developing later on.
Foliar discoloration is always an important symptom to watch for. Not all foliar issues are a threat to the long-term health or stability of a tree, but some can be quite serious and require immediate treatment. In all cases, it’s a good idea to have an ISA-certified arborist examine trees with discolored leaves promptly.
Many tree species shed their leaves each year, and the leaves of some will change color before falling to the ground below. But while seasonal leaf drop is normal and fall color is often a welcome sight during the autumn, both issues can be a sign of trouble if they happen during the spring or summer.
You and your trees deserve the best arborist service and guidance available, and that’s exactly the standard the professionals at Adney Tree Service strive to meet. But while it can sometimes be challenging to identify the best arborist in the Central Coast region for your needs, we feel that the following traits allow us to rise to the top:
Every tree, property, and client is different, which means no two arborist evaluations ever look exactly the same. Each one comes with its own set of challenges and calls for a tailored solution. Still, over the last 10 years, we’ve built a reliable process that helps us deliver consistent, high-quality service:
Contact us today to get the arborist support you need!
One of the biggest challenges in tree care is the fact that diseases and pests often go undetected for quite a while. So, by the time you start noticing leaf discoloration or mushrooms popping up around the base of your tree, the problem has already been present for weeks, months, or even years. This makes treatment difficult and helps to illustrate the importance of catching these kinds of problems early. Adney Tree Service’s arborist evaluations and assessments help you identify these tree-health threats early, when you will have the best chance of helping them enjoy a full recovery.
Our team is led by an ISA-certified arborist, ensuring that we have the training, skill, and expertise to provide artisan-caliber tree-care services.
We have an in-depth understanding of California’s native tree species, along with the ornamental and exotic varieties commonly found throughout the Central Coast.
We have a proven track record that spans more than a decade, backed by a long list of positive reviews and ratings from past clients.
We are a full-service tree care team that offers all the services you need, eliminating the need for you to hire multiple tree-care companies.
We’re licensed by the state of California and fully insured, giving you the confidence that you’re working with true professionals and that you’re fully protected.
We have been proudly providing arborist services for homeowners and commercial property managers in the Central Coast region since 2015. And whether you’re in Aptos, Scotts Valley, or anywhere in between, we make it easy to get the arborist help you need.
Have lingering questions about arborist assessments and evaluations? Curious to learn more about the ways Adney Tree Service can help you better care for your trees? We’ve gathered some of the most common questions we hear from our clients and answered them below.
The tallest trees on Earth often host a beetle about the size of a grain of rice within their bark. Known as the redwood bark
A tree can be gone for years while the fungus that killed it is still alive underground. Armillaria is a great example. This potentially lethal
Invasive shothole borers are no longer just a Southern California problem. In September 2025, officials confirmed the beetles in two trees in the Tannery area
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