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The world fauna of 28 leafhopper species living in moss or leaf litter (formerly subfamily Myerslopiinae) belong to 3 unrelated tribes: (1) Evansiolini (subfamily Megophthalminae) - 3 species of Evansiola Metcalf from Juan Fernández Is (Chile); (2) Sagmatiini, trib. nov. (subfamily Euacanthellinae) - one species of Paulianiana Evans from Madagascar, 3 new species of Sagmation , gen. nov. from Australia and New Caledonia, and 6 species (5 new) of Myerslopella Evans from Australia; (3) true Myerslopiini - 5 species of Myerslopia Evans from Chile and New Zealand and 10 species of Pemmation , gen. nov. from New Zealand. Myerslopiini are placed in the new family Myerslopiidae, exhibiting a combination of cicadoid and cercopoid features not found in other Membracoidea. Keys are presented to the genera and species of Sagmatiini, and a phylogeny of the families of Membracoidea is proposed based on 35 synapomorphies.
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K. G. Andrew (1999) studied this question.
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