Fold-winged
Guides
Ptychoptera
phantom crane flies
Ptychoptera is a genus of phantom crane flies comprising at least 70 described species. The genus is characterized by larvae that are aquatic or semi-aquatic detritivores inhabiting freshwater environments. Adults are recognized by their distinctive wing folding behavior, giving rise to the common name "fold-winged crane flies." Species occur across the Holarctic and Oriental regions, with significant diversity in China.