University of Maryland Extension

outdoor pests

Japanese Maple Scale - Woody Ornamental Host Plants

Japanese maple scale (JMS), (Lopholeucaspis japonica Cockerell) (Hemiptera: Diaspididae), is a prolific pest of major concern to nursery crop producers and landscape managers in MD and the eastern United States. Japanese maple scale fact sheet - Life cycle and control (pdf)  

Summer stingers – Eastern yellowjackets, Vespula maculifrons

Yellowjacket
Recently, while mowing my lawn, I was jumped by a wicked band of furious yellowjackets that swarmed from their subterranean redoubt and delivered a couple of memorable stings to my ankle. As I danced away from the swirling storm, they sought retribution on my unfortunate lawnmower. Yellowjackets...
Maintained by the IET Department of the College of Agriculture and Natural Resources. © 2018. Web Accessibility