A garden full of flowers, vegetables, and healthy greenery sounds pretty ideal. The last thing most gardeners want to see is a bug crawling across a leaf or a spider settling into a corner.
Before you grab the pesticide, though, take a closer look at what’s actually visiting your plants. Some creatures that get labeled as pests are doing useful work. They may eat insects that damage plants, pollinate flowers, improve the soil, or help keep other populations under control.
That doesn’t mean every bug deserves a permanent spot in your garden. Some can still cause problems if their numbers get too high. But the next time you spot one of these 10 creatures, it may be worth leaving it alone.
Ladybugs
Ladybugs are one of the easiest garden insects to recognize, and they have a pretty good reputation among gardeners.
These small beetles feed on aphids, which can quickly become a problem for vegetables, flowers, and other plants. A single ladybug can eat thousands of aphids during its lifetime.
So if you spot one crawling across a plant, resist the urge to move it. It may be doing some free pest control right in front of you.
Related: 12 Helpful Garden Insects Every Gardener Should Welcome
Earthworms
Earthworms may not look like much, but healthy garden soil would be very different without them.
As worms move through the soil, they create small channels that allow air and water to reach plant roots. They also break down organic material and leave behind nutrient-rich castings.
Finding earthworms while digging through your garden is usually a good sign. They’re a quiet part of the soil ecosystem that can help keep your planting beds in good condition.
Praying Mantises
A praying mantis can look a little intimidating, especially when you catch one sitting motionless and watching you.
These insects are predators that feed on a variety of other insects. Their diet can include flies, moths, grasshoppers, and other garden visitors.
Mantises don’t distinguish between insects you like and insects you dislike, so they may eat beneficial bugs too. Still, having one around can contribute to keeping insect numbers in check.
Related: 15 Good Bugs You’ll Be Happy to See in Your Yard
Bees
Bees are among the most useful visitors your garden can have.
As they move from flower to flower collecting nectar and pollen, they transfer pollen between plants. That process is needed for many fruits, vegetables, and flowers to produce seeds or fruit.
Research published through the National Library of Medicine has found that animal-based pollination contributes substantially to food production.
A bee buzzing around your garden can be startling, but there’s usually no reason to disturb one that is simply visiting flowers. Give it some space and let it get back to work.
Spiders
Spiders may be welcome in the garden and unwelcome in the house, depending on your personal tolerance for them.
Many garden spiders catch flies, mosquitoes, moths, and other insects in their webs. Hunting spiders also patrol plants and soil in search of prey.
You certainly don’t need to encourage spiders to move into your bedroom, but leaving them alone outside can give your garden another natural predator.
Related: 16 Easy Tricks to Keep Your Houseplants Healthy and Thriving
Lacewings
Adult lacewings are delicate-looking insects with clear wings, but their young are much more serious hunters.
Lacewing larvae feed on aphids, whiteflies, mealybugs, and other soft-bodied insects. They can consume large numbers of these pests as they develop.
So if you spot adult lacewings around your plants, take a closer look before trying to remove them. Their presence may mean there are helpful predators already working in your garden.
Ground Beetles
Ground beetles aren’t as flashy as ladybugs, but they can be just as useful.
Many species are active at night and spend their time hunting on the soil surface. Their prey can include slugs, snails, caterpillars, and other insects that may damage plants.
They often hide beneath rocks, mulch, leaves, and garden debris during the day. If you turn over a piece of wood and find a dark-colored beetle scurrying away, there’s a good chance it would rather be left alone.
Related: 10 Extraordinary Insects With Superpowers
Centipedes
Centipedes aren’t exactly the kind of creature most people hope to find while gardening, but they are predators.
They feed on insects and other small invertebrates, including ants, termites, and various garden pests. They tend to prefer damp areas, so you may spot them beneath mulch, rocks, logs, or other garden debris.
They aren’t something you need to handle, but there’s usually little reason to eliminate every centipede you find outdoors.
Dragonflies
Dragonflies are beautiful garden visitors, but their real value goes beyond their appearance.
Adult dragonflies are skilled aerial predators that catch mosquitoes, flies, and other small flying insects. Their young, called nymphs, live in water and feed on aquatic organisms, including mosquito larvae.
If you have a pond or another water source nearby, you may see more dragonflies around your property. Their presence can be a welcome part of a healthy garden ecosystem.
Wasps
Wasps have a bad reputation, and for good reason if you’ve ever accidentally disturbed a nest. Still, these insects play a useful role outdoors.
Many wasp species hunt caterpillars, aphids, flies, and other insects that can damage garden plants. Some also help pollinate flowers while searching for food.
That doesn’t mean you should get close to an active nest or try to handle a wasp. If a nest is located near a doorway, play area, or another place where people could be stung, professional removal may be the safest choice.
But a wasp passing through your garden isn’t automatically a problem. Some of these insects are there because they’re hunting the very pests you want gone.
