The woolly apple aphid (Eriosoma lanigerum) is a serious pest of apple trees, other fruit trees, ornamental trees, and some popular backyard shrubs. The pests cause many issues for the hosts as they ...

INSECTS The spirea aphid, Aphis spiraecola, an invasive pest, has been discovered for the first time in Denmark by University of Copenhagen researchers. The extent of its current distribution remains ...

Answer: Looking at the sample you brought in, the leaf curl on your peach tree branches is pretty extreme, and when I turned over and uncurled the leaves I found a ton of chubby green aphids hiding ...

Some of the leaves on my serviceberry and hawthorn have an ugly black residue on them. When I looked more closely at the trees, I noticed some things that looked like little cotton balls here and ...

Question: I think my peach tree has aphids, but how can I be sure? A: Green peach aphids are the most common aphids on peach trees. They are small and can be difficult to detect, but their damage is ...

In high enough numbers, aphids can cause big problems for fruit trees in the spring. Right when the tree is in the middle of its growth spurt, the aphids rob moisture from the tree. In spring and ...

Few insects strike greater fear into the hearts of orchard-owners than rosy apple aphids. These tiny bugs feed on the leaves of apple trees, draining them of nutrients. Their saliva, meanwhile, ...

This is one tree you want to avoid -- unless there's something about the nickname "Little Apple of Death" that appeals to you. At first glance, the Manchineel tree is quite beautiful, with lush green ...