Pear tree care..

I have a pear tree in my yard... Can anyone recommend what i should spray it with to keep the pests away from the fruit?

Want band names..

Thanks
Dirty Dog

I love pears also,here is a link that will help.
http://www.ehow.com/how_4515465_spray-pear-trees.html
OPH

Thanks for the link.. Perfect

ive got 2 pear trees in my back yard... bugs leave them alone and idk y but my dog ate like 10 a day when they fell