Parasitoid Rearing
Parasitoid Rearing - Related Videos
12:00
An Optimized Protocol for Rearing Fopius arisanus, a Parasitoid of Tephritid Fruit Flies
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Cited by 17 •
2011
Fopius arisanus is an egg-larval parasitoid of Tephritid fruit flies that is successfully used in biological control of these important tropical pests. We describe here an optimized protocol for rearing F. arisanus on a small scale using readily available materials.
07:56
Methods for Rearing the Parasitoid Ganaspis brasiliensis, a Promising Biological Control Agent for the Invasive Drosophila suzukii
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Cited by 20 •
2022
Ganaspis brasiliensis-a larval parasitoid of Drosophila suzukii (a global invasive fruit crop pest)-has been approved or is considered for introduction into Europe and the United States for biological control of this pest. This article provides protocols for both small-scale and large-scale rearing of this parasitoid.
13:03
Protocol for Mosquito Rearing (A. gambiae)
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Cited by 64 •
2007
This video illustrates the general techniques used to rear Anopheles gambiae in the laboratory. The methods for caring for laboratory mosquitoes are demonstrated through all stages of the organism's life cycle from larvae to pupae to blood-feeding adults.
03:53
Extracting Venom from the Parasitoid Wasp Trichogramma dendrolimi Using an Artificial Host
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Cited by 1 •
2023
Here, we present a protocol for extracting venom from Trichogramma dendrolimi using an artificial host created with polyethylene film and amino acid solution.
09:34
Rearing the Fruit Fly Drosophila melanogaster Under Axenic and Gnotobiotic Conditions
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Cited by 128 •
2016
A method for rearing Drosophila melanogaster under axenic and gnotobiotic conditions is presented. Fly embryos are dechorionated in sodium hypochlorite, transferred aseptically to sterile diet, and reared in closed containers. Inoculating diet and embryos with bacteria leads to gnotobiotic associations, and bacterial presence is confirmed by plating whole-body Drosophila homogenates.
FAQs
Temperature, humidity, and light help regulate development and maintenance within the rearing system. When these conditions remain suitable, parasitoids can progress through immature stages and emerge as adults at the expected time. Controlling the environment therefore supports more consistent production and helps align adult availability with research or biological-control requirements.
Host quality directly affects the conditions available for parasitoid development and the success of female oviposition. Rearing systems must provide appropriate hosts rather than simply large numbers of hosts, because offspring develop on or inside them before emergence. Consistent host provision supports dependable offspring production and improves the usefulness of the colony for experiments or release programs.
Developmental timing connects host exposure, immature development, and adult emergence into a repeatable production cycle. If these stages are coordinated, newly emerged adults can be maintained and supplied with suitable hosts for further oviposition. This coordination helps preserve ongoing production and provides researchers with parasitoids at suitable stages for biological and ecological studies.
A basic system maintains suitable temperature, humidity, and light, then supplies parasitoid females with appropriate hosts for oviposition. The exposed hosts remain available while offspring develop through immature stages, after which adults emerge and can support the next production cycle. These linked steps provide the foundation for maintaining colonies and generating a reliable supply.
Controlled rearing makes it possible to study host-parasitoid biology, behavior, ecology, and population dynamics using organisms produced under maintained conditions. Researchers can examine development alongside interactions between parasitoids and their hosts, while consistent production supports repeated observations. The resulting colonies provide a practical foundation for investigating how these biological relationships function.
Parasitoid rearing is used when selected parasitoid species must be produced for mass release against agricultural pests. This application connects laboratory production with integrated pest management, where biological control can contribute to reducing reliance on chemical pesticides. The value of the approach depends on maintaining dependable production so suitable parasitoids are available for release.