First known host records for the egg parasitoid Gonatocerus californicus (Hymenoptera: Mymaridae)

Abstract

Two leafhopper (Hemiptera: Cicadellidae) hosts are reported for Gonatocerus (Gonatocerus) californicus Girault (Hymenoptera: Mymaridae): Exitianus obscurinervis (Stål) and Spangbergiella vulnerata lacerdae Signoret. At El Manantial site in Tucumán Province, Argentina, G. californicus emerged from 7.1% and 90.5% of the parasitized sentinel eggs of the respective host on maize plants. Notes on the biological traits of G. (G.) californicus are provided.