During summer the parasitoid Aphelinus mali may certainly reduce the infestation of woolly apple aphid (Eriosoma lanigerum), but studies on the single. Asante, S.K., and W. Danthanaryana. Development of Aphelinus mali, an endoparasitoid of woolly apple aphid, Eriosoma lanigerum. Bio-pesticide properties for Aphelinus mali, including approvals, environmental fate, eco-toxicity and human health issues.
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This page was last edited on 27 Aprilat Diapause commences in October, and is complete by late March.
The total life cycle takes 20 to 25 days. Formulation and application details. It is inconspicuous in the orchard, jumping rather than flying and preferring to hide under leaves. Peak activity of adult parasitoids corresponds with peaks in woolly apple aphid nymph production in the spring and fall.
Aphelinus abdominalis Aphelinus semiflavus. Apples and other top fruit.
Views Read Edit View history. DT90 lab at 20 o C. Small wasp native to north east United States but now widespread in Europe. Other Mammal toxicity endpoints.
Eriosomatidae and its parasitoid Aphelinus mali Haldeman Hymenoptera: Aqueous hydrolysis DT50 days at mwli o C and pH 7. Aquatic plants – Acute 7 day EC 50biomass mg l The thorax is black, and the outlines of legs and other appendages become visible as the pupa develops.
Research in Washington indicates that a large complex of generalist predators, including lady beetles, syrphid fly larvae, green lacewings, and Deraeocoris brevisis at least as important as A. The body color is bright yellow, with red eyes. Examples of recorded resistance.
Aphelinus mali – Wikipedia
The aphid host may continue to grow and develop and even produce a few young after being parasitized. In the early stages of development, there are no external signs of parasitism. Soft cover copies are available for purchase. Aphelinus mali pupa and intact mummy E. It has been introduced successfully in many apple growing areas of the world and was considered one of the apyelinus success stories of biological control.
Woolly apple aphid Eriosoma lanigerum Hausm. Aqueous photolysis DT50 days at pH 7. Retrieved from ” https: Aquatic crustaceans – Acute 96 hour Aphelinuss 50 mg l No adverse health effects identified. Listed in EU database. It was introduced in to the orchards of the Pacific Northwest in the region of Hood River and spread naturally. Octanol-water partition coefficient at pH 7, 20 o C. Hoyt, and Michael J.
The most visible signs of parasitism by A. Cultural practices that encourage these predators will enhance biological control of woolly apple aphid. The pupa is generally smaller than the larva. The larva takes ten to twelve days to develop before pupating inside the body of its host. This small wasp, native to the northeastern United States, parasitizes woolly apple aphid by laying its eggs directly into the body of aphelinnus aphid.
Solubility – In water at 20 o C mg l Relevant Environmental Water Quality Standards. While it has been reported to parasitize other aphid species, its primary economic value is as a woolly apple aphid parasitoid. Aphelinus mali Haldeman Dissociation constant pKa at 25 o C. Aphelinus mali is a parasitoid wasp that exploits the woolly apple aphid Eriosoma lanigeruma pest of apple trees.
Degradation point o C. Eulophidae — Elizabeth H. Surface tension mN m The female inserts her egg into the lower surface of the abdomen, sometimes malk on the body fluids that exude from nali puncture. The larva, which develops inside the aphid’s body, is elongated or shield shaped. Its transparent membranous wings are longer than its abdomen and fold flat along its back.
BCF l kg Earthworms – Acute 14 day LC 50 mg kg The adult may feed on any fluid aphslinus oozes from the puncture wound. DT50 lab at 20 o C.