Updated: July 9, 2023

Lithops, commonly known as living stones, are unique and fascinating succulent plants that resemble stones or pebbles. They are native to southern Africa and are popular among plant enthusiasts for their interesting appearance and ability to survive in harsh conditions.

However, like any other plant, Lithops can also fall victim to pests. One such pest that can cause trouble for Lithops plants is slaters, also known as woodlice or pill bugs. These small crustaceans can feed on the leaves and roots of the plant, causing damage and even death if not dealt with promptly.

If you notice slaters on your Lithops plant, it’s important to take action to prevent further damage. Here are some effective methods to get rid of slaters and protect your precious Lithops:

1. Identify the Problem

Before you can effectively deal with slaters on your Lithops plant, it’s essential to positively identify them as the culprit. Slaters are small, grayish-brown or black crustaceans that have segmented bodies and seven pairs of legs. They are often found hiding under pots, rocks, or in the soil around the plant.

2. Remove Hiding Places

Slaters love dark and damp environments, so removing their hiding places is a good first step in controlling their population. Clear away any debris, rocks, or old pots from around your Lithops plant. This will make it less attractive for slaters to settle and reproduce.

3. Improve Drainage

Slaters thrive in moist environments, so improving the drainage around your Lithops plant can help deter them. Ensure that your pot has adequate drainage holes and use a well-draining soil mix specifically designed for succulents. Avoid overwatering your Lithops plant, as excess moisture can create a favorable environment for slaters.

4. Natural Predators

Introducing natural predators to your Lithops plant can be an effective way to control slater populations. Ground beetles, spiders, and certain types of birds feed on slaters and can help keep their numbers in check. Consider creating a welcoming habitat for these predators in your garden by providing shelter and food sources.

5. Organic Pest Control

If the slater infestation persists, you may need to resort to organic pest control methods. Diatomaceous earth is a natural substance made from fossilized remains of marine algae that can be sprinkled around the base of your Lithops plant. The sharp edges of diatomaceous earth will cut through the exoskeleton of slaters, causing them to dehydrate and die.

Alternatively, you can create a homemade solution using equal parts water and dish soap. Spray this mixture directly onto the affected areas of your Lithops plant, as well as on the soil surface. The soapy water will suffocate the slaters and prevent them from causing further damage.

6. Manual Removal

If the slater population is relatively small, you can manually remove them from your Lithops plant. Use a pair of tweezers or gloves to carefully pick up the slaters and place them in a container filled with soapy water. This method may take some time and effort but can be an effective way to control slaters without the use of chemicals.

7. Chemical Control

If all else fails and the slater infestation becomes severe, you may need to resort to chemical control methods. However, it’s important to note that Lithops plants are sensitive to chemicals, so exercise caution when using insecticides. Choose an insecticide specifically labeled for use on succulents and follow the instructions carefully.

Before applying any chemical treatment, isolate your Lithops plant from other plants to prevent cross-contamination. Apply the insecticide according to the recommended dosage and frequency, taking care to target the areas where slaters are most active. After treatment, monitor your plant closely for any adverse reactions and adjust your approach if necessary.

Conclusion

Dealing with slaters on your Lithops plant can be challenging, but with the right approach, you can protect your plant from further damage. Identify the problem, remove hiding places, improve drainage, introduce natural predators, and consider organic pest control methods before resorting to chemical treatments. Remember to always monitor your Lithops plant closely and take prompt action at the first sign of a slater infestation. With some patience and persistence, you can successfully rid your Lithops of these pesky pests and ensure its healthy growth.