Invasive species reduce native species populations, but sometimes not by themselves

The effect of invasive species on native species is so commonly researched primarily because it doesn’t have a simple answer. Early explanations of the interaction between invasive and native species consisted of the theory of displacement; invasive species moved in, multiplied at a much faster rate than native species because they have no competition, consuming sunlight and other resources needed for growth of the native species, or predating on them.

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New JIPM Article on Brown Marmorated Stink Bug

The brown marmorated stink bug (Halyomorpha halys) is an invasive, herbivorous insect species that was accidentally introduced to the United States from Asia. First discovered in Allentown, Pennsylvania in 1996, it has since been found in at least 40 states in the U.S. as well as Canada, Switzerland, France, Germany, Italy, and Lichtenstein.

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Early signs of armyworm in Kentucky

In Southeast Farm Press

By Doug Johnson, Extension Entomologist, University of Kentucky

Something is most definitely up with armyworm, fall armyworm or both. I have received information from six counties in less than a week indicating the presence of large numbers of “worms” in grass situations.

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