FGMN Nursery
Cryptolaemus montrouzieri
Cryptolaemus montrouzieri
- Ships Nationwide
Tried Sprays and Swabs, but the Mealybugs Keep Coming Back?
You’re not just dealing with the ones you see—you’re dealing with a colony.
Eggs tucked in leaf joints. Crawlers under petioles. Adults you didn’t spot until it was too late.
Cryptolaemus montrouzieri is the predator built for this. These live adult beetles don’t nibble. They clean house—hunting and feeding on mealybugs at every stage, without sprays, residue, or second guesses.
Cryptolaemus montrouzieri (Live Adult Mealybug Destroyers)
Biological Control for Mealybugs and Soft Scale Crawlers
This bottle contains live adult Cryptolaemus beetles—fast-moving, mealybug-seeking predators that feed on eggs, crawlers, and adult mealybugs.
They’re dark brown with orange heads (ladybug-sized) and built to move. Unlike slow-release systems or foliar sprays, these beetles actively seek out mealybug hotspots and reduce populations quickly.
What They Treat
| Pest | Stage Targeted |
|---|---|
| Citrus mealybugs | Eggs, nymphs, adults |
| Comstock mealybugs | Full lifecycle |
| Long-tailed mealybugs | All stages |
| Other mealybug species | Broad efficacy |
| Soft scale (crawler stages) | Opportunistic feeding |
Note: Best results when applied early or at first signs of infestation. For prevention, consider pairing with slow-release predators.
Why It Works
| Feature | Why It Matters |
|---|---|
| Full lifecycle suppression | Eats eggs, crawlers, and adults |
| Immediate feeding | Adults start hunting right away |
| High visibility | Easy to monitor impact |
| No chemical residue | Clean option for edibles and sensitive plants |
| Scalable | Works in small setups or full greenhouses |
When to Use
-
You’ve got a confirmed mealybug problem, not just a suspicion
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Sprays haven’t worked—or the pests came right back
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You want results in 7–10 days
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Your space stays above 50°F (these don’t survive cold)
How to Use
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Gently rotate the bottle before opening
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Release beetles directly onto infested plants
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Focus on areas where mealybugs cluster—leaf nodes, undersides, stem joints
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Release early morning or evening (avoid heat or direct sun)
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Avoid spraying before or after application—residues kill predators
How Many to Use
| Infestation Level | Suggested Rate |
|---|---|
| Light | 1–2 beetles per square foot |
| Heavy | 2–4 beetles per square foot |
| Greenhouse-scale | 1,000–2,000 beetles per acre |
Apply weekly during active infestations, or as needed based on population rebound.
Safe for Everything but the Pests
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No residue
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Non-toxic to people, pets, pollinators, or plants
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Compatible with organic and regenerative systems
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Fully IPM-integrated
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No re-entry wait time
Pro Tips
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Use immediately—these are live adults
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If necessary, store short-term at 45–55°F (18 hours max)
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Reapply after frost, temperature drops, or pest rebounds
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Pair with monitoring traps or slower-release predators for ongoing coverage
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Don’t wait until populations explode—apply early when mealybugs first appear
Shipping & Storage
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Ships overnight with live delivery guarantee
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Use immediately upon arrival
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If needed, store for up to 18 hours at 45–55°F
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Do not freeze, overheat, or expose to dry air
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Shipping & Returns
Shipping & Returns
SHIPPING:
Outdoor Living & Recreation, Home & Garden products ship nationally & some internationally. The national/international shipping fee is calculated at checkout using your shipping address and choice of shipping provider if applicable. Products marked with free shipping will be free shipping at checkout. Once your lifestyle, home & garden order is fulfilled we'll send the tracking information to your email.
RETURNS: 30 day returns.
We accept returns of unused products that are defective or not defective. Your return must be processed within 30 days of the date of purchase. We will provide a shipping label by email, you are responsible for bringing the return to the shipping provider.
FREIGHT PRODUCTS: no returns or exchanges.
There are no returns, exchanges or refunds for products delivered via freight.
REFUNDS:
The cost of the return shipping and a 6% credit card processing/restocking fee will be deducted from your refund amount. The refund balance will be distributed to you once the returned product is received and processed.
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from 47 reviewslovely olive jar, attractive to keep on display. And useful too.
Fast delivery . Product exactly matches description. Easy to contact with same day replies. We will use them again.
Great job from growing to shipping
Quality was excellent. Perfect for my Dad’s grave site, honoring a proud Marine.
Appreciate the extra effort to get the product to me when needed. The delivery was made with speed and consideration, very much appreciated
Very nice slim design. They hold the poles close to the wall and well organized. Very simple install
Good quality live oak wood. Cut consistently and most was kiln dried. Recommend these guys. Delivery was prompt and friendly
He dropped it right where we asked and the soil is great quality! Really good service on time.
Great product and great communication! I used their compost in my vegetable garden bed, and all my plants are strong and healthy so far.
We had garden soil and garden mulch delivered to our home. He deleted the product right away and was very pleasant to speak with.
Fantastic soil. Definitely would buy again.
Excellent communication and price. Will use them again!!!
Love this Compost! My garden does great every year and it's because of
this great Compost Mix. I would not use anything else.
Great dirt and great communication
Started a new garden and it seems to be helping all of my new starter plantings