Emerald Ash Borer
The Emerald Ash Borer (EAB) rises by the thousands like a Phoenix in the night and splashes brilliant green silverly wings against the moonlight in an incipient plague across the Eastern US forests. This insect, arriving from Asia on ash 'pallet-wood' in Detroit in 2002, has no major predator to slow its population explosion in America and it has a 100% kill rate or mortality result for ash trees it finds. What this means for you, as a homeowner, is that about 5% of all trees in the yards and forests of Connecticut are ash trees, ..... and they are ALL likely to be infected and die. This is particularly concerning because dead ash trees seem to rot and fall apart the fastest of ANY tree species.
Good News; There is a treatment option that I am comfortable using, due to its low toxicity levels, called Tree-Azin that it is injected into the tree in the morning in the late spring or early summer. Tree-azin is a propietary compound isolated from the famous Neem Tree. Neem is known in homeopathic community since ancient times as a cleansing and restorative herb. The Neem components in Tree-Azin work as a growth regulator, preventing the insect from molting into the next larval phase and therefore killing it. The time has come to decide whether to treat your trees or take them out.
Bad News: The insect known as Emerald Ash Borer spreads and kills quickly, as evidenced by this photo. The first of these insects was spotted in Connecticut in the summer of 2012. The treatment option of Tree-Azin has an 83% effectiveness in protecting against Emeral Ash Borer, and it must be applied before 30% foliage loss in order to work. The time is now to identify and treat any ash trees which you want to save, and to also decide based on the cost ratio of treatment or removal. Once they start dying, the trees quickly rot and become too weak to remove by climbing.
Check out this article from late 2013 in American Forests magazine which illustrates the damage caused by the insect in Ohio on its march east from Detroit. https://www.americanforests.org/magazine/article/will-we-kiss-our-ash-goodbye/
Call Connecticut arborist Andrew Bachman for a recommendation on treatment or removal of your ash trees