A phylogenetic analysis of \emph{Heterorhabditis} ({Nematoda:Rhabditidae}) based on {Internal} {Transcribed} {Spacer} 1 {DNA} sequence data

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith