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Phytoseiulus persimilis is the gold standard for eradicating Spider Mites in high humidity environments (above 60% RH). Unlike generalist mites that eat pollen or debris, Persimilis is an "obligate predator," meaning it feeds exclusively on Two-Spotted Spider Mites. It is widely known as the "shock trooper" of biological control because of its speed and voracious appetite. These bright orange, fast-moving hunters can consume up to 35 pest eggs or 7 adults per day. If you have an active outbreak with webbing, this is your best option for rapid knockdown.

• Scientific Name: Phytoseiulus persimilis

• Best For: Rapid eradication of Two-Spotted Spider Mites (Tetranychus urticae).

• Safe For: Plants, humans, and pets.

• Key Feature: The fastest reproduction rate of any predatory mite—it can multiply faster than the spider mites it eats.

• Environment Requirement: Must have sustained humidity above 60% to thrive. Please use Californicus or Andersoni if your humidity fluctuates.