Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

Streetlights left on all night cause leaves to become so tough that insects cannot eat them, threatening the food chain, a study has found. “We noticed that, compared with natural ecosystems, tree ...

Insects and disease are killing an unprecedented number of Southern California’s urban trees, but each day on his way to work, Los Angeles County plant pathologist Jerrold Turney sees opportunity amid ...

Invasive insects in the U.S. could kill up to 1.4 million street trees by 2050, according to researchers. In an international study published in the Journal of Applied Ecology, a team found that the ...

A strange pest has killed billions of dollars worth of trees in 30 states and two Canadian provinces. Since 2013, with its detection in Boulder, Colorado’s trees are now on the hit list. If you have ...

EMMET COUNTY, Iowa (KTIV) - The Emerald Ash Borer insect has been confirmed all over Iowa. On Thursday, Oct. 17, the tree-killing insect was confirmed in all of Iowa’s 99 counties, according to a news ...