Enaphalodes rufulus
| Enaphalodes rufulus | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Cucujiformia |
| Family: | Cerambycidae |
| Genus: | Enaphalodes |
| Species: | E. rufulus |
| Binomial name | |
| Enaphalodes rufulus (Haldeman, 1847) | |
Enaphalodes rufulus or Red Oak Borer[1] is a species of beetle in the family Cerambycidae. Native to North America, the Red Oak Borer attacks various oak species including Quercus velutina, Quercus rubra, and Quercus coccinea.[2]
It was described by Haldeman in 1847.[3]
Appearance
[edit]Red Oak Borers have characteristic eggs and larvae of woodboring cerambycids. Adults are sexually dimorphic.[4]
- Oblong, cream-colored eggs that are 0.1 in (2-3 mm) long.
- Cream-colored larvae that have dark colored mandibles and small jointed legs on the thorax. More mature larvae can measure up to 1.5-2 inches (4-5 cm) long.
- Pupae are tan colored and furrowed with extremities visible externally.
- Adults measure 0.8-1.2 inches (2-3 cm); color is a faded combination of tan, brown, and red. Female antennae are approximately body length, while males' measure twice the body length. Females tend to have larger bodies.
Identification
[edit]Red Oak Borer attacks can be identified by key indicators.[4]
- Appearance of crescent-shaped holes, approximately 0.1 inches (3 mm) long, on bark surface
- Late Instar feeding galleries are teardrop-shaped and relatively large in size.
- Adults exiting the tree create large circular holes.
References
[edit]- ↑ "Home, Yard & Garden Newsletter at the University of Illinois". hyg.ipm.illinois.edu. Retrieved 19 May 2021.
- ↑ "Forest Pest Insects in North America: a Photographic Guide: Red oak borer". www.forestpests.org. Retrieved 18 August 2025.
- ↑ Bezark, Larry G. A Photographic Catalog of the Cerambycidae of the World Archived 2013-08-27 at the Wayback Machine. Retrieved 22 May 2012.
- 1 2 "Forest Insect and Disease Leaflet 163: Red Oak Borer" (PDF). www.fs.usda.gov. Retrieved 18 August 2025.
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