title: New species of Potamocoris Hungerford (Heteroptera, Potamocoridae) from Costa Rica and a key to the species .
abstract: A new potamocorid species, Potamocoris sitesi NEW SPECIES, with its two wing morphs (coleopteroid and macropterous) are described from Costa Rica.  Descriptions are supported with photographs and illustrations. Parameres become progressively narrower, ending in a sharp needle-like point. This is the third species of Potamocoris known from Central America. A key to the species of the genus is provided.
authors.affiliation: Escuela de Biología, Universidad Nacional (UNA), Heredia, Costa Rica.; Email: fede.herrera.madrigal@gmail.com.
authors.forename: Federico
authors.initials: F
authors.lastname: Herrera
authors.affiliation: Escuela de Biología, Universidad de Costa Rica (UCR), San Pedro Montes de Oca, San José Costa Rica Centro de Investigación en Ciencias del Mar y Limnología (CIMAR),Universidad de Costa Rica; Email: unknown.
authors.forename: Monika
authors.initials: M
authors.lastname: Springer
mesh_terms: D063147:Animal Distribution; D000818:Animals; D003364:Costa Rica; D005260:Female; D020062:Heteroptera / Q000033:anatomy & histology* / Q000145:classification* / Q000502:physiology; D008297:Male; D013045:Species Specificity