Just published in Invertebrate Systematics is the journal's featured paper:
Lambkin C.L., Trueman J.W.H., Yeates D.K., Holston K.C., Webb D.W., Hauser M., Metz M.A., Hill H.N., Skevington J.H., Yang L., Irwin M.E., Wiegmann B.M. (2009) Supertrees and the Tree of Life: generating a metaphylogeny for a diverse invertebrate family (Insecta : Diptera : Therevidae) using constraint trees and the parsimony ratchet to overcome low taxon overlap. Invertebrate Systematics 23, 171–191.
See the abstract at http://www.publish.csiro.au/nid/120/paper/IS08035.htm and don't forget to also check out the beautiful cover of this issue, which sports J. Marie Metz's amazing illustration of a xestomyzine therevid, Henicomyia sp., from Guatemala.
Contact Christine.LambkinATqm.qld.gov.au for a copy of this landmark paper.