ANAGYRUS PSEUDOCOCCI PDF

Anagyrus pseudococci mealybug parasites are solitary parasitoid wasps and are shipped as mummies. Commonly part of biocontrol programs for vineyard and farm owners, A. What to Expect: The wasps hatch within five days of arrival and immediately begin to oviposit lay eggs. Each adult lays one egg per host and lays up to 50 eggs in a lifetime.

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PS: You'll only have to do this once allowing cookies to remember your preferences. Forgot your password? First time here? Register now. Log in Register now. The parasitic wasp Anagyrus pseudocococci against several mealybug species A common biological control agent of Planococcus species such as the citrus mealybug P. Females find the host with their antennae They inject an egg into the host Parasitized mealybugs immediately stop eating and become yellowish-brown mummies New adults emerge through a hole at the back of the mummy One female wasp parasitizes up to 15 hosts a day In which crops can you introduce Anagyrus-System?

Vegetable crops such as sweet pepper Ornamentals such as cut flowers and potted plants Fruits crops such as citrus orchards and table grapes. Anagyrus-System - Packaging: ml tube Contents: larvae Carrier: sawdust.

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Anagyrus pseudococci

Oviposition and host discrimination behaviour of unmated Anagyrus pseudococci Girault , an endoparasitoid of the citrus mealybug Planococcus citri Risso , were investigated in the laboratory. Female parasitoids were able to discriminate between parasitized hosts and healthy ones. The mean number of ovipositions was significantly higher in unparasitized than in parasitized hosts. Conspecific-superparasitism occurred more often than self-superparasitism. Changes in consecutive ovipositions over three hours by A. The parasitized hosts were rejected more commonly through antennal perception of external markers than during ovipositor probing which could have encountered internal markers but this relationship changed with increasing time after oviposition. The parasitoid's oviposition rate in unparasitized and conspecific-parasitized hosts varied at the different oviposition time intervals when the females had fewer eggs in the ovaries.

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Anagyrus pseudococci is an Encyrtidae Hymenoptera that lives as parasitoid of mealybugs. The adult female, approximately 2 mm, has a characteristic coloring of rust brown with a peculiar grayish strips on the back and characteristic white antennas whose scape is large and disc shaped and almost completely black as well as the first two articles of the flagellum. The male is smaller and black with regular antennae full of bristles. The legs are clear in both sexes. Anagyrus pseudococci is a typical species of the Mediterranean basin where it is active from spring until autumn and makes several generations with cycles of about weeks. It is used in biological control programs for grapes and citrus fruits as well as on ornamental plants also in greenhouses against Planococcus vitis and Planococcus citri. The females lay eggs inside second and third stage mealybug but also into immature or gravid adult females.

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Anagyrus pseudococci is a well known encyrtid parasitoid capable of developing on a variety of mealybug species Planococcus spp. This wasp is used for biological control programs and is the most common commercial parasitoid reared for mealybug control Triapitsyn et al. It was first introduced into California from Brazil in for biological control of the citrus mealybug Planococcus citri Risso Noyes and Hayat , Triapitsyn et al. It is now widely established in California and used for biological control against the invasive vine mealybug Planococcus ficus Signoret Daane et al. Its documented distribution appears to correlate with wine-growing areas. Use as a biocontrol agent in greenhouses is more recent, with successes noted in greenhouses in Texas and Europe Noyes and Hayat

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Use Citripar for biological control of citrus mealybugs Planococcus citri and vine mealybugs Planococcus ficus. For more severe infestations, also use Cryptobug. Adult female parasitic wasps parasitize the mealybugs, particularly the second and third larval and adult stage of female citrus mealybugs and vine mealybugs. Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt.

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