11.   -- Spiders are helpful to people because they eat flies, mosquitoes, locusts and other insect pests.

12.   Altering genes by transplanting them from different species instead of crossbreeding related varieties, bioengineers have already made corn and potatoes more resistant to insect pests.

13.   Disease-resistance, insect pests and messy fruit drop should be considered before purchase, not after.

14.   He says in the insect pest market, the bite left by bedbugs is negligible compared to cockroaches or ants.

15.   It has also increased populations of insect pests, which are damaging forests.

16.   Modern air travel whisks passengers around the world so quickly that fruit flies and other insect pests tend to arrive alive.

17.   Pesticides are useful against a wide range of insect pests, including aphids, earwigs and squash bugs.

18.   Pike gardens near-organically to avoid harming butterflies and beneficial insects, such as ladybugs and praying mantises, that eat insect pests.

19.   Perhaps no single insect pest generates more angst and economic injury for the homeowner than termites.

20.   Scientists have long argued that farmers should plant traditional corn to provide a refuge for insect pests that are susceptible to Bt toxin.