Studies on ticks of veterinary importance in Nigeria. XVI. The oviposition pattern of engorged Boophilus and Hyalomma species when subjected in the laboratory to artificially created factors
  The genus Ornithonyssus Sambon 1928 in the Ethiopian region: description of a new species and a redescription of O. voseinnesi (Zumpt and Till, 1953) (Acarina, Mesostigmata)