As resistant American elms are making a comeback on US streets, so are their pests.
I can expect this encounter to go one of two ways. This is a woman with an insatiable appetite for learning, whose scholastic intrigue cannot keep her from asking me what I am doing, OR she is a slightly disgruntled neighbor. She is the latter.
Pink-striped oakworms are chomping on oak trees in Raleigh right now and leaving piles of frass (poop) in their wake. Spot them on your trees by looking for branches with all of their leaves chewed off.
What would be the easiest citizen science project ever? Watching paint dry? Falling off a log? Maybe. But what would you, or anyone else, learn from that? We are starting a citizen science project almost [...]
A spider in the family Anyphaenidae has made its home on a twig infested with scale insects. Photo: Emily Meineke, Harvard University I think by now most people accept that we can’t hope [...]
Climate change is generally considered bad for people, earth’s biomes, and, of course, polar bears. But as the climate warms will all critters suffer? Will they all be affected the same way? No. In addition [...]
This is a guest post from our former student (now postdoc at Harvard) Emily Meineke. Through years of studying urban trees and the insects that eat them, we, the Frank lab, have discovered that warming [...]
Silhouette of an ash tree infested with EAB showing classic thinning in the crown. Photo: David Cappaert, Bugwood.org Emerald ash borer is continuing to spread through NC. So far this summer, it's already [...]
Gloomy scales on red maple. Photo: AG Dale We have studied the effects of urban warming and other factors on tree pests and tree health for several years. The gist of it is [...]
This is a guest post by our PhD student Larry Long. Flagging of apical shoot and frass expelled from larvae developing inside the stem and beneath the lateral leaves. Photo Credit: Larry Long, NCSU [...]