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Contains
Encarsia formosa as parasitized whitefly pupae on card. Unit: 1000 pupae minimum per strip. Each strip separates to give 10 sections each of 100 pupae. Target Pest
Glasshouse whitefly (Trialeurodes vaporariorum) and tobacco whitefly (Bemisia tabaci). Instructions
» | On receipt open package in glasshouse. | » | Separate individual cards from the strip. Fold up and then down along the perforation to weaken the joint and then tear. | » | Hang the cards in the crop. Avoid positions in direct sunlight. | » | During winter months where possible position cards nearer to heating pipes to increase Encarsia activity. |
Introduction Rates
For best results introduce preventatively on a weekly basis. Minimum rate 0.5 per m2 per week. Conditions
18°C average temperature per 24 hour period. Storage
» Do not expose to direct sunlight or store in a warm place.
» Preferably use on day of receipt or within 2 days if stored in darkness at 6 -10°C. Technical Information
The adult parasitic wasp emerges from the pupae via a small exit hole. The female has a black head and yellow abdomen. Eggs are laid into the 3rd and 4th larval stage of the whitefly. Development occurs inside the host and after 2-3 weeks pupae of glasshouse whitefly turn black and tobacco whitefly brown. Some host feeding occurs.
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