Gonads and gametogenesis in Chaetodactylus osmiae (Acariformes: Astigmata: Chaetodactylidae) a parasite of solitary bees
  Cistein proteinases in the Boophilus microplus ovary
  Vitellogenesis and egg-shell formation in ovipositing females of the trombiculid mite Hirsutiella zachvatkini (Schluger) (Acariformes: Trombiculidae)
  Vitellogenesis and cuticular formation in the egg of Ornithodorus moubata Murray (Ixodoidea: Argasidae) study with the electron microscope