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Encarsia formosa

Encosia formosa parasitoid of whiteflies

Description


Encarsia formosa is a parasitic wasp that feeds on whiteflies. It parasitizes greenhouse whiteflies (Trialeurodes vaporariorum) and whiteflies of the genus Bemisia. Adults measure 0.6 mm. This miniscule wasp lays its eggs in immature whiteflies (third and fourth larval stages), with females laying 50 to 350 eggs in their lifetime.


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Targeted crops



  • Market garden crops (tomato, cucumber, pepper, eggplant, etc.)
  • Ornemental plants (poinsettia, gerbera, etc.)
  • Indoor plants

Targeted pests



  • Greenhouse whitefly (Trialeurodes vaporariorum)

Life cycle


  • Encarsia formosa has a life cycle of approximately 28 days at 21 °C.
  • The optimum conditions are a temperature above 20 ° C and a relative humidity of 50-70%.
  • The females lay eggs in 2-week-old whiteflies (third and fourth larval stages).
  • Females lay an average of 10 eggs per day for a total of 200-350 eggs in their lifetime.
  • At the adult stage, Encarsia formosa can live from a few days to a month, depending on the temperature.
  • Parasitized whitefly pupae blacken after 10-14 days. The new adult emerges after 2 weeks.

Format



Card

  • 1 000 pupae on cards (100 pupae per card for a total of 10 cards)

In bulk

  • 1 000 pupae (minimum order 5000)

Introduction rate



Encarsia formosa
Introduction Quantity Surface Frequency Duration
Preventive 1 per m2 weekly or bi-weekly 5 introductions in total
Curative light 5 per m2 weekly when over 80% of the
whiteflies have been parasitized
Hot spot 10 per m2 weekly when over 80% of the
whiteflies have been parasitized
Maintenance 1 per m2 weekly as needed

Additional information



  1.   - Encarsia Technical Manual - Applied Bio-nomics Ltd.
  2.   - Encarsia formosa - Applied Bio-nomics Ltd.

Targeted pest


Targeted production




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