REGION: Psyllid-killing wasp taking hold

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BY MARK MUCKENFUSS

A tiny insect from Pakistan is finding a foothold in the Inland Empire — good news for anyone with an orange tree in their yard or a citrus grove to maintain.

Tamarixia radiata is a wasp about half the size of a chocolate sprinkle. Innocuous to humans, it is a lethal threat to the Asian citrus psyllid. The psy…

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