Chewing lice, parasitizing mostly on birds, are a paraphyletic group that comprises a subgroup of the sucking lice. Myrsidea nesomimi (shown) is the parasite of Galapagos thrush. This is an interesting model system for the study of host - parasite coevolution, and microevolution changes in the populations of both organisms... (click the text for more information).
Svalbard, known in our country as Spitsbergen, is located far north of the Arctic Circle. It is the northernmost territory of Norway. Even this extreme place, especially the surrounding sea, houses diverse animals and they also host parasites. Some department members also hold the positions in the Centre for Polar Ecology and operate their research there... (click the text for more information).
Myxozoa represent a group of mysterious animals: indeed, they are extremely simple cnidaria with a parasitic life style. Their life cycles typically include fish and invertebrate hosts. Many aspects of their biology still remain unclear. The picture shows a SEM image of a myxospore of Chloromyxum cristatum... (click the text for more information).