Orange growers releasing killer wasps on their enemy

  • Animals Premium
  • Friday, 28 Aug 2015

Scientist David Morgan holds a test tube containing the predatory wasp, Tamarixia radiata.

They look like grains of black sand inside a prescription vial.

But each speck is a wasp that is lethal to the offspring of the Asian citrus psyllid, an aphid-size bug that spreads the bacteria that cause Huanglongbing, or citrus greening disease.

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