Two new genera of Eulophinae (Hymenoptera: Eulophidae), including four new species parasitoids on Gracillariidae (Lepidoptera) leaf miners in Costa Rica
Two new genera, Petiolachertus and Macroplectron, each with two new species, P. castor and P. pollux, T. nishidai and T. safron, respectively, are described. Petiolachertus belongs in the tribe Eulophini and Macroplectron in Cirrospilini. Petiolachertus castor, P. pollux and T. nishidai are described from both sexes and have been reared from Gracillariidae leaf miners (unidentified Gracillariidae
