What is happening: A pest native to South/Central America has now turned up in Asia crops, representing the issue of spreading infections between developing nations.
Trade: Trade between developing nations has more than doubled in terms of global trade shares in the past 25 years. This number is only continuing to rise each year. Trade between these countries however is more at risk of spreading invasive pests.
Shipping: Many supply chains pay close attention to agriculture when transporting, especially in terms of these pests. However, this may not be so prevalent in the trade between developing nations.
India: Maize production is taking a hit in India due to the caterpillar. Some African countries are importing maize for the same reason.