Megamerini is a tribe of frog-legged leaf beetles found in Australasia, Madagascar and South America.
Genera The following 10 genera are placed in Megamerini: Ametalla Hope, 1841 - southwestern Australia Atalasis Lacordaire, 1845 - Argentina Coolgardica Blackburn, 1899 - Australia Mecynodera Hope, 1841 - eastern Australia and Papua New Guinea Megamerus MacLeay, 1827 (type genus) - Australia, Madagascar and Brazil Neodiaphanops Blackburn, 1899 - Australia Polyoptilus Germar, 1848 - Australia Pseudotoxotus Blackburn, 1889 - northern Australia †Palaeatalasis Legalov, 2021
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