Green Lacewing Eggs
Green Lacewing (Chrysoperla carnea) is a great addition to any Integrated Pest Management (IPM) program. They are particularly aggressive towards aphids but also work exceptionally well as an all-purpose predator. Adults only feed on nectar, pollen, and aphid honeydew, while the larvae feed on aphids and other soft-bodied pests such as spider mites, whitefly, thrips, leafhopper, mealybugs, and eggs & small larvae of moths. The larvae feed for about three weeks, spin a cocoon, and appear as adults ten days later under optimal conditions. The type of stage you should order depends on how severe your infestation is.
The egg stage works well for establishing the green lacewing population at the start of the season. This stage should be used as a preventative measure when aphid infestation is very low. The eggs take 3-9 days to hatch once shipped, the hatching time is dependent on the environment in your grow room. Once hatched their colour will change from vibrant light green to opaque-white.
Pull each jute string apart and hang it over a branch inside the plant canopy. Make sure it is away from direct sunlight and any strong winds for optimal results.
- Spider mites
- Eggs of butterflies and moths
- Small larvae of butterflies and moths
- 25°C - 26°C (77–78°F) with a relative humidity of 50-70%. These are optimum conditions and not necessarily essential for successful implementation.
The best time to scout green lacewing larva is during the evening or when there is an overcast since they are usually well-hidden during the day. Other signs to look for are small green lacewing eggs on top of the leaf surface and dead, dry-looking aphids.
Tips and Tricks:
If ants are present, they should be controlled. Ants eat green lacewing eggs and protect aphids from predators in exchange for their honeydew secretions.
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