-Zigzags subdivide as an A-B-C (5-3-5) sequence -Many times, wave C can be estimated using common rations and channeling The sub waves of an A-B-C zigzag appear as 5-3-5 Wave B of the zigzag cannot ...
DELAWARE, Ohio (WCMH) – An invasive insect known for leaving unique patterns on the leaves of elm trees has been spreading this summer. In July, Ohio became the latest state to confirm a population of ...
North Carolina has a new insect resident, one that poses a unique risk to elm trees. The elm zigzag sawfly (Aproceros leucopoda Takeuchi) was first detected in the United States for the first time in ...