Ambrosia Maple (Pencil Wormhole Maple) — Acer saccharum
High; the characteristic dark fungal streaks and pinholes originating from ambrosia beetle activity combined with the underlying maple tone are unmistakable. confidence

Ambrosia Maple (Pencil Wormhole Maple)

Acer saccharum · Hardwood

Type
Hardwood
Origin
Eastern North America, primarily the northeastern United States and southeastern Canada.
Hardness
1,450 lbf (Hard)
Durability
Non-durable; susceptible to decay and insect attack if left unprotected outdoors.

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Grain Pattern

Straight to slightly wavy grain with irregular streaks caused by ambrosia beetle infestation, flat-sawn appearance.

Color & Appearance

Creamy white to light golden-brown background color with striking dark brown, grey, and bluish-black streaks and mineral stains surrounding pinholes. Darkens slightly to an amber tone with age.

Hardness (Janka)

1,450 lbf (Hard)

Durability & Decay Resistance

Non-durable; susceptible to decay and insect attack if left unprotected outdoors.

Value & Sustainability

Estimated Market Value
$4.00 to $8.00 per board foot depending on width, length, and intensity of figure.
Wood Age Estimate
Estimated to be moderately aged lumber (several years to a few decades since milling), showing typical surface oxidation and checking.
Sustainability Status
Least concern; widely abundant, not listed on CITES appendices, and generally readily available through sustainable forestry practices.

Common Uses

Fine furniture, custom cabinetry, decorative panels, turning, accent pieces, and specialty millwork.

Geographic Origin

Eastern North America, primarily the northeastern United States and southeastern Canada.

Workability

Generally easy to work with both hand and machine tools, though it can burn easily when routed or cut if feed rates are too slow. Glues, turns, and finishes well.

Finish Recommendations

Takes clear finishes exceptionally well. Water-based or oil-based polyurethane, lacquer, or a simple hardening oil (like Danish oil) will highlight the contrast between the pale wood and dark mineral streaks.

Notable Features

Features distinct coloration patterns created by ambrosia beetles fungus staining the wood tissue surrounding their entry holes, giving it a highly decorative and unique appearance.

Learn more about Ambrosia Maple (Pencil Wormhole Maple) in the Wood Encyclopedia
Identified July 31, 2026