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EN
The author describes the occurrence, morphology, biology, ecological role and economic importance of the drugstore beetle (Stegobium paniceum L., Anobiidae, Coleoptera) and the white marked spider beetle (Ptinus fur L., Ptinidae, Coleoptera), which destroy old books and manuscripts. He also analyses the types of damage suffered by historical monuments and archival collections as well as conditions conducive for such devastation. The discussed issues are illustrated by enclosed photographs. The author proposes methods of prophylactic prevention of the damage and methods of combating the insects.
EN
The author described the occurrence, morphology, biology, ecological role and economic significance of silverfish (Lepisma saccharina L., Lepismatidae) and cockroaches (Blattodea): the German cockroach (Blattellagermanica L.), the Oriental cockroach (Blatta orientalis L.), the American cockroach (Periplaneta americana L.) and the Australian cockroach (Periplaneta australasiae Fabr.). In Poland silverfish occasionally, and cockroaches potentially destroy old books and manuscripts. An analysis of the types of damage incurred to books and archival collections is accompanied by an examination of conditions conducive for the losses. All the considered problems are illustrated by means of photographs. The author suggests methods of a prophylactic prevention of the damage and of combating the insects.
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