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… Magnified view of a gloomy scale insect with its protective cover removed. The maple branch is … Melanaspis tenebricosa ) is a native type of armored scale insect and can be difficult to manage as their waxy body … predators and certain pesticides. Learn more about scale insect groups and biology in Introduction to Scale Insects . …

… Photo: J. Traunfeld, UME Updated: January 20, 2026 Native fruit plants, including elderberry, pawpaw, serviceberry, and chokeberry, can provide fruit for people and wildlife and support pollinators. They … parts, they are fertile at different times. When selecting trees, purchase at least two, either seed-grown or different …

… key practices:  Selecting varieties that have resistance to diseases such as early blight and Fusarium wilt Testing … your soil and amending it with organic matter Planting when the soil has warmed Giving plants adequate space to … of the hornworm moth. They are a mid to late-summer pest. Remove caterpillars by hand and discard. A large percentage …

… problems for the next year. Several of our most notorious insect/mite pests such as two spotted spider mites and thrips can …

… Updated: March 3, 2023 By Neith Little Chapter 1: Urban production systems In agricultural contexts, the word … will describe the types of production systems used in urban agriculture and introduce important topics that an urban farmer will need to consider to successfully produce a …

… more room for new growth. Pruning can also help reduce insect and disease problems by lessening stem crowding. Start … beneficial predators feed on a wide variety of insect pests. Learn to recognize their hexagonal-shaped egg masses, … the " How to Prune Your Boxwoods " video. Certain spider mite species, like boxwood mites and spruce spider mites, …

… non-UMD pages Phenological sequence of plant flowering and insect events with their associated GDD in Maryland. For more … cherry Prunus sargentii full bloom 140 A Boxwood spider mite Eurytetranchus buxi egg hatch 141 F Double weeping higan … Amelanchier x grandiflora first bloom 179 A Spruce spider mite Oligonychus ununguis egg hatch 179 A Boxwood psyllid …

… bites and cicadas ran in the Washington Post in response to numerous reports of people in the DMV with red, itchy … can be sent to the Maryland Department of Agriculture’s Plant Protection and Weed Management Program 50 Harry S. … Contact Angela Ferelli (angfer@umd.edu, 302-353-7159) How to connect with us! Plant Science Food Safety Website   …

… University of Maryland Extension The red legged winter mite, Penthaleus dorsalis has been found in the last few … Bt hybrids that have built-in resistance to different insect pests. Bt sweet corn varieties have been genetically …