Not all insects are pests in fact a great many of them are beneficial
Pollinators like the Bees are one of the most important beneficial insects but
other insects can reduce your need for chemical insecticides and chemical fertilizers.
ladybug beetle – loves to eat aphids a main pest of most gardens.
Praying Mantis – eats many common pest insects.
Honey Bee – pollinates flowers and fruit
common Worms – break down compost and build good soil.
Some of the harmful insects for your landscape include:
Termites
Carpenter Ants
Red Ants
Insects that Feed on Leaves
Caterpillars
Sawflies
Leafminers
Leaf Beetles
Insects that Feed on Plant juices
Aphids
Spider Mites
Scale Insects
Mealy Bugs, Whiteflies, and Psyllids
Insects that attack Woody plants
Borers
Bark beetles
Tip Moths