NychogomphusNychogomphus is a genus of dragonflies in the family Gomphidae, erected by Frank Carle in 1986. Species have been recorded from the Himalayas, China, Indochina and western Malesia.SpeciesThe Global Biodiversity Information Facility lists: Nychogomphus bidentatus Nychogomphus duaricus Nychogomphus flavicaudus Nychogomphus geometricus Nychogomphus lui Nychogomphus saundersii Nychogomphus striatus ''Nychogomphus yangi''