The biology of Hypoaspis aculeifer (Canestrini) (Mesostigmata). Is there a tendency towards social behavior?
  Comparative studies on four strains of Typhlodromus occidentalis Nesbitt (Acarina: Phytoseiidae). IV. Life history studies
  Macrocheles rodriguezi, a new species of mite from Kansas (Acarina: Macrochelidae) with notes on its life cycle and behavior