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Dacnusa sibirica

Dacnusa sibirica is a parasitic wasp used in the controlling of leaf miners. Adult are dark coloured and 2 – 3 mm. long. This parasitic wasp has long antennae and wings, longer than its abdomen. The larval stages will develop inside the host. 

Life cycle and relative effectiveness 

A female adult lays her eggs in the larvae of the leaf miner. The eggs will subsequently develop into a parasitic wasp. This parasitic wasp, Dacnusa sibirica, prefers to lay her eggs in the first and second larval stages of the leaf miner. The best observation, in case of development of Dacnusa, is by letting the parasitic wasp hatch in a cylinder or bottle. After hatching the quantity of Dacnusa can be compared with the eventual quantity of leaf miners. 

Application and dose
 

Even at low temperatures, winter and early spring, Dacnusa sibirica will be active. Best practise will be by introducing Dacnusasibirica at low infestations. Determine before introducing how many parasitic wasps must be expelled. The materials must be introduced in the early morning of evening. 

Storage and handling 

Dacnusa sibirica supplied in bottles (100 ml.) containing 250 adult. A mixture of 75% Dacnusa sibirica and 25% Diglyphus can be supplied. Keep the bottles horizontally, in darkness, at a temperature between 8°C – 10°C. Maximum storage time of two days 

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