πŸͺ² Beetles

Red Oak Borer

Enaphalodes rufulus

About Red Oak Borer

A large reddish-brown cerambycid that breeds in living red oaks across eastern North America. It has a strict two-year life cycle with synchronized adult emergence in odd-numbered years in some regions. Larvae bore into heartwood.

πŸ’‘

Did You Know?

Outbreaks of this beetle in the Ozarks during the early 2000s killed thousands of red oak trees across the region.

How to Identify Red Oak Borer

Red Oak Borer (Enaphalodes rufulus) belongs to the order Coleoptera, family Cerambycidae. Adults typically measure 18-30 mm.

Red Oak Borer Habitat

Red Oak Borer is found in woodlands habitats, particularly across Eastern North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Red Oak Borer Diet and Feeding

Red Oak Borer feeds on wood and bark, often boring into timber. Wood-feeding insects contribute to the decomposition of dead trees and nutrient cycling in forest ecosystems.

Where Is Red Oak Borer Found?

Red Oak Borer can be found in Eastern North America, where it inhabits woodlands environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Red Oak Borer can be found

Is Red Oak Borer Dangerous?

Red Oak Borer is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Red Oak Borer Role in Nature

Red Oak Borer is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.

Seasonal Activity

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Red Oak Borer

What does Red Oak Borer look like?

The Red Oak Borer typically measures 18-30 mm.

Where is Red Oak Borer found?

The Red Oak Borer is found in Eastern North America and typically inhabits woodlands environments.

What does Red Oak Borer eat?

The Red Oak Borer feeds on wood and bark, often boring into timber.

Is Red Oak Borer dangerous to humans?

The Red Oak Borer is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Red Oak Borer?

Outbreaks of this beetle in the Ozarks during the early 2000s killed thousands of red oak trees across the region.

Cite This Page

APA:
InsectDiscover. (2026). Red Oak Borer (Enaphalodes rufulus). Retrieved from https://insectdiscover.com/insect/red-oak-borer

MLA:
"Red Oak Borer." InsectDiscover, https://insectdiscover.com/insect/red-oak-borer.