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Many species of larger Aphids such as Potato Aphid, Greenhouse Potato Aphid, Pea Aphid, Green Peach Aphid, California Laurel Aphid, and more.
ABOUT APHIDIUS ERVI:
Aphidius ervi is a parasitic wasp that targets various aphid species. It is commonly used in vegetable and ornamental greenhouse production. The adult wasps are around 4-5 mm long and have a black coloration. Adult female Aphidius ervi lay their eggs by inserting them into aphids. They use their ovipositor to deposit the eggs inside the aphid's body. Once the eggs hatch, the larvae emerge within the aphid. The larvae feed on the internal tissues and fluids of the aphid, consuming it from the inside. After the larval stage, the fully developed larvae cut a small slit in the aphid's body and attach it to a surface. Inside this aphid "mummy," the larva transforms into a pupa. The adult wasp emerges from the pupal stage by cutting a hole in the mummified aphid. The emerging adult Aphidius ervi is ready to continue its life cycle. Each female is capable of laying over 100 eggs.
Release wasps as soon as possible between plants in the morning or evening in mild/cool temperatures and low light levels.
250 Aphidius ervi
Treats up to 1,250 sq. ft.
500 Aphidius ervi
Treats up to 2,500 sq. ft.
It's important to note that these release rates serve as general guidelines and may vary based on the specific pest species, the crop or plant being treated, and level of infestation. Proper monitoring of the infestation and the subsequent effectiveness of the released beneficial insect population is crucial for determining the success of the biological control strategy.
Like other parasitic wasps, it's lifespan can vary depending on various factors such as environmental conditions and availability of resources. Generally, the adult lifespan of Aphidius ervi ranges from a few weeks to a couple of months.
It's important to note that these time-frames are approximate and can be influenced by factors such as temperature, humidity, and the availability of prey. Monitoring the development and activity of beneficial insect populations, along with environmental conditions, can help determine the progress and effectiveness of their role in pest control efforts.