Contribución al estudio de los Gerridae (Hemiptera) de Cataluña

Resum

Contribution to the study of Gerridae (Hemiptera) fiom Catalonia
A. classification key the eight Catalonian species of the genus Gerris is given. A list of the localities in which have been found is presented. G. Iateralis has not been f ound in Catalonia, although presence is probable. The only subspecies of G. costai found is poissoni Wgn. & Zm.