Neporex pack shot


Neporex® disrupts the fly life cycle, stopping larvae from developing and preventing the proliferation of the fly population.¹﹐²

Key Product Benefits:

  • Easy-to-apply design
  • Prevents fly larvae development 
  • Versatile applications  


  • 250 g


  • Consult the product label for full application instructions across species and conditions.  
  • For Spraying: Apply 20 g of Neporex dissolved in 2 L of water per area 20 m2
  • For Watering: Apply 20 g of Neporex dissolved in 20 L of water per area 20 m2
  • Coverage: Apply 1 g of Neporex dissolved in 5 L of water

Why Choose Neporex®? 

Neporex® is a highly selective, easy-to-apply insect growth regulator for fly larvae with no negative impact on predatory insects when used according to the label.3  

Flexible dose range
Neporex® is available in two easy-to-use formulations.

Neporex® is part of Elanco’s integrated approach to disrupt multiple stages of the fly life cycle, resulting in excellent fly control.  

Farmer with pig

Directions for Use

Find out how to administer Neporex® correctly and safely. 

1 El-Oshar, M., Motoyama, N. et al. (1985). Studies on Cyromazine in the House Fly, Musca domestica (Diptera: Muscidae). J. Econ. Entomol., 78, 1203-1207.  

2 Awad, T., Mulla, M. (1984). Morphogenetic and Histopathological Effects Induced by the Insect Growth Regulator Cyromazine in Musca domestica (diptera: muscidae). J. Med. Entomol., 21(4), 419-426.  

3 Axtell, R., Edwards, D. (1983). Efficacy and Nontarget Effects of Larvadex as a Feed   
Additive for Controlling House Flies in Caged-Layer Poultry Manure. Poultry Science,   
62, 2371-2377.   

© 2022 Elanco or its affiliates. PM-GLB-MAR-21-0674