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Tree service for Ash tree diseases in Mesa Az.
Flatheaded appletree borer. The flatheaded appletree borer (Chrysobothris femorata) is a native insect to North America and is associated with several hardwood trees in Colorado including oak, maple, ash, and apple. It is a type of beetle in the “flatheaded
borer” (larval name) or “metallic wood borer” (adult name) family Buprestidae – as is the emerald ash borer.
Adults of this insect emerge from trees during May and June, cutting their way through the bark. They then move to the crown of ash trees and for a period of weeks will feed on the foliage. After mating and maturation of the eggs, the females will lay eggs on the
surface of the bark of host trees, with egg laying concentrated on limbs that are showing decline or injury.
Upon egg hatch the newly emerged larvae tunnel into the trunks or limbs. Feeding occurs shallowly, in the cambium. Tunnels have a meandering form, gradually increasing in diameter as the insects grow, and are packed with fine, somewhat granular, sawdust-like excrement (frass). Just prior to pupation the larvae bore a bit more deeply into the trunk and form a cell within which they will pupate. Larvae of the flatheaded appletree borer are cream colored, have a small head with pronounced dark jaws, feature a broadly flattened area in the behind the head, and have a very elongate and somewhat flattened body. The broad area behind the head, wider in the flatheaded appletree borer, can generally be used to distinguish this insect from emerald ash borer. However, when the question of proper identification of flatheaded borers in ash is necessary, larvae should be sent for expert identification. Tunneling in a dying ash limb produced by larva of the flatheaded appletree borer.
I hope you found this page about Flatheaded Appletree Borer useful. If you have any questions about Tree Disease please contact our Tree Service to schedule an appointment. We have been treating sick trees for over 50 years. We currently serve, Mesa AZ, Gilbert AZ, Chandler AZ, Scottsdale, Phoenix AZ and all of Maricopa County AZ.
We currently serve - Mesa Az. – Gilbert Az. - Tempe Az. - Chandler Az. - Queen Creek Az. - Scottsdale Az. – Paradise Valley Az. - East Phoenix Az.