The various ways insects are brought from the field (environment) for further study.
Links: http://www.msstat...ethods.htm from Mississippi Entomological Museum (MEM).
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?
http://www.ars.us...141&page=1