Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Komarek, J. 1950. The vertical geographical migration of some phytophagous insects (Ips typographus L, Lymantria monacha L, Lecanium soryli L, Semasia diniana Cn) . Casopis Ceskoslovenska Spolecnosti Entomologike 47:110-119.
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