A new record of phoretic mites on honey bee Apis mellifera L. in Egypt.

Five species of mites, belonging to different families, were found infesting honeybee workers, Apis mellifera L., in different apiaries in Al-Gharbiya Governorate, Nile Delta. All the identified species except Varroa jacobsoni Oudemans (Varroidae) are new records for the phoretic bee mites in Egypt.

Pairing of Schistosoma mansoni males in infected Syrian hamsters.

Pairing of male schistosomes in the liver of infected hamsters was recorded with Egyptians S. mansoni strain. The homospecific male pairs never carried each other in the gynaecophoric duct, but they being closed in either central or hepatic veins.

Studies on larval digenetic trematodes of xiphidiocercariae from some Egyptian fresh water snails.

Six xiphidiocercariae are described from seven Egyptian snails, includes Cleopatra bulimoides, Malanoides tuberculata, Lymnaea cailliaudi, Bulinus truncatus, Biomphlaria alexandrina and Lanistes carinatus collected from Giza (Abou Rawash) and Qualiobyia (Qualiuob). Details are presented on the morphology, behavior of the cercariae, as well as other larval stages within the snails, with discussion and comparison between the previously described cercariae.