Hind leg of O. luteus with arrow pointing to trochantellus (leg parts as follows from top left to bottom right: coxa, trochanter, trochantellus, femur).

 
 
  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