1. Elghali, A., 1992. Studies on survival and biological behavior of Hyalomma anatolicum anatolicum (Koch, 1844) (Acari: Ixodidae). M.Sc. Thesis, U of K. Sudan.
2. The effect of temperature and humidity on development and longevity of Amblyomma triguttatum triguttatum (Acarina: Ixodidae);Guglielmone;Bull. Entomol. Res.,1992
3. Micrometrological factors affecting field host seeking activity of adult Dermacentor variabilis (Acari: Ixodidae);Harlan;J. Med. Entomol.,1990
4. Hassan, S.M., 1997. Ecological studies on Rhipicephalus appendiculatus and Amblyomma variegatum (Acari: Ixodidae): drop off rhythms, development, survival and seasonal population dynamics. Ph.D. Thesis, Kenyatta University, Kenya.
5. The temperature and humidity preferences of Haemaphysalis longicornis, Ixodes holocyclus and Rhipicephalus sanguineus. Studies on eggs;Heath;Int. J. Parasitol.,1979