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Contains Encarsia formosa and Eretmocerus eremicus as parasitized whitefly pupae Unit: 2500 Encarsia loose pupae and 2500 Eretmocerus loose pupae in a 30ml tube. Target Pest Glasshouse whitefly (Trialeurodes vaporariorum) and tobacco whitefly (Bemisia tabaci). Instructions Distribution of ENERSURE (fe) is via Pot and Hanger system with dispenser. » | Clip hanger to pot and insert filter paper. | » | Distribute pots evenly through glasshouse in accessible shady sites, avoiding dripping gutters. | » | During winter months, hang closer to heating pipes to increase Encarsia activity. |
Dispensing ENERSURE (fe) » | Remove cap from tube when in glasshouse and turn horizontal so pupae fall to side of tube. | » | Screw dispenser cap into position ensuring dispenser just touches base of tube. | » | Turn tube vertically and gently shake tube to position pupae ready for delivery. | » | Dispense pupae into release site by tipping tube with cut face uppermost for delivery of approximately 100 pupae. | » | Keep dispenser tubes in the glasshouse to avoid temperature fluctuations and condensation. |
Introduction Rates For best results introduce preventatively on a weekly basis. Minimum rate 0.5 per m2 per week.
Conditions 18°C average temperature each 24 hour period. Storage » Do not expose to direct sunlight. » Preferably use on day of receipt or within 2 days if stored in darkness at 6 -10°C. Technical Information Adult females parasitize larval stages of the whitefly and development occurs inside the host. After 2-3 weeks pupae of glasshouse whitefly turn black and tobacco whitefly brown if parasitized by Encarsia and yellow if parasitized by Eretmocerus. Adult wasps emerge from the pupae via a small exit hole. Female Encarsia have a black head and yellow abdomen and female Eretmocerus are lemon-yellow. Some host feeding occurs.
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