Mandible of Ophion crassicornis (Westcott, Bucks., 21.v.2009, coll. D. Wilton, BMNH).

 
 
  Part of: Broad GR, Schnee H, Shaw MR (2015) The hosts of Ophion luteus (Linnaeus) (Hymenoptera, Ichneumonidae, Ophioninae) in Europe. Journal of Hymenoptera Research 46: 115-125. https://doi.org/10.3897/JHR.46.5347