Links to websites and related articles. 

• Insects Don't Develop Resistance
• Pyrethrum-from ancient discovery to advanced agriculture
• Natural Defences:  The Power of Pyrethrum
  
  
• Mosquito Bites, Why Files
• AMCA, American Mosquito Control Association
• Rutgers Mosquito Biology
• What Mosquitoes Want - Secrets Of Host Attraction
  

• Pyrethrum Government and Safety Data
  
• AMCA, Pyrethrum:  The Natural Insecticide
• ATSDR, Toxicological Profile for Pyrethrins and Pyrethroids
• NPTN, Pyrethrins & Pyrethroids Fact Sheet
• EPA, Synthetic Pyrethroids for Mosquito Control