Pursuing further the joint effort between the Lab of Termitology and the Community Ecology Lab, we have just published a new paper analysing experimentally the reasons for the observed seasonality of the diamondback moth populations in the field:
Campos, Schoereder and DeSouza 2006. Seasonality in neotropical populations of Plutella xylostella (Lepidoptera): resource availability and migration. Population Ecology, 48: 151-158.