Digline I (Diglyphus isaea) Vial of 250 Adults
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Specifications
Weight
0.019 kg
Colour
BROWN
Technical Comments
Several species of leaf miners are found in the UK on a wide range of crops but all produce the characteristic 'mines' within the leaf, in which the larvae feed. Adult feeding produces small discrete white spots (1 mm diameter) on the leaves, usually on the upper leaf surface.
Activity / Control
Liriomyza (Tomato Leaf miner) and Phytomyza (Chrysanthemum Leaf miner). The wasp lays its eggs next to the leaf miner larvae, damage ceases immediately as the larvae are paralysed. The wasp parasite larvae then feed on the leaf miner larvae. Adult females kill and feed directly on small leaf miner host larvae that are too small to support a developing parasite larva.
Application Method
Ideal for use from mid-February in heated crops and April in unheated crops. Establishment will only occur if the wasp is released when sufficient numbers of reasonable sized larvae are present within the crop.
Application Rate
1 wasp per 1 m2 every week for 3 to 4 weeks.
Bio Pest
Leafminer
About
The adult parasitic wasp lays its eggs next to the leafminer larvae, damage ceasing immediately as the larvae are paralysed.
The wasp parasite larvae then feed on the leafminer larvae. Adult females kill and feed directly on small leafminer host larvae that are too small to support a developing parasite larva.