Gaeolaelaps gillespiei

Gaeolaelaps gillespie predatory mite thrips


Gaeolaelaps gillespiei is a soil-dwelling mite native to Canada, discovered 30 years ago by Dave Gillespie of Agriculture Canada. While still not well known, it has proven very effective at controlling soil-dwelling Diptera. It consumes over 50% more fungus gnats than Stratiolaelaps scimitus (Hypoaspis miles). It is also able to control thrips on the ground.

Gaeolaelaps is a surface-dwelling mite unlike Stratiolaelaps scimitus, which works at a greater depth. It can be used on coconut fibre substrates and rock wool. Adults are light brown and less than 1 mm long, very similar to Stratiolaelaps scimitus. They move quickly at the surface of the soil. Gaeolaelaps gillespiei feeds on several species of pest insects, mites and invertebrates. Ideal for an in-depth “cleaning” of the soil before starting the season.


For the commercial market only.

Targeted crops

  • Market garden crops (cucumbers, tomatoes, peppers, lettuce, etc.)
  • Ornamental plants (diversifié, poinsettia, etc.)
  • Mushrooms
  • Potted plants
  • Bedding plants
  • coconut fiber substrate
  • Rockwool substrate
  • Hydroponics
  • Plant nursery

Targeted pests

  • Sciaridae (fungus gnats)Brasysia)
  • Small fruits thrips (Frankliniella occidentalis)
  • Mite pests (Tyrophagus putrescentiae)
  • Mealybugs roots
  • Collembola (springtails)
  • Nematodes pest

Life cycle

  • The complete life cycle takes about 18 days at 20 ° C (68 ° F).



  • AB009 - Gaeolaelaps gillespiei - 25 000 individual at various stages of development

Introduction rate

Gaeolaelaps gillespiei
Introduction Quantity Surface Frequency Duration
Preventive 100 per m2 Repeat if necessary after 2 to 3 weeks as needed
Curative 200 per m2 Repeat if necessary after 2 to 3 weeks as needed

Additional information

  1.   - The predatory soil mite, Gaeolaelaps gillespiei - Applied Bio-Nomics Ltd.
  2.   - Compatibility of soil-dwelling predators and microbial agents and their efficacy in controlling soil-dwelling stages of western flower thrips Frankliniella occidentalis (Biological control, 2016)

Targeted pest

Targeted production

Recent news

Did you know


Thrips can lay up to 300 eggs during their lifetime.

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