Armyworms are the larvae of Spodoptera moths. There are over 30 different species of Spodoptera, which are found all over the world. Although structurally the same, there are differences between species in colour, host plants and geographical distribution.
A new study has unlocked the hidden ways in which important cash crops such as cowpea (Vigna unguiculata) tackle localised pest invasion and damage using natural defence mechanisms. Insights such as these are key for the future protection of our global agricultural production in the light of increasing pest outbreaks and crop damage.