The biology and ecology of Dendroctonus valens Lex.; and the biology, ecology and control of Dendroctonus frontalis (=Mexicanus) Zim In Central Mexico - Rose Chaffin, William Edwin ((s.l.) : The Author, 1966)
Thesis (Doctor of Philosophy) -- University of Massachusetts. Graduate School.
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Keywords: Dendroctonus frontalis; Dendroctonus valens