- Ehnstrom, B. 1983. Faunistika anteckninger om tradskalbaggar [Faunistic notes on tree living beetles Coleoptera]. Entomologisk Tidskrift 10475-79.
- Austara, O., E. Annila, B. Bejer, and B. Ehnstrom. 1983. Insect pests in the forests of the Nordic countries, 1977-1981 . Fauna Norvegica, Series B, 31:8-15.
- Ehnstrom, B. 1963a. Jakttagelser over granskalbaggar i Vasterdalarna . Entomologisk Tidskrift 84:69-72.
- Ehnstrom, B. 1963b. Zur Kalteempfindlichkeit der uppen von Blastophagus piniperda L (Col Ipidae). Entomologisk Tidskrift 84:257-259.
- Ehnstrom, B. 1975. Skydda skogen och virket! Angrepp i massavedsvaltor . Skogen 62:727.
- Ehnstrom, B., B. Bejer-Petersen, K. Tyniemi, and S. Tvermyr. 1974. Insect pests in forests of the Nordic countries 1967-1971 . Annales Entomologici Fennici 40:37-47.
- Langstrom, B., C. Hellqvist, and B. Ehnstrom. 1984. Fordelning och produktion av margborrar i tallvaltor [Distribution and production of Tomicus piniperda in pine wood stacks] . Sveriges Skogsvardsforbunds Tidskrift 82:23-35.
- Loyttyniemi, K., O. Austara, B. Bejer, and B. Ehnstrom. 1979. Insect pests in forests of the Nordic countries 1972-1976. Folia Forestalia, Institutum Forestale Fenniae 395. 13 p.
- Austara, O., E. Annila, B. Bejer-Petersen, and B. Ehnstrom. 1983. Insect pests in the forest of the Nordic countries 1977-1981 . Fauna Norvegica Series B 31:8-15.
- Ehnstrom, B. 1985. Insektsskador i svenska skogar sedan 1970 [Insect damage in Swedish forests since 1970] [English summary] . Sveriges Skogvardsforbunds Tidskrift 2:11-18.
- Ehnström, B., B. Langström, and C. Hellqvist. 1995. Insects in burned forests — Forest protection and faunal conservation (preliminary results). Entomologica Fennica 6:109—117.
- Långström, B., C. Hellqvist, and B. Ehnstrom. 1999. Susceptibility of fire-damaged Scots pine (Pinus sylvestris L.) trees to attack by Tomicus piniperda L. Pages 299-311 In Physiology and genetics of tree-phytophage interactions: International Symposium. Proceedings of International Symposium on Physiology and Genetics of Tree-Phytophage Interactions, Gulan, France, August 31 -September 4, 1997. Colloques de l'INRA 90.