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The Koppert Delphibug Predatory Beetles (432) contains 1,000 adult Delphastus catalinae or predator beetles in buckwheat hulls. They contest all phases (eggs and larvae) of greenhouse whiteflies (Trialeurodes vaporariorum) and cotton whiteflies (Bemisia tabaci). They eliminate large number of target species by actively biting and sucking them until dried. Once an egg, larvae or pupa has been sucked, only the outer casing will stay. The conventional yellow excrement is a good indication of feeding activity.
For application, rotate or shake the bottle gently before use. Introduce in a DIBOX or on the leaf (gerbera). Administer in a cluster and discharge in the morning or in the evening.
THIS ITEM CANNOT BE CANCELLED OR REFUNDED ONCE ORDERED
|Active Ingredient:||Predatory beetle (Delphastus catalinae)|
|Target pests:||Eggs and larvae of greenhouse whiteflies (Trialeurodes vaporariorum) and cotton whiteflies (Bemisia tabaci).|
|For use in:||Crops|
|Application:||Apply in a cluster.|
|Color:||Adult: black, females have a brown head
Larvae: greyish white
|Special Features:||Adults and larvae predatory beetles can eat large numbers of whitefly eggs and larvae.|
|Shipping Weight:||1.00 lbs|
|Manufactured By:||Koppert Biological Systems (Mfg. Number: 432)|
Delphastus catalinae (predatory beetle)
Adult: 1.5 mm long, black, females have a brown head
Larvae are greyish white
Minimum temperature 68F (20C), optimum temperature 72-86F (22-30C).
Storage and treatment
Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt. Storing them for a period can have a negative impact on their quality and is only possible under the conditions described below. Koppert B.V. is not liable for any loss of quality if the product is stored for longer than recommended and/or under incorrect conditions.
- Useable life: 1-2 days in the dark (keep the bottle horizontal).
- Storage temperature: 54-57F (12-14C).
- The predatory beetles need sufficient food (whitefly eggs) in order to reproduce.
- The beetles can play dead by pulling in their legs and head.
- Activity can be confirmed by the presence of yellow excrement on the underside of the leaf.