Dr. Smith et Nm. Schiff, THE GENERA MACROXYELA KIRBY AND MEGAXYELA ASHMEAD (HYMENOPTERA, XYELIDAE) IN NORTH-AMERICA, Proceedings of the Entomological Society of Washington, 100(4), 1998, pp. 636-657
Five species of Megaxyela, including Megaxyela alisonae, n. sp., and t
wo species of Macroxyela occur in North America. Macroxyela bicolor Ma
cGillivray is a new synonym of Macroxyela ferruginea (Say). The specie
s are keyed, described and illustrated, and biological information is
summarized. Hosts include hickory, pecan, and elm.