Caenorhabditis elegans - Information from Wikipedia on this nematode which is widely used in research. ACeKit - A C. elegans Survival Kit - Introduction to Caenorhabditis elegans, including value to biology, biotechnology, medicine; and links to major bioinformatics resources and search engines. Pinworm - Information from Wikipedia on this parasitic nematode, Enterobius vermicularis, that affects humans, its classification and life cycle. Steinernema carpocapsae - Images of several life stages. WormBook - Provides an open-access collection of original, peer-reviewed chapters covering topics related to the biology of Caenorhabditis elegans (C. elegans). Steinernema (Neoaplectana) and Heterorhabditis Species - Information on research into these nematodes, which are parasitic on insects, with the aim of using them for biological control. Panagrellus redivivus - Information from Wikipedia on this free-living nematode, often known as the microworm, that is used by aquarists and fish keepers as a food for fish fry. Haemonchus contortus - Information from Wikipedia on this roundworm which is one of the most pathogenic nematodes of ruminants. Strongyloidiasis - Information from Wikipedia on this disease of humans caused by the nematode, Strongyloides stercoralis, and the life cycle of the parasite. The Roy Laboratory - Research interests are focused on the modulation of the cell cycle throughout development. Since the completion of the Caenorhabditis elegans genome sequencing project, this nematode makes an ideal subject for study. Internal Parasites of the Goat - Article about the complex life cycles of the nematode parasites, Haemonchus contortus and Strongyloides papillosus. Haemonchus contortus - Animation showing the life cycle of this large stomach worm. Click arrow to activate. Steinernema scapterisci: Mole Cricket Nematode - Information on the description, life cycle, biology, distribution, hosts, dispersal and bionomics of this species, which can be used as a biological control.