Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Norris, D. M., H.-M. Chu, and K. D. P. Rao. 1983. Changes in ovarian ultrastructure and ecdysteroid titer during the aging process of female Xyleborus ferrugineus (Coleoptera: Scolytidae) . Journal of Morphology 177:245-254.
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