New - Trichogramma is a tiny parasitic wasp, which is being used outdoors for the 1st time to control Box Tree Caterpillar. It is used commercially to control caterpillars underglass, but it is now being used OUTDOORS, so now we can use it too to control caterpillar in your box plants / bushes / hedges. Currently unavailable.
New - Trichogramma for Box Tree Caterpillar - Female Trichogramma search out moth eggs to lay their own eggs within, so that instead of a caterpillar emerging another Trichogramma emerges instead, so caterpillar numbers decrease as Trichogramma numbers increase. Trichogramma will NOT control caterpillars already present, so it is important to introduce this treatment before caterpillar numbers gets too high - ideally it should be introduced once moths are spotted, which will indicate that eggs are being laid. Trichogramma eggs are introduced into the box plants / hedges as eggs on small white cards, which are suspended within the plants at a rate of 1 card per 1 sqm i.e. if you have a 10m hedge which is 1m high then you will need 10 cards placed at 1m intervals within the hedge. It is important to suspend the cards within the plant / hedge, so the cards are not in direct sunlight. Trichogramma has a short lifecycle, so it is important to introduce them at fortnightly intervals to keep their numbers up. As standard we supply 4 introductions at fortnightly intervals, but you can choose how many introductions you want. Choose between 4, 6, and 8 introductions at 2 weekly (14 day intervals) i.e. 8 introductions at 14 day intervals will be sent in 8 separate deliveries over a 16 week period.
Trichogramma is supplied in strips of 5 cards which will treat up to 5 sqm of Box plants / hedges, so increase the quantity to cover larger areas :-
- Quantity of 1 = 5 cards, which treats up to 5 sqm.
- Quantity of 2 = 10 cards, which treats up to 10 sqm.
- Quantity of 5 = 50 cards, which treats up to 50 sqm.
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