Description of a new record species of Heterodera from China (Tylenchida, Heteroderidae)

A new record species Heterodera ripae was found in the rhizosphere soil of nettle (Urtica sp.) on the bank of the Mangniu River in Shenyang City, Liaoning Province, China. The new record species can be characterized by vulval cone bifenestrate with circular or subcircular semifenestrae, vulval slit length averaging 34.2 μm, vulval bridge mostly broad, underbridge weak, bullae absent; the second-stage larvae stylet knobs rather wide and slightly projecting anteriorly, tail length averaging 43.7 μm and hyaline region length averaging 22.3 μm.