1. Editorial

   EditorialNotes Pages: 381 - 381

2. Obituary-Dr. R.A.I. Norval, B.Sc., Ph.D., D. Sc.

   Announcement Pages: 381 - 382

3. Factors affecting the distributions of the ticks Amblyomma hebraeum and A. variegatum in Zimbabwe: implications of reduced acaricide usage

   • R. A. I. Norval
   • B. D. Perry
   • T. H. Booth

   OriginalPaper Pages: 383 - 407

4. A population model for Dermanyssus gallinae (Acari: Dermanyssidae)

   • Veronika Maurer
   • Johann Baumgärtner

   OriginalPaper Pages: 409 - 422

5. Optimisation of a screening procedure for house dust mite numbers in carpets and preliminary application to buildings

   • Stephen K. Brown

   OriginalPaper Pages: 423 - 434

6. Factors influencing host choice of the honey bee parasite Varroa jacobsoni Oud

   • Bernhard Kraus

   OriginalPaper Pages: 435 - 443