The longitudinal
ridge on medially on the internal surface of the distal
region of the
second valvula.
second valvula.
written by: Boring, C.A., Sharkey, M.J. and Nychka, J.A., 2009. Structure and functional morphology of the ovipositor of Homolobus truncator (Hymenoptera: Ichneumonoidea: Braconidae). Journal of Hymenoptera Research, 18, pp.1-24.