Brown birch trees in both Southcentral and Interior Alaska this summer aren't signaling an early fall. Rather, they are subject to an infestation of small, leaf-munching larvae. Alaska is in the midst ...

Q: Can you help me figure out what’s likely going on with this river birch tree? The tree has been dropping leaves incessantly since about April/May, hundreds per day. Should this tree be dropping its ...

Q. I have a clump birch that was planted in 1991. It has grown beautifully until this year. Long "seed worms" developed on two trunks, then shriveled up and now there are dead leaves on some of the ...

Question: I'm writing to ask what to do about a 25-28- year-old white birch in my front yard. The leaves are turning yellow and falling at an alarming rate. This is the first time I have noticed such ...

Dr. Sydney Brannoch holds a single birch leaf showcasing the damage caused by both species of birch leafminer which are responsible for this current outbreak: amber-marked birch leafminer and late ...