Population ecology of galling arthropods in the neotropics

Abstract

The available information on the population ecology of galling arthropods (mainly insects) in the Neotropics is reviewed. Patterns of gall abundance in time and space are considered, with a discussion of seasonality and host synchronization. The contribution of various mortality factors to abundance is also compared, considering both top-down (parasitoids, predators) and bottom-up (host plant). Competition is also considered, but sources appear scarce. The methodological appropriateness of distinguishing galls and gallers is mentioned, since it is easier to only take galls and gallers within galls into consideration, not exploring other galler life stages as adults and eggs. Finally, plant biological control programs using gallers from the Neotropics are addressed in a more practical view of galling arthropod population ecology.