One way to distinguish cyclamen mites from broad mites is by the egg stage. Cyclamen mite eggs tend to be laid in dark, moist areas. Eggs are smooth, elliptical and about 1/2 the size of the adult female.
Broad mite eggs are elliptical but are covered by small whitish bumps that look like rows of diamonds as seen here on a gerbera leaf. Broad mite eggs tend to be laid so they are more exposed on the underside of the leaf or stem surface than cyclamen mite eggs.