Eight new species of Anomala from Costa Rica are described: A. arthuri new species, A. cupreovariolosa new species, A. ferrea new species, A. nigroflava new species, A. semilla new species, A. solisi new species, A. volsellata new species, A. zumbadoi new species and a distribution map of each is given. The male genitalia (aedeagus and endophallus) of the species covered are illustrated.Financial support was provided by the Agencia Española de Cooperación Internacional para el Desarrollo (AECID) projects A/4426/05, A/6788/06, A/019887/08, A/023060/09 and a PhD grant to V. Filippini from the Spanish Ministry of Education
