China experiences periodic outbreaks of northern armyworm infestation. Neem-based fertilizeres have been effective against the pest southern armyworm. Outbreaks of true armyworm swarms are not uncommon. Two classes of phenols were analyzed for their effect on the southern armyworm. The beet armyworm does not tolerate cold. There are over 60 wasp and fly parasitoid species that terrorize the true armyworm. The true armyworm is considered an agricultural pest. The fall armyworm was identified in Africa in 2016. This protein was found to significantly decrease fall armyworm larva growth. There are two types of African armyworm outbreaks&colon; primary and secondary. An outbreak of fall armyworm further threatened sorghum and maize production by July 2017. The larvae of the parasitoids live in the true armyworm and ultimately kill the host. The moth is known among local people as "Sena dalambuwa" (armyworm caterpillar). The fall armyworm may be presently undergoing a divergence into two separate species. The African armyworm is commonly found in the grasslands of Africa and Asia.