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Galendromus occidentalis

Galendromus occidentalis predatory mite


Galendromus occidentalis is a predatory mite used to supress pest mites in warm and dry environments. It is used primarily in the suppression of two-spotted spider mites (Tetranychus urticae) at low humidity.

Adults are pear-shaped, 0.5 mm long, with 8 long legs. They can vary in colour from cream to red. The immature stages are generally a semi-transparent cream colour with only 6 legs. The eggs are oval and 0.3 mm in diameter.

Targeted crops

  • Desert and semi-desert plant
  • Cacti plants
  • Succulent plants
  • Soya
  • Cannabis
  • Orchards

Targeted pests

  • TTwo-spotted spider mite (Tetranychus urticae)
  • McDaniel spider mite (Tetranychus mcdanieli)
  • European red mite (Panonychus ulmi)
  • Citrus red mites (Panonychus citri)
  • Euriophyid mites
  • Broad mites

Life cycle

  • Galendromus occidentalis has a life cycle of 7 to 14 days at 30 °C (86°F).
  • The optimum conditions are a temperature above 26 °C (78°F) to 43 °C (109°F) and a relative humidity of 30% to 40%.
  • Females lay about 21 eggs in their lifetime (30 days)
  • Feeds on nymph and adults.
  • Enters diapause in colder conditions temperature


Plastic container

  • 2 000 and 5 000 adults on vermiculite.

Introduction rate

Galendromus occidentalis
Introduction Quantity Surface Frequency Duration
Preventive 2 per m2 bi-weekly 2-3 applications in total
Curative light 5 per m2 Weekly 2-3 applications in total

Targeted pest

Targeted production

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Did you know


Aphids, thrips and whiteflies are pests capable of breeding by parthenogenesis (without male fertilization).