Israel’s Biobee has sent 160 million predatory wasps to South Africa in order to reduce infestation levels of both the citrus mealybug and vine mealybug. Biobee’s insects have previously been used effectively in Russia, the Balkans and in Israel (see here).
http://www.biobee.com/2016/08/when-natural-solution-meet-growers-needs-in-south-africa/