Distribution

Worldwide, with greatest species richness in Africa. Species usually rare.

Biology

Reference

Goulet, H. 1993. Superfamilies Cephoidea, Megalodontoidea, Orussoidea, Siricoidea, Tenthredinoidea and Xyeloidea (pp. 101-129). In GOULET, H. & HUBER, J. (eds). Hymenoptera of the World: an identification guide to families. Research Branch, Agriculture Canada, Ottawa, Canada, 668 pp.

Credits

Photographs © Simon van Noort (Iziko Museums of Cape Town)