Mequite Borer – Megacyllene antennatus

Mequite Borer (Megacyllene antennatus) Latin Name: Megacyllene antennatus Common Name: Mequite Borer Appearance: Adults were most strongly attracted to blends of the latter two compounds in ratios approaching parity. Neither of the compounds was present in the bouquet of volatiles emitted by host plants of the larvae Eggs: The eggs are around 1-2mm long and hatch in the late fall. Larva/ nymph: Grub with a brown head 15-25mm long and cream-colored. Adults: The lengthy antennae extend 3/4 of the length of the body. Adults measure 19 to 25 mm in length and are characterized by yellow cross stripes on the thorax and a W-shaped band on the wing covers. Host plants: Acacia and Mesquite trees Territory: Native to southwestern North America Damage caused by Mequite Borer: Larvae grow in tree trunks, causing extensive tunneling that can engulf the plant and cause significant structural damage. Mesquite borers leave holes in the bark, as well as stains or seeping fluids on limbs or trunks. Foliage may darken and wilt, limbs may die back, and entire plants or branches may perish. On the other hand, Mesquite borers prefer to eat damaged, dying, or newly cut wood; healthy trees are rarely attacked.