The Family Tarsonemidae in Costa Rica (Acari: Heterostigmata)

Abstract
The following 16 new species, two new genera and a new subgenus of the Family Tarsonemidae are described and illustrated: Daidalotarsonemus limonensis spec. nov., Daidalotar-soenemus ternifoliae spec. nov., Dendroptus irregularis spec. nov., Floridotarsonemus edule spec. nov., Neodendroptus gen. nov., Neodendroptus perseae spec. nov., Spinatarsonemus gen. nov., Spinatarsonemus alajuelensis spec. nov., Spinatarsonemus costarricensis spec. nov., Spinatarsonemus parsoni spec. nov., Tarsonemella (Paratarsonemella) ramirezi subgen. nov., spec. nov., Tarsonemus solengrandis spec. nov., Tarsonemus pseudokennedyi spec. nov., Steneotarsonemus comosus spec. nov., Steneotarsonemus kruseae spec. nov., Xenotarsonemus gordoni spec. nov., Xenotarsonemus camarae spec. nov. and Xenotarsonemus vargasi spec. nov. In all, 32 species are treated. Notes on field characteristics, host symptomatology and relationships with other pathogens are mentioned. Keys to the genera and species of Tarsonemus found in Costa Rica are presented.