Aprostocetus (Ootetrastichus) infulatus (Hymenoptera: Eulophidae): description of the male, new distribution and first host records

Abstract

The eulophid Aprostocetus (Ootetrastichus) infulatus (De Santis) has been previously known only from a single female holotype from Buenos Aires Province in Argentina. We obtained a series of specimens of this species using sentinel eggs of different species of Cicadellidae and Delphacidae, exposed in cornfields near El Manantial and San Miguel de Tucumán, in Tucumán Province, Argentina. The previously unknown male of A. (O.) infulatus is described and illustrated. For the first time, information on the host associations of this species is provided while its known distribution range is expanded to northern Argentina. This eulophid is an economically significant species in Argentina, where its hosts include two well-known vectors of corn diseases, the leafhopper Dalbulus maidis (DeLong & Wolcott) and the planthopper Peregrinus maidis (Ashmead).