Langstrom, B. 1980b. Studies on the life cycles of the pine shoot beetles with particular reference to their maturation feeding in the shoots of Scots pine. Unpublished thesis, Sveriges Lantbruksuniversitet, Garpenberg, Sweden. 123 p.
Langstrom 1980
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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