Thompson (2010) considers Platynochaetus as a subgenus of Merodon.
Platynochaetus setosus (Fabricius, 1974).
Fabricius, J.C. (1794) Entomologia systematica emendata et aucta. Vol. 4, [6] + 472 + [5] pp. C. G. Proft, Hafniae [=Copenhagen].
Flowers visited by adults: Viburnum tinus (Speight 2010).
Flight period of P. setosus is from March to May (Speight 2010). M. Diges (pers. com.) have taken p[ictures on February 11th in Alicante (Spain).
P. setosus appears in Portugal, Spain, Mediterranean zone of France, Corsica, Sicily and North of Africa (Tunisia, Algeria, Morocco) (Speight 2010).
Males of this species fly extremely rapidly, zig-zagging round and through shrubby vegetation and hover at up to 3 m; settles on bare ground and on branches of dead shrubs (Speight 2010).
Adults' referred environment: forest; open areas in evergreen oak forest of Quercus ilex; Q. ilex maquis (Speight 2010). M. Diges (pers. com.) has seen P. setosus in Mediterranean coastal forest of dunes and pine trees with open areas of Mediterranean shrubs.
unless otherwise stated