The family Droseraceae is reported for the first time from Costa Rica represented by Drosera capillaris Poiret. The species grows in vernal pools of hyperhumid savannahs of tbe Parque Nacional Amistad, Puntarenas Province. The population was small, of sorne 30 individuals that reduce dipterans to empty exoskeleton s in 82 hr, Glandular secretion in higher when humidity is high and Jight is low. To date, the nearest locality reported for this species was Mexico.
Keywords: droseraceae, droseracapillaris, Costa Rica, floristics