Some Actinedida (= Prostigmates) of the soil of North America. IV. A new larval form and its adult belonging to the subfamily Microthrombidiinae (Acari, Thrombidiidae)
  Thrombidiidae from South America. 11. Chyzerini, Thrombidiinae: Solenidiotaxy of palp in some Thrombidiidae: relationship between Podothrombium Berlese, 1910, Variothrombium n.g. and theThrombidiinae s.l