The scales and broken limbs are also found in larger quantities along with the eggs. The boxes should be sterilized by spraying 1% formaldehyde or sodium hypochlorite solution and sun dried for 6 hours. Tricho cards have a shelf life of 2-3 days. In most cases, you will not notice them as they search out and destroy moth eggs.
Older eggs, especially those in which the head capsule of the larva is visible, are not usually parasitized and if they are, parasite survival is much lower. The parasitoid could also be reared on potato tuber moth (PTM). Looks like you’ve clipped this slide to already.
The larvae that hatch out in 3-4 days begin to feed the fortified Sorghum medium. In rice ecosystem, spiders are the dominant predators controlling several insect pests mainly brown plant hoppter, green leaf hoppers etc. For a predator to effectively and economically control an insect pest, the predator must be capable of not only reducing pest densities to levels below an economic threshold, but also to stabilize those pest densities over time.
Care should be taken to remove host/parasitoid cocoons from boxes. The plastic container has windows with plastic mesh for aeration.
The host rearing containers (basins) are made of materials which are non-toxic, cheap and optimum sized to permit mating and host searching and amenable to easy cleaning. ❤❤❤ https://bit.ly/3kTNHDZ, @No tll bca and biofertilizers 2012 09 04 a, Biological Control of Forest Insect Pests, No public clipboards found for this slide. Many food co-ops across the country use our trichogramma wasps indoors to control Indian meal moths with great success. Standards for established cultures on Corcyra are 95.5% egg parasitization, 90.5% adult emergence and a sex ratio of 1 : 1.5 females male-1.
They parasitize a variety of important Lepidopteran pests of stored product and field crops (Dabhi et al. Then grains are air dried. In case of infestation the racks, cages, boxes etc.
2011). Learn more. From each host larvae 2 or more parasitoid larvae develop and pupate.
Collect the moths daily and transfer to the specially designed oviposition cages. Larvae then transform to the inactive pupal stage. C. blackburnii has been used for the biological suppression of P. operculella, Earias vitella, Pectinophora gossypiella and Helicoverpa armigera on cotton and other host plants in many states. The internal pressure of the egg forces a small drop of yolk out of the oviposition hole.
Provide windows with fine iron mesh and wire mesh double door to avoid any entry of parasitoids.
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