Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Leach, J. G., A. C. Hodson, J. P. S. Chilton, and C. M. Christensen. 1940. Observations on two ambrosia beetles (Trypodendron betulae Sw and T retusum) and their associated fungi . Phytopathology 30:227-236.
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