denotes titles either for sale for noted price or to pick up free according to the rules.
this title is not in stock now, but will be obtained on demand by about one month.
PDF to buy
PDF on demand
Kerrich G. J., 1952: A review, and a revision in greater part, of the Cteniscini of the Old World (Hymenoptera: Ichneumonidae). 7 plates, 155 pp.  Bulletin of the British Museum (Natural History), Entomology 2(6): 305-459.