Materials, objects and common damaging insect pests

Material

Cellulosics: Solid masses such as timbers and shelved books

Damage to representative objects

Holes bored in book block and board book covers, wood implements, and furniture. Wood structures bored into are weakened, especially near end grain (joints) of beams, poles, piles, sills, rafters, and flooring.

Common pests

Structural wood pests, lyctids (hardwood only), anobiids, longhorn beetles, carpenter ants, termites (limited range in southern Ontario and British Columbia). Also, a wide variety of wood-boring insects are found in rotten wood and wood outdoors in damp conditions.

Material

Cellulosics: Paper surfaces

Damage to representative objects

Grazing to eating book covers, artwork, letters, wallpaper, and insulation.

Common pests

Silverfish, cockroaches, book lice (psocids).

Material

Plant fibres and flower parts, leaves, and bark

Damage to representative objects

Herbarium specimens, baskets, cordage, and coarse-fibre goods.

Common pests

Cigarette beetle (Lasioderma serricorne), drugstore beetle (Stegobium paniceum), Reesa vespulae, ptinids.

Material

Starches

Damage to representative objects

Boring into stored seeds and grains. Consumption of adhesive paste joints..

Common pests

Weevils, Indian meal moth, cockroaches, silverfish.

Material

Keratin: Hair, fur, nails, horn, and baleen

Damage to representative objects

Stripping of fur clothing, hair embroidery, quillwork, and natural history specimens.

Common pests

Clothes moths and dermestids.

Material

Collagen: Skin, hide, and parchment

Damage to representative objects

Garments, sinew cordage, bags, drumskins, glue joints, and book bindings.

Common pests

Many dermestids, commonly Anthrenus and Attagenus species, Thylodrias contractus, and ptinids (spider beetles).

Material

Mouldy and damp objects

Damage to representative objects

Grazing on micro-moulds found on archival paper, artworks.

Common pests

Psocids (book lice) and lathrids (plaster beetles).

CCI Technical Bulletin 29.

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