Any invasive species:  http://nas.er.usgs.gov/reportpam.htm

Fish and Aquatics:   Steve Schianost, River and Streams Program Manager
   Nebraska Game and Parks Commission
   2200 North 33rd Street
   P.O. Box 30370
   Lincoln, NE  68503-0370

   Phone:  402) 471-5443
   Fax:      402) 471-5528
   Email:  schainost@ngpc.state.ne.us
 

Insects:    Stephen V. Johnson, State Entomologist
   Bureau of Plant Industry
   301 Centennial Mall South
   P.O. Box 94756
   Lincoln, NE  68509-4756

   Phone:  402) 471-2394
   Fax:      402) 471-6892
   Email:  stephenj@agr.state.ne.us