Phryganistria is a genus of stick insects belonging to the family of giant sticks. It was described by the Swedish entomologist Carl Stål in 1875. Members of the genus are found only in Southeast Asia. Of the new species described in 2014, Phryganistria heusii yentuensis, which – measuring 32 cm long – is the second biggest insect known to date. Another, Phryganistria tamdaoensis was selected in 2015 by the International Institute for Species Exploration as one of the "Top 10 New Species" for new species discovered in 2014. In May 2016, it was reported that Phryganistria chinensis Zhao, discovered in Liuzhou, China, in 2014, was the world's longest known insect at 62.4 centimetres (24.6 in).