Smith, R. H., and F. Mergen. 1954b. Pityophthorus pulicarius (Zimm.) a bark beetle attacking scions of grafted slash pines. United States Department of Agriculture, Forest Service, Southeastern Forest Experiment Station, Research Note 64. 2 p.
Smith & Mergen 1954
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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