Bees in the pollination of seed crops

MANY SPECIES of bees are efficient pollinators and bees probably account for 90 per cent or more of all insect pollination. So it is not surprising that much of the new knowledge about pollination of entomophilous crops results from research on bees. Such knowledge is of considerable economic importance, since crops produced with the aid of bee pollination are worth annually many millions of pounds, and at least twenty times the value of the honey and wax obtained from the beehives.