Active day and night, the Rustic Borer is one of the most common borer beetles east of the Mississippi River.
Wide, black and white bands on the wing coverings of the Rustic Borer are its most obvious markings. On closer inspection, the top of each wing covering also has a yellow line that bends at a right angle. The 'neck' is round and may have red undertones. This round neck also has yellow patches: two by the eyes and two by the wings. The eyes may also show bright yellow marks near them. An overcoat of hairs may give the whole beetle a powdery appearance.
The larvae of this beetle bore just under the bark of dead or dying trees. Though their tunneling behavior does not damage healthy trees, they may be present in fresh firewood. It is not considered a pest, so managing or controlling its population is not necessary. Adults come to lights at night, but they also move about during the daytime.
Scientific Name: Xylotrechus colonus
Size (Adult; Length): 8mm to 15mm (0.31in to 0.59in)
Colors: black; white; gray; yellow; tan
Descriptors: wide pale bands; zigzag; orange antennae; orange feet; thin yellow line; right angle; round neck; black and white; flying; red head and neck
Note: An insect's reach is not limited by lines drawn on a map and therefore species may appear in areas, regions and/or states beyond those listed above as they are driven by environmental factors (such as climate change), available food supplies and mating patterns. Grayed-out selections indicate that the subject in question has not been reported in that particular territory. U.S. states and Canadian provinces / territories are clickable to their respective bug listings.
Antennae: Beetles have a pair of antennae on the head used as sensors.
Head: The head is home to the insect's eyes, antennae, and mandibles (jaws).
Thorax: Holds the three pairs of legs as well as vital internal organs.
Elytron: One of two wing cases on a Beetle that protects its wings (plural: elytra).
Wings: Appendages used for flying and kept under the elytra until needed.
Abdomen: Houses organs related to circulation, reproduction, and excretion.
Legs: Beetles have three pairs of legs located at the thorax, numbering six legs in all.