Social Wasps and Their Nests - This website discusses all aspects of social wasps including hornets, yellowjackets and paper wasps. It includes an introduction, a gallery, a forum and numerous tips. Research on Chalcidoid Systematics - Information about research on the Chalcidoidea from the University of California, Riverside. Wasp Warriors: The Wasp Sting - Article by Maurice Smith with photographs of the stinging apparatus and a description of how a sting is inflicted. Parasitoid Wasp Threatens Scottish Seven Spot Ladybird - Photographic article by Anne Bruce on the effect the parasitic wasp Dinocampus coccinellae is having on the ladybird Coccinella septempunctata. Wood Wasps and Horntails - Information on these wasps in the families Siricidae, Xiphydriidae, Anaxyelidae and Orussidea, whose larvae tunnel through wood. Paper Wasps, Yellowjackets and other Stinging Wasps - Illustrated article on the different groups of wasps, their avoidance and control, and the medical importance of stings and their treatment. Chalcid Wasp - Information from Wikipedia on the superfamily of wasps, Chalcidoidea, most of the members of which are parasitoids of other insects. Parasite Wasps - Photographs and information on the parasitic species found in the Brisbane area, Australia. Bruchophagus roddi: Alfalfa Seed Chalcid - Photographs of adult and larvae, with information on symptoms and a description of this pest of alfalfa.