Chitinous venom gland and reservoir intimas. (A) Schizopyga sp. (Pimplinae); (B) Perithous sp. (Pimplinae); (C) Delomerista sp. (Pimplinae); (D) Pseudorhyssa alpestris (Poemeniinae); (E) Rhyssa persuasoria (L.) (Rhyssinae); (F) Exeristes sp. (Pimplinae); (G) Clasis sp. (Claseinae).

Context in source publication

Context 1

... (Cylloceriinae) was scored as having two because the additional insertion is bilateral rather than median. We were unable to score this character for Pseudorhyssa which, although possessing a reservoir, lacks venom glands ( Figure 11D), and in the case of the Collyriinae, there is a well-developed venom gland but no reservoir (Quicke 1997). We were unable to find a gland in the specimen of Euceros frigidus prepared ( Figure 9F), however, the second Euceros species examined had a very small gland inserting at the apex of the reservoir ( Figure 9E). ...