The pronotum (neck area) is also white and has large black spiky ovals on it. Image Credit: Rob W. from Sand Springs, OK, Updated: 9/23/2020; ), pears, pecans, poplars, and other trees, by feeding in the crown and larger roots. Scientific Name: Plectrodera scalator Fabricius Description: Adult beetles can be found on and around host plants during the summer.

According to BugGuide: “Adults are reported to browse on shoots of host trees, especially leaf-stems (petioles), and bark.” The host tree is the cottonwood. Texas A&M University recommends removing cottonwood tree if they appear to have borer marks from the beetles. More commonly, they structurally weaken the tree causing it to fall over in high winds. Larvae of root borers, such as the tilehorned prionus, Prionus imbricornis (Fabricius), attack apples, Prunus (peaches, plums, etc. There are a great many other cerambycid beetles that attack trees and other plants, but few others have larval stages that feed on roots or are larger than the cottonwood borer. The material presented across this site is for entertainment value and should not be construced as usable for scientific research or medical advice (insect bites, etc...) Please consult licensed, degreed professionals for such information.

Its body is a creamy white or ivory color with two rows of black blocks on each wing covering. It stands among some of the largest beetles in North America. Mated females dig burrows at the base of the tree and lay yellowish-white elliptical eggs in niches of chewed, shredded bark around the crown and buttress roots. By submitting images to us (BeetleIdentification.org) you acknowledge that you have read and understood our. Larvae are legless, cylindrical (oval in cross section), creamy-white bodies and brown to black headed, growing to 1 ½ inch long. The pronotum (neck area) is also white and has large black spiky ovals on it. The body is beautifully marked with a bold pattern of black rectangular areas on a creamy white to yellow background. The bite may even draw blood. For additional information, contact your local Texas A&M AgriLife Extension Service agent or search for other state Extension offices.

Click for a hub of Extension resources related to the current COVID-19 situation. It has extremely long antennae that grow to lengths beyond its own body. They are large (1 1/4 inch long), robust longhorned beetles with black antennae as long or longer than the body. It is the only species in the genus Plectrodera. Your beetle is a Cottonwood Borer, Plectrodera scalator , one of the most beautiful North American beetles. We would urge you to … Life Cycle: Adult beetles emerge from mid-May through early-July. Heavily-infested mature trees, particularly in sandy soils, slowly decline and die. They develop over a period of 3 to 5 years. Infested mature trees are usually not seriously injured. Cottonwood Borers live near river banks and prefer wooded areas with poplar, willow and cottonwood trees.

Habitat and Food Source(s): Mouthparts are for chewing. Photo by C. Allen.

Its body is a creamy white or ivory color with two rows of black blocks on each wing covering. This recommendation can vary on the evaluation from the tree doctor TDA inspector. Cottonwood borers primarily infest cottonwood, but also occur on poplars and willows. Various colors commonly associated with this beetle. It is one of the largest insects in North America, with lengths reaching 40 millimetres (1.6 in) and widths, 12 mm (0.47 in). The cottonwood borer (Plectrodera scalator) is a species of longhorn beetle found in the United States east of the Rocky Mountains that feeds on cottonwood trees. They are often packed with wood shavings (frass). It has extremely long antennae that grow to lengths beyond its own body. Normally depends on the Geo-targeting of the tree and what posing dangerous to residential areas.

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Cottonwood Borer, (Plectrodera scalator Fabricius) is found in the eastern US, New York.

Adults can be found on infested host plants during the daytime. Capability, Shape, Texture/Pattern, Benefits, Dangers. Description: Adult beetles can be found on and around host plants during the summer.

The body is beautifully marked with a bold pattern of black rectangular areas on a creamy white to yellow …

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Pest Status: Adults are commonly encountered on trunks and branches of cottonwood and willow trees and other host plants during the summer months. Galleries, at and below the soil line, vary in length and form tunnels up to 8-inches long to 2- to 3-inch diameter oval areas, depending on tree size and infestation site. Common Name: Cottonwood borer The beetle has a white face with black antennae. Cottonwood Borer.

The map below showcases (in blue) the states and territories of North America where the. Larvae and adults feed on willow and poplar, with cottonwood being the most preferred. They may also make a little buzzing/hissing sound when handled. Adult beetles can be found on and around host plants during the summer. The Cottonwood Borer is part of the Long-Horned Beetle family.

Larvae (grubs) tunnel around the crown and buttress roots. Viewed head-on, the large mandibles of the cottonwood borer are very visible. It stands among some of the largest …

Damage: Young trees may be killed when larvae tunnel under the bark (through the xylem tissue) all the way around the base of the tree, girdling it.

Adults feed on leaf stems (petioles) and bark of tender shoots, occasionally causing shoots to break, wilt and die, a symptom called, “flagging.”. Cottonwood borer, Plectrodera scalator Fabricius (Coleoptera: Cerambycidae). Cottonwood Borers do not pose any threat to children, though they do have very powerful mandibles and they might produce a painful bite if carelessly handled.

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