New species of the Eiphosoma dentator (Fabricius, 1804) species-group (Hymenoptera, Ichneumonidae, Cremastinae) from Brazil

a new species of eiphosoma cresson, 1865 (hymenoptera, ichneumonidae) is described based on five specimens collected in organic crops areas in araraquara and cravinhos municipalities, s？o paulo state, brazil. a diagnostic key to the neotropical eiphosoma dentator species-group is also provided.