University of Maryland Extension

Integrated Pest Management

Base Name: 

Predaceous Insects

Cicada killer Assassin Bugs: Highlighting the Wheel Bug

Assassin Bugs: A generalist predatory bug

Assassin bugs (Family Reduviidae) are generalist predators that feed on a range of herbivorous insects. There are several species of assassin bugs that are common in ornamental systems. Assassin bug species vary in color and size but many are brightly colored with red and black, others camouflage...

Archive: Greenhouse and Cut Flower IPM Reports

2015 IPM Alerts 2015 Alerts: September 29, 2015 September 15, 2015 September 1, 2015 August 11, 2015 July 23, 2015 June 30, 2015 May 26, 2015 May 5, 2015 April 21, 2015 April 7, 2015 March 19, 2015 February 24, 2015 February 3, 2015 January 13, 2015 2014 IPM Alerts October 21, 2014 October 7, 2014...

Growing Degree Days: Getting Them and How to Use Them

Author: Paula Shrewsbury, Department of Entomology, University of Maryland Insects (and mites) are cold blooded organisms and therefore their development rate is directly related to temperature – as temperatures get warmer insects develop faster. In addition, most insects have a lower and upper...

Plants to Consider

The plants in the list below are based on Plant of the Week articles in the Commercial Ornamental Horticulture Weekly IPM Report. Buddleia Pugster® Series Hellebore Heptacodium miconioides (seven-son flower) Iris barbata German bearded iris Matteuccia struthiopteris (elegant ostrich fern)...

New York Aster

Article and Photos of Symphyotrichum 'Wood's Blue' by Ginny Rosenkranz, Extension Educator, University of Maryland Extension Symphyotrichum (formerly Aster ) novi-belgii , New York aster, can grow as tall as 6 feet, but the Wood’s dwarf asters only top off around 2 feet tall. They begin to bloom...

Monitoring Scale Insects: Focusing on the crawler stage

Since 2010, we have been monitoring Japanese maple scale populations to determine the life cycle of this scale insect in Maryland. In 2013, we added Indian wax scale, white prunicola scale and juniper scale to the monitoring list to better determine crawler periods. There are systemic insecticides...

Thousand Cankers Disesase

Thousand Cankers Disease found in the Mid-Atlantic A newly described insect/fungus complex, called thousand cankers disease, has been responsible for the death of thousands of black walnut trees in the western U. S. for at least a decade. In the summer of 2011, the disease was confirmed for the...

Insects on Ornamental Plants

Ambrosia Beetle Emerald Ash Borer Monitoring Scale Insects: - Indian wax scale - Japanese maple scale - White prunicola scale


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