APHIS CITRICOLA PDF

Top of page Aphis spiraecola was first described by Patch in Meanwhile, Aphis citricola was described by van der Groot in , from aphids collected in Chile. Therefore, A. Eastop and Blackman re-examined the original material from which A. They suggested that the widespread pest aphid on citrus and other trees and shrubs should therefore revert to the name used for it formerly: A. This is now the accepted name.

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Kagasida Aphids as crop pests [ed. In Japan, aphids overwintering on citrus and Spiraea aaphis two distinct biotypes of A. Boletin de Sanidad Vegetal, Plagas, 21 4: Agricultura Tecnica Santiago, 54 1: Arab Journal of Plant Protection, 20 2: Aphids can also be carried on fruits and ornamental plants to new areas, where they may establish on host crops. Acta Oecologica, 12 4: It has numerous secondary host citrivola, in well over 20 families, particularly in the Caprifoliaceae, Compositae, Rosaceae, Rubiaceae and Rutaceae.

Title Cauda and siphunculi Caption Aphis spiraecola Spirea aphid ; apterous vivipara, cauda and siphunculi. Direct feeding is particularly damaging to young trees in spring, when aphids infest the new buds and shoots causing leaf curl and shoot distortion. It was also collected from clementine trees during May. Both these species occur on Rosaceae and can be present as pests in the same apple orchards, in all regions where apples are grown commercially.

Aphididae Homoptera from the forest edge: Six-year evaluation of brown citrus and spirea aphid populations in a citrus grove and the effects of insecticides on these populations. Some ecological studies on papaya ringspot virus in Ranchi. An account of syrphid Diptera: Dartigues described how the ant species Tapinoma simrothi had a positive influence on the growth and survival of A.

This may be true for a number of generalist parasites observed ovipositing in this aphid, because of its relatively small size. Aphids feed on young buds, shoots and leaves of host plants Blackman and Eastop, The earlier the attack on crop hosts, the more shoots are stunted.

Title Adult Caption Aphis spiraecola Spirea aphid ; adult, female vivipara, alate. Biology of Aphelinus spiraecolae Hymenoptera: Comparison of green and yellow water traps for sampling citrus aphids at the Kenya coast. Wphis K, Berger H, ed. Spirea Aphid Aphis citricola -Hort Answers — University of Illinois Extension The first record of the spirea aphid, Aphis spiraecola Patch Homoptera: Symptoms Top of page Leaves rolled tightly, sometimes almost spirally, inwards from the tip, in response to aphid feeding.

Eggs or colonies can be spread in trade on planting material or fruits especially citrus and apple. Crop Protection, 12 2: Comparative toxicity of selected insecticides to Aphis citricola, Myzus malisuctus Homoptera: IBC in outdoor or protected open cultivation. Mass rearing of predatory insects in the field for control of injurious mites in apple orchards.

The confusion with A. Related Articles.

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Goltik These can be carried considerable distances in weather systems before colonizing new host plants. This confusion does not occur on citrus. A range of predators have been noted for A. Therefore, it may not provide the control within citricolaa pest management programmes that it was first hoped it would. Manejo Integrado de Plagas, No. Informatore Agrario, 46 Eastop and Blackman re-examined the original material from which A.

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Revista Facultad Nacional de Agronomía Medellín

Discovery[ edit ] This species was first discovered by Edith Marion Patch in Later she suggested using the names A. Another species, A. This aphid became a synonym for another citrus aphid- Toxoptera citricida but in , Hille Ris Lambers showed it was in fact not this species but A. They have a dark-brown head and thorax, and a yellowish-green abdomen with dusky lateral patches on each segment with a membranous and pale dorsum. Except the Lavandula sp. Primary winter hosts are Spiraea spp.

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