Managing Pests on Newly Arrived Orchids
Managing Pests on Newly Arrived Orchids
We understand how frustrating it can be to spot pests on your orchids—especially on the flowers. Pest management is a normal part of growing orchids, and with the right approach, mealybugs can be effectively treated and removed.
Here’s what we recommend:
- Acclimate new plants separately. Avoid mixing them with your existing collection until they’ve been monitored. For detailed guidance, visit our acclimation page: Acclimate Your New Phalaenopsis.
- Remove the flowers. Blooms often conceal pests and typically fade after shipping. They’re included to confirm the plant’s identity, but removing them helps reduce hiding spots and supports overall plant health.
- Treat pests promptly and persistently. Mealybugs respond well to treatment, but repeat applications are necessary. Consistency is key to preventing reinfestation.
If you have any questions or need help selecting the right treatment, we’re here to assist.
Mealybugs
Mealybugs infest all parts of the plant—from foliage to roots—and are mobile. Effective control requires selecting the right pesticide and applying it properly: three treatments at one-week intervals. Each time, spray all exposed plant surfaces to runoff and thoroughly soak the potting media. Most pesticides target adults only, so repeated applications help eliminate emerging juveniles before they reproduce. If pests reappear after a month, repeat the cycle using a pesticide with a different insecticide mode of action.
Systemic Insecticide:
Safari 20SG Dinotefuran Systemic Insecticide (1 teaspoon to a gallon of water)
Active Ingredients: Dinotefuran 20.0%
Insecticide Mode of Action: 4A
Alpine WSG Insecticide (1/2 teaspoon to a gallon of water)
Active Ingredients: Dinotefuran 40.0%
Insecticide Mode of Action: 4A
For discussions about different methods of treatments, visit our Facebook group