Viewing: oak trees

Tubakia, or not Tubakia? That is the Question.

By on October 31, 2018

Recently, oak trees throughout North Carolina are falling victim to a disease, evident by browning leaves  and premature leaf drop. When encountering a situation like this, forest health professionals handle it like a detective case, examining the available evidence, ruling

Don’t let the oak slug sawfly haunt you

By on August 30, 2017

Skeletons are becoming a familiar sight in Durham this summer, and it’s not from overly excited fans of Halloween décor. These skeletons are of once-green oak leaves, the remaining veins after the oak slug sawfly has had its fill. This

Variable oakleaf caterpillar has big appetite, poses minor threat (unless caterpillar poop bothers you)

By on July 26, 2017

  This summer, North Carolina has its own “Very Hungry Caterpillar,” a favorite children’s book character known for its large appetite. This caterpillar won’t eat through various fruits, cupcakes and ice cream as it does in the book, though. Rather,

Strong as an Oak: Trees should be OK against seasonal pest

By on August 17, 2016

Summer is winding down, which means backpacks, No. 2 pencils, and the orangestriped oakworms are back! This native caterpillar is black with orange stripes and has two conspicuous horns near its head. Every year as we head into the last few

Two tree pests affect oaks and yellow-poplar in Western N.C.

By on July 1, 2015

Most years, native forest pests munch on trees, never really causing huge disturbances or widespread damage.  Natural enemies, environmental conditions, and interactions with the host plant generally keep populations low. But every once in a while, when environmental conditions are

Nature’s acorn drop

By on January 1, 2014

It’s the New Year and the City of Oaks welcomed 2014 with the annual acorn drop. Each year, a large, copper acorn is lowered in downtown Raleigh at midnight amongst fireworks, music and festivities. But the big, shiny acorn at