Alias: Beet Armyworm. These are a pest in the moth family. Adults lay eggs in the spring in a nest of finely woven hairs. Caterpillars hatch 5-8 days after. The caterpillar is distinguished from other ...

Deleting a gene linked to the production of sex pheromones in the beet armyworm (Spodoptera exigua) causes females to lose their attractiveness to males, offering a new potential route to control the ...