Contact Us

Email us
Phone: +1.678.367.0981
Fax: +1.240.547.1795

Mailing Address

International Society of Arboriculture
PO Box 191
Annapolis Junction, MD 20701
United States

Physical Address

International Society of Arboriculture
270 Peachtree St NW, Suite 1900
Atlanta, GA 30303
United States

Order Delays Due to Physical Inventory

Due to ISA's annual physical inventory, orders placed between
2 p.m. EDT, Thursday, 20 June 2019, and 11:59 p.m. EDT, Friday 28 June 2019, will not ship until the week of 1 July 2019

Please plan your ordering accordingly.

We will resume regular turnaround times
1 July 2019.

Thank your for your patience.

Questions? Please call the customer service team at (678) 367-0981.

    Climbers' CornerTree Academy

    Unraveling non-target effects of insecticides: expected and unexpected consequences in urban forests


    Insecticides are important tools for arborists. In recent years, insecticide applications used in the arboricultural industry have received national attention for their effects on non-target organisms. Misapplications and correct applications of insecticides can have unexpected and sometimes deleterious effects on non-target organisms. We will review the science underlying non-target effects and review several case studies where insecticide applications affected populations and communities of non-target organisms.


    Mike is a professor and extension specialist at the University of Maryland at College Park. As internationally recognized expert, Mike has more than 200 publications and has made more than 900 presentations on the ecology and management of insects and mites. He is has appeared on all major television and radio networks and has been featured on The Science Channel, PBS, National Geographic, Dr. Oz and Jay Leno. He has received several awards including the Secretary of Agriculture’s Award for Environmental Protection, The President’s Award from Tree Care Industry, and the Richard Harris Authors Citation Award from ISA. His book “Managing Insect and Mite Pests of Woody Landscape Plants” is an authoritative guide for Arborists and Landscapers and his most recent book “26 Things that Bug Me” published by ISA introduces youngsters to the wonders of insects and natural history using pictures and rhymes. His web site is

    Climbers' CornerTree Academy

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