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 ...

If you have aphids on a large tree and don't want to use chemicals, what should you do? According to Terrill Collier, president of Collier Arbor Care, you have three options: 1. Ignore it and live ...

When you buy a Christmas tree, you probably don’t spend a lot of time thinking about the bugs that might have called it home at one point. But experts say little creepy-crawlies called aphids like to ...

FARGO - Aphids are likely the insects to blame for affecting ash, elm, maple, linden and other trees for Fargo property owners, according to the City of Fargo. A news release states that aphids are ...

If you have aphids on a large tree and don't want to use chemicals, what should you do? According to Terrill Collier, president of Collier Arbor Care, you have three options: 1. Ignore it and live ...

Question: What is causing this white webbing that looks like it’s oozing from old pruning cuts in apple trees? Answer: I had never seen anything like those images of white foamy icing rings around the ...

Sticky shiny goop has started covering trees, dripping on anything underneath. Folks are calling to ask what this is. They are also noticing lots of ants on the plants. Are the ants causing this goo?

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 ...

Giant bark aphids, the elephants of the Aphidoidea world, have taken up residence in local oak trees, sucking up sap like college students on a spring-break bender. The aphid population has exploded ...

Last week, I wrote a fair amount about aphids, and how and what to use to treat them. One suggestion I got back from that column was to let people know where to get the materials I had suggested for ...

One of the best parts of the holiday is bringing a fresh cut Christmas tree into your living room to fill your home with its evergreen fragrance. If you've ever spotted something crawling on your ...

Q: I just read the article about citrus trees ("Saving Your Backyard Citrus Crop," Jan. 24, Lynette Evans). I have a very small Meyer lemon tree that I brought into the house during the cold nights.