The monotypie Australian planthopper Busas Jacobi, 1909 with type species Busas dissolutus Jacobi, 1909 is redecribed. The taxonomical placement of Busas (in Gaetullini) and generic status of Busas and Paralasonia as valid taxa are confirmed. Paralasonia australis Muir, 1924 is recorded for the first time from New South Wales in Australia.
A new extraordinary monotypie genus of Ricaniidae is described from Mahé Island (The Seychelles archipelago) with a new species Mahecania trinigromaculata gen. et sp. nov. Photographs, drawings and SEM images are presented. Discussion is provided on unique and rare characters presented for this genus.
Three new genera of extinct Dictyopharidae, Lophopidae and Eurybrachyidae respectively are described. Wedelphus gen. nov. with Wedelphus dichopteroides sp. nov. placed in Dictyopharidae, Baninus gen. nov. with Baninus thuringiorum sp. nov. of the family Lophopidae and Amalaberga gen. nov. with Amalaberga ostrogothiorum sp. nov. placed in Eurybrachidae (first fossil record of the family) are described, all from deposits of the Grube Messel Lagerstätte in Germany. A representative of an unrecognised family, possibly related to Henriksenopterix Petrulevičius, 2005 is reported. The oil shales of the Messel maar in Hessen are well known for their extremely rich fossil flora and fauna. They are of Lower Middle Eocene age (about 48 million years) and contain a highly diverse insect fauna.
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