Host location and oviposition in a basal group of parasitic wasps: the subgenual organ, ovipositor apparatus and associated structures in the Orussidae (Hymenoptera, Insecta) L. VilhelmsenNunzio IsidoroDonald L. J. Quicke Original Article Pages: 63 - 84
Anatomy and ultrastructure of the excretory system of a heart-bearing and a heart-less sacoglossan gastropod (Opisthobranchia, Sacoglossa) A. FahrnerGerhard Haszprunar Original Article Pages: 85 - 93
Ultrastructure and reconstruction of the pharynx of Leptonemella juliae (Nematoda, Adenophorea) M. HoschitzMonika BrightJörg A. Ott Original Article Pages: 95 - 107
Dynamic structure of the mesohyl in the sponge Chondrosia reniformis (Porifera, Demospongiae) F. BonasoroIain C. WilkieM. Daniela Candia Carnevali Original Article Pages: 109 - 121