pyrethroids), systemic treatments (imidacloprid, dinotefuran) and tree
injection (emmamectin benzoate, imidacloprid).
Order: Thysanoptera
Translation: "Fringed Wing"
Holometabolis
Key tree pests: thrips
Thrips, a name derived from the Greek word for "wood louse," can
be disfiguring and damaging to tree leaves. In rare cases, a thrip infestation may be heavy enough to cause the death of a plant, but more often
they are just damaging the leaves, buds, and flowers of trees.Although
thrips are tiny, they are a well-documented vector of certain viruses that
cause death to plants, particularly in agricultural or greenhouse settings.
Management tools include sprays (bifenthin, pyrethroids), and systemic
treatments (imidacloprid, dinotefuran).
Box elder bugs
in the past decade, so exactly who is now in the Hemiptera these days
depends on the source, but many well-known tree pests are generally
included.With a wide variety of body types, mouth parts, and feeding
preferences, this group has many easy-to-control, and difficult-to-control
members, so be sure you have properly identified your target for launching any control campaign. Management tools include sprays (bifenthin,
www.arborage.com
Other Orders of insects than impact plants,but not considered prominent tree pests, include Isoptera (termites), Diptera (flies, mosquitoes),
Phasmida (walkingstick) Orthoptera (grasshoppers),Odonata (dragonflies,
damselflies), Mantodea (mantids) and Dermaptera (earwigs).
Brandon M. Gallagher Watson is director of communications at Rainbow
Treecare Scientific Advancements,and is an ISA Certified Arborist (#MN-4086A).
Arbor Age / March 2013
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