Encarsia formosa and Eretmocerus eremicus are tiny parasitic wasps that are mainly parasitic to whiteflies. They can be easily released in the field for the control of whiteflies indoors or outdoors. Eretmocerus eremicus act as both an external and internal parasite whereas Encarsia formosa act as the only internal parasite. Best known for their ability to control Tobacco whitefly (Bemesia tabaci) along with Greenhouse whitefly (Trialeurodes vapariorum).
Application Rate Recommendations for Encarsia formosa/Eretmocerus eremicus:
Preventative: 1-2 per square foot weekly
Moderate Infestation: 2-4 per square foot weekly
Heavy Infestation: 4-8 per square foot weekly
How-To Use Encarsia formosa/Eretmocerus eremicus For Best Results:
Release these wasps as soon as you see whiteflies in your garden or greenhouse.
You should also release them in the evening when temperatures are cooler.
The wasps should be released at the base of plants where whiteflies are present.
It is important to note that these wasps are sensitive to pesticides so avoid using them when releasing these wasps
Store for a maximum of 2 days at 42-50 °F (6-10 °C).
Features & Benefits:
Encarsia formosa and Eretmocerus eremicus are natural predators that do not harm plants or humans.
They are effective against whiteflies.
They can be used indoors or outdoors.
They are easy to release in the field.
Features & Benefits:
Parasitoid wasps that lay eggs inside whiteflies, underneath whitefly nymphs and, when larvae emerge, they feed on the whiteflies from the inside out