Three new species of Chinese Bittacidae(Mecoptera)
Two species of Bittacus Latreille,1805 and one species of Terrobittacus Tan & Hua,2009 are described as new to science from Guizhou and Guangdong Provinces in China.Bittacus guanyinshanicus sp.nov.is recognized from its congeners mainly by the basal part of male upper branch of proctiger stout and broad,central portion constricted,and aedeagal lobe long,spindle-like in lateral view.Bittacus longifasciatus sp.nov.is distinguished by the wing with one large dark brown stripe.Terrobittacus nigrosetus sp.nov.is differentiated by the nota with a distinct dark median streak,and male epandrial lobe bearing dense long black bristles on basal ventral area.