a new species from Ecuador (Hymenoptera: Dryinidae).

Background: is a speciose genus widespread in all zoogeographical regions, except Antarctica.

New Information: A new species, sp. n., is described below from Ecuador, Pichincha Province. The new species is similar to Olmi, known from Brazil, Minas Gerais. The main difference between these two species concerns the sculpture of the frons: in , the frons shows two lateral keels around the orbits directed towards the antennal toruli, whereas in , these keels are not present. The key to the Neotropical species of is modified to include the new species.