Stratiolaelaps scimitus (Hypoaspis miles)

Fungus Gnat Predator

Use these beneficial mites to control fungus gnat larvae, thrips pupae and springtails in the soil.
Overnight Shipping Required. Orders ship on Tuesdays Only. Minimum 6 day processing time. Order by Wednesday for shipment Tuesday. See Shipping Info for additional information.
  • 12,500
    SKU: 1154000
  • $19.00
  • 25,000
    SKU: 1154002
  • $30.00
  • 50,000 (2 x 25,000)
    SKU: 1154005
  • $50.00
  • 125,000, 5 Liter Bag
    SKU: 1154010
  • $130.00
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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.

Additional Information:

This Product Controls These Pests or Diseases: Bean Thrips (Caliothrips fasciatus), Fungus Gnats (Bradysia impatiens), Root Aphids, Spider Mites, Springtails, Thrips (Franklinothrips spp)


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