Encarsia formosa & Eretmocerus eremicus – Whitefly Parasitoids Blister Packs
Product details
| Management number | 250625506 | Release Date | 2026/09/17 | List Price | US$31.58 | Model Number | 250625506 | ||
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Both whitefly wasps, gradual release, so you cover both species hands-free
This is the dual-species whitefly program in a gradual-release format. The blister packs carry both Encarsia formosa and Eretmocerus eremicus, so greenhouse and silverleaf whitefly are both covered, and the wasps emerge slowly over time for steady, hands-off protection. You do not need to identify which whitefly you have, and you do not need to time a single burst. Hang the packs and let both species work the canopy.
Live insects ship on Tuesdays only and arrive Wednesday. Orders must be placed 7 days in advance. Anything ordered by 3pm EST Tuesday ships the following Tuesday by UPS overnight shipping.
- One wasp covers only one whitefly species
- Open cards release over a shorter window
- You must identify the species to treat right
- Whitefly rebuild fast after spraying
- Chemicals leave residue and re-entry waits
- Coverage ends when spraying ends
- Two wasps cover greenhouse and silverleaf together
- Blister packs extend emergence for steadier cover
- No identification needed, both are covered
- Parasitized scales die and produce more wasps
- No residue and no re-entry interval
- Wasps reproduce on site for ongoing control
Both whitefly species, one pack 2 wasp species
Encarsia formosa handles greenhouse whitefly and Eretmocerus eremicus handles silverleaf, so the pack covers whichever you have without needing to tell them apart.
Extended, gradual emergence
The blister format releases both wasps slowly over time rather than in one burst, giving steady whitefly coverage from a single hands-off placement.
Kills the hidden nymphs
Both wasps lay eggs in whitefly larvae and pupae on the leaf undersides, killing the pest at the stages sprays rarely reach.
Clean canopy placement
The packs hang in the canopy and protect the wasps as they emerge, keeping the release clean and off flowers, buds, and fruit.
No guesswork
Because both species are present, you are covered whether you have greenhouse whitefly, silverleaf, or a mix, which removes the identification headache.
Builds its own numbers
New wasps emerge from parasitized scales, so a repeated program develops a self-renewing dual-species population in the canopy.
Hang the blister packs in the canopy; both wasps emerge gradually over time.
Space them evenly, shaded from direct sun and drip.
Repeat during whitefly pressure for steady dual-species cover.
No need to identify the whitefly; both species are covered.
How the dual-species packs clear whitefly
Hang the packs
Place the blister packs in the canopy across the grow, spaced fairly evenly and shaded from direct light and drip.
Both wasps emerge gradually
The packs release Encarsia and Eretmocerus slowly over time, spreading coverage across an extended window.
They parasitize the nymphs
The wasps lay eggs in whitefly larvae and pupae on the leaf undersides, which darken and die instead of maturing.
Population renews itself
New wasps emerge from parasitized scales, so a repeated program keeps both whitefly species suppressed over the season.
- Dual-species blister packs with Encarsia and Eretmocerus
- Count matched to your chosen size
- Hanging and release instructions
- Insulated overnight packaging
- Format: gradual-release blister packs
- Prefer faster release? the Encarsia and Eretmocerus mix cards release sooner
- Program: repeat during whitefly pressure for steady cover
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