Soil mites in wheat fields were surveyed in
Qualubia Governorate, Egypt, during the season
1993. The encountered mites was belonging to five
systematic groups.These are:Cryptostigmata,
Prostigmata, Mesostigmata, Astigmata and
Heterostigrnata.The density of soil acari reached
the maxima in March and May with average of 105
and 212 individuals/lOGO cc soil respectively.
Cryptostigmata not only occurred in great
abundace but also dominated other acari groups in
number since it contributed 33.9% of all numbers
of acari, while Prostigmata constituted 31.9%,
Mesostigmata (13.2%), Astigmata (11.2%) and
Heterostigmata (9. 7%).