Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Beeman, S. L., and D. M. Norris. 1977a. Embryogenesis of Xyleborus ferrugineus (Fabr) (Coleoptera, Scolytidae): I, external morphogenesis of male and female embryos . Journal of Morphology 152:177-219.
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