Diptera : fam. Protorhyphidae, Anisopodidae, Pachyneuridae, Trichoceridae / by F.W. Edwards with descriptions of early stages by D. Keilin

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