Overnight shipping required. Ships on Tuesdays only. Not available in store. See shipping info for details.
Knockdown and Preventive Control of Soil Dwelling Fungus Gnats, Root Aphids, Thrips and Springtails.
This tiny, translucent brown to tan predatory mite naturally inhabits the top layer of soil where pest insect larvae and pupae dwell. Stratiolaelaps scimitus (Hypoaspis miles) is primarily used for treating and controlling fungus gnat infestations, but can also be released as a control measure for root aphids, spider mites and thrips. Female S. scimitus predatory mites lay their eggs in soil where the nymphs and adults feed on pests. Nymphal feeding focuses on eggs and immature larvae (instars) of fungus gnats in addition to pupal stages of thrips. If the infestation being treated is severe, use S. scimitus along with Sf Beneficial Nematodes and Yellow Sticky Traps. Consider using S. scimitus with A. swirskii or N. cucumeris if you are treating an active thrips infestation.
Life Cycle & Optimal Conditions for Release:
The S. scimitus life cycle lasts around 13 days and can accelerate or lengthen in different environmental conditions. Optimal conditions for S. scimitus performance are temperatures from 60-74° and high relative humidity. These conditions refer to soil conditions more so than atmospheric conditions as the Stratiolaelaps are most active in the growing medium. Cooler temperatures can have a negative impact on reproduction and development.
Release rates: Some crops benefit when higher release rates are used preventatively.
|Type of Application ||Release Rate|
|General Releases ||5,000-10,000 S. scimitus per 1,000 ft2 depending on level of infestation.|
|Large Area Releases ||25,000-50,000 S. scimitus per acre depending on level of infestation.|
|Weekly applications are recommended until infestations subside. Please call for more information. |
This Product Controls These Pests or Diseases: Bean Thrips (Caliothrips fasciatus), Fungus Gnats (Bradysia impatiens), Root Aphids, Spider Mites, Springtails, Thrips (Franklinothrips spp)
S. scimitus feeds on a range of soil dwelling pests including fungus gnats, root aphids and thrips pupae. They should be applied directly to the growing medium. Release instructions for S. scimitus are found below. If you are a first time user of beneficial insects or mite predators, please call us at 1-800-827-2847 to walk through application instructions and best practices.
General Application Recommendations: Incorporate mites into growing media at potting or sprinkle onto growing media surface. Rotate tube several times before opening to mix contents. To open lid, push the cut-out on the lid where marked. Rotate lid cover to fully open position for application. Shake tube lightly and tap contents out gently to dispense mixture onto the surface of growing media; S. scimitus will quickly distribute through crop.
Environment: Outdoors, Crops, Orchards & Vineyards, Nursery, Greenhouse, Grow Room, Interiorscapes, Container Plants
Storage: If not releasing immediately, keep in a cool dark place out of direct sunlight. Do not refrigerate.
Viability Note: If you plan to check for viability, please do so upon receipt and prior to releasing the beneficial insects. Many predators and parasites are small and can be difficult to spot once released. If you believe there are issues with viability, please contact us at 1-800-827-2847 or email@example.com.
When Will My Order Ship?
- Orders ship Tuesdays only.
- Orders placed by Wednesday will ship on Tuesday. There is a minimum 6-day processing time on all S. scimitus orders.
- Overnight shipping is required and refers to the delivery time after shipment.
- Call us at 1-800-827-2847 to schedule repeated shipments of Fungus Gnat Predators for ongoing control.
Cannot Be Shipped To: HI,PR,VI,GU,AS,PW
What's In The Package: S. scimitus fungus gnat and mite predators are shipped as adults mixed with immature stages to account for some mortality in transit. Release immediately for best results.
- 12,500 ct. – 16 oz. bottle with vermiculite.
- 25,000 ct. – 1 liter bottle with vermiculite.
- 50,000 ct. – 1 liter bottle (x2) with vermiculite.
- 125,000 ct. – 5 liter bag with vermiculite.
Shelf Life: Use within 18 hours of receipt.
Write a review
Feb 2, 2021 | By David
Jan 28, 2021 | By Jonah
Owner Response: Thank you for your feedback Jonah. You may want to consider adding treatments of Sf Nematodes (compatible with Stratiolaelaps) to fight the larval stage of fungus gnats. If you have any questions, or would like to discuss more options, please contact one of our bio-control specialists at 800-827-2847.
Fast, friendly, accurate, and it works!
Jan 22, 2021 | By Randall
Great service & magical nature
Nov 14, 2020 | By Joe Downey
Stratiolaelaps scimitus (Hypoaspis miles) vs Thrips
Nov 1, 2020 | By Stacy
Apr 29, 2020 | By Autumn
Fungus gnat control
Jul 20, 2019 | By Daniel
Jun 12, 2019 | By Joanna
Feb 25, 2019 | By Heather Heath
Jan 7, 2019 | By Melissa Vaccaro
Aug 7, 2018 | By Karl McCament
May 2, 2018 | By MindfulFlora
Mar 24, 2018 | By Asif
Owner Response: Thank you for your feedback. There is some science that indicates predatory mites work in large reptile enclosures but they are not a guaranteed control for snake mites. Next time you have the issue, I suggest you call one of our specialists at 1-800-827-2847 to determine if there is any other product we can recommend for you.
Jan 29, 2018 | By Erick
Owner Response: That is fantastic to hear Erick! Fungus gnats seem to find their way in wherever they can.
Love these guys
Jan 23, 2018 | By Tyler