Your Cart
-
${ item.product_title }$ ${item.price}
Want to Prevent a Spider Mite Outbreak? Start Here.
Spider mites don’t announce themselves. By the time you see webbing or speckled leaves, they’ve already done the damage.
Phytoseiulus persimilis sachets help stop the outbreak before it starts.
Phytoseiulus persimilis Sachets
Targeted Prevention for Spider Mites (Tetranychus spp.)
These slow-release sachets contain all life stages of P. persimilis, a specialist predator that only feeds on spider mites—no detours, no distractions.
Each sachet delivers a controlled release of eggs, juveniles, and adults over 2–4 weeks, building a rolling presence of predators right where you need them.
If your environment is warm and humid—and your pest risk is seasonal or recurring—this is how you stay ahead of spider mites.
Use These to Prevent:
| Pest | Targeted Species |
|---|---|
| Two-Spotted Spider Mites (Tetranychus urticae) | Primary target |
| Carmine Red Mites | Effective at all life stages |
| Pacific Spider Mites | Suppression before webbing |
| Other web-spinning Tetranychus species | As long as they spin webs, these mites are on the menu |
P. persimilis doesn’t go after anything else—it’s spider mites or nothing.
When to Choose P. persimilis Sachets
| Use When... | Don't Use When... |
|---|---|
| You’re dealing only with spider mites | You also have thrips, broad mites, or russet mites |
| Your environment stays warm + humid (68–90°F, 60–90% RH) | You’re growing in cool, dry, or fluctuating conditions |
| You’re rotating between bottles and sachets | You need generalist coverage—use Swirskii or Andersoni instead |
These sachets are for growers who know spider mites are the main threat—and want the right predator on standby before they show up.
Why Use Sachets?
| Feature | Benefit |
|---|---|
| Gradual release | Sustained control over 2–4 weeks |
| No application mess | No sprinkling, no cleanup |
| Multi-stage coverage | Contains eggs, juveniles, and adults |
| Precision targeting | Only attacks spider mites—won’t waste energy on other prey |
| "Set it and forget it" ease | Hang and let them deploy naturally |
Think of this as built-in insurance for high-value plants in spider mite–prone zones.
Best For
-
Spider mite–prone crops in greenhouses and grow tents
-
High-value ornamentals or tropicals under lights
-
Seasonal spider mite prevention (spring/fall cycles)
-
Warm, humid propagation rooms and nursery setups
-
Rotating IPM strategies alongside bottles and other predators
How to Use
| Situation | Application Rate |
|---|---|
| General prevention | 1 sachet every 3–6 feet |
| High-risk plants or hot spots | 1 sachet per plant |
| During active season | Refresh every 2–4 weeks |
-
Hang sachets near the canopy, not in the soil
-
Keep them dry—avoid direct misting or soaking
-
Replace regularly to maintain population density
Safe for Everything but the Pests
-
Non-toxic
-
Safe for humans, pets, and pollinators
-
No re-entry interval
-
Won’t harm foliage or soil
-
IPM- and organic-compatible
Phytoseiulus persimilis are strict specialists—they only target spider mites. Nothing else.
Shipping & Storage
-
Ships 2-Day with live arrival guarantee
-
Hang immediately upon arrival for best performance
-
If delayed, store at 45–55°F for up to 24 hours
-
Do not freeze or store near dry air sources (like food fridges)