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  Product Information Home » Greenhouse » Biological control » Whiteflies - Biological Control

Encarsia formosa
Encarsia formosa is one of the early commercilaized biological controls used in greenhouse IPM programs to control greenhouse whiteflies. The female wasps will actively search for whitefly larvae in the crop and will lay their eggs inside the larvae. Encarsia can develop in any larval stage of the whitefly, but prefers the third and early fourth instar. A new adult emerges through a round exit hole at the back of the pupa. During her life one female can parasitize around 250-450 whitefly larvae, and kills another 30-70 larvae by host-feeding.

Key Features 
  • Parasitic wasp
  • Endoparasitoid that controls whitefly infestations
  • Efficient at lower temperatures
  • Also kills whiteflies by host-feeding
  • At least 98% of individuals are females


  • Use immediately upon receipt
  • If not possible, product can be briefly stored at 43-46˚ F (6-8˚ C)
Item # Description Size
15112 BI Encarsia - 5,000 50/card
15113 BI Encarsia - 10,000 100/card
15115 BI Eretmix - 10,000 (Encarsia & Eretmocerus) 100/card
17082 Encarsia - 5,000 (No Carrier) 50/card
17085 Encarsia - 10,000 (No Carrier) 100/card
17330 Encarsia formosa - 100-10,000 Blanco
17331 Encarsia formosa - 100,000 Blanco
17334 Encarsia formosa - 200,000 Bulk
17335 Encarsia formosa - 50,000
17336 Encarsia system - 10,000
17361 Petri Plate - Encarsia formosa
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