The technique is to turn combs upside down and look for white deposits in the cells...they vary in size; they are mite scat...lots of mite scat means lots of mites. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Tom Sanford Extension Apiculturist University of Florida Mailing Address: Bldg 970, Hull Rd., Gainesville, FL 32611-0620 Voice phone 904/392-1801, Ext. 143 FAX 904/392-0190 INTERNET: [log in to unmask] BITNET: MTS@IFASGNV +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++